diff --git a/tests/end-to-end/cli/fail-on/fail-on-deprecation.phpt b/tests/end-to-end/cli/fail-on/fail-on-deprecation.phpt
index 662bf15df36..a8db9f4285e 100644
--- a/tests/end-to-end/cli/fail-on/fail-on-deprecation.phpt
+++ b/tests/end-to-end/cli/fail-on/fail-on-deprecation.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Test Runner exits with shell exit code indicating failure when all tests are successful but at least one test triggered a deprecation
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/fail-on/fail-on-incomplete.phpt b/tests/end-to-end/cli/fail-on/fail-on-incomplete.phpt
index a0656539375..2b097d8143c 100644
--- a/tests/end-to-end/cli/fail-on/fail-on-incomplete.phpt
+++ b/tests/end-to-end/cli/fail-on/fail-on-incomplete.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Test Runner exits with shell exit code indicating failure when all tests are successful but at least one test was marked incomplete
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/fail-on/fail-on-notice.phpt b/tests/end-to-end/cli/fail-on/fail-on-notice.phpt
index ceadf6b4a9a..9c33f36ee60 100644
--- a/tests/end-to-end/cli/fail-on/fail-on-notice.phpt
+++ b/tests/end-to-end/cli/fail-on/fail-on-notice.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Test Runner exits with shell exit code indicating failure when all tests are successful but at least one test triggered a notice
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/fail-on/fail-on-risky.phpt b/tests/end-to-end/cli/fail-on/fail-on-risky.phpt
index 9f4bca906f4..b3751755936 100644
--- a/tests/end-to-end/cli/fail-on/fail-on-risky.phpt
+++ b/tests/end-to-end/cli/fail-on/fail-on-risky.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Test Runner exits with shell exit code indicating failure when all tests are successful but at least one test was considered risky
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/fail-on/fail-on-skipped.phpt b/tests/end-to-end/cli/fail-on/fail-on-skipped.phpt
index 093ee6c4922..fb5aa9ac6f8 100644
--- a/tests/end-to-end/cli/fail-on/fail-on-skipped.phpt
+++ b/tests/end-to-end/cli/fail-on/fail-on-skipped.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Test Runner exits with shell exit code indicating failure when all tests are successful but at least one test was skipped
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/fail-on/fail-on-warning.phpt b/tests/end-to-end/cli/fail-on/fail-on-warning.phpt
index 3fa279b7289..75cf1cb3af8 100644
--- a/tests/end-to-end/cli/fail-on/fail-on-warning.phpt
+++ b/tests/end-to-end/cli/fail-on/fail-on-warning.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Test Runner exits with shell exit code indicating failure when all tests are successful but at least one warning was triggered
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/filter/filter-class-match-argument.phpt b/tests/end-to-end/cli/filter/filter-class-match-argument.phpt
index 4ca435d14b1..06c33d4e494 100644
--- a/tests/end-to-end/cli/filter/filter-class-match-argument.phpt
+++ b/tests/end-to-end/cli/filter/filter-class-match-argument.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --filter FooTest tests/FooTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/filter/filter-class-match-configuration.phpt b/tests/end-to-end/cli/filter/filter-class-match-configuration.phpt
index 7eb643a4533..4c32aaf8b3a 100644
--- a/tests/end-to-end/cli/filter/filter-class-match-configuration.phpt
+++ b/tests/end-to-end/cli/filter/filter-class-match-configuration.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --filter FooTest
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/filter/filter-class-nomatch-argument.phpt b/tests/end-to-end/cli/filter/filter-class-nomatch-argument.phpt
index 9acb98208de..c3993e0a0d2 100644
--- a/tests/end-to-end/cli/filter/filter-class-nomatch-argument.phpt
+++ b/tests/end-to-end/cli/filter/filter-class-nomatch-argument.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --filter BarTest tests/FooTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/filter/filter-class-nomatch-configuration.phpt b/tests/end-to-end/cli/filter/filter-class-nomatch-configuration.phpt
index dfe4fc19c25..e16d8204c86 100644
--- a/tests/end-to-end/cli/filter/filter-class-nomatch-configuration.phpt
+++ b/tests/end-to-end/cli/filter/filter-class-nomatch-configuration.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --filter BarTest
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/filter/filter-method-match-argument.phpt b/tests/end-to-end/cli/filter/filter-method-match-argument.phpt
index 21d8e5f9671..984410e891a 100644
--- a/tests/end-to-end/cli/filter/filter-method-match-argument.phpt
+++ b/tests/end-to-end/cli/filter/filter-method-match-argument.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --filter testOne tests/FooTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/filter/filter-method-match-configuration.phpt b/tests/end-to-end/cli/filter/filter-method-match-configuration.phpt
index 792ec1f4009..205781fd763 100644
--- a/tests/end-to-end/cli/filter/filter-method-match-configuration.phpt
+++ b/tests/end-to-end/cli/filter/filter-method-match-configuration.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --filter testOne
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/filter/filter-method-nomatch-argument.phpt b/tests/end-to-end/cli/filter/filter-method-nomatch-argument.phpt
index c8b21dc5111..54c91fffb6d 100644
--- a/tests/end-to-end/cli/filter/filter-method-nomatch-argument.phpt
+++ b/tests/end-to-end/cli/filter/filter-method-nomatch-argument.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --filter testFoo tests/FooTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/filter/filter-method-nomatch-configuration.phpt b/tests/end-to-end/cli/filter/filter-method-nomatch-configuration.phpt
index aecbd9b4165..30026c22b01 100644
--- a/tests/end-to-end/cli/filter/filter-method-nomatch-configuration.phpt
+++ b/tests/end-to-end/cli/filter/filter-method-nomatch-configuration.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --filter testFoo
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/group/exclude-group-argument.phpt b/tests/end-to-end/cli/group/exclude-group-argument.phpt
index 35340b4830e..bc5d62708be 100644
--- a/tests/end-to-end/cli/group/exclude-group-argument.phpt
+++ b/tests/end-to-end/cli/group/exclude-group-argument.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --exclude-group one,two tests/FooTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/group/exclude-group-configuration.phpt b/tests/end-to-end/cli/group/exclude-group-configuration.phpt
index 559801e0c5a..4dfbeafc993 100644
--- a/tests/end-to-end/cli/group/exclude-group-configuration.phpt
+++ b/tests/end-to-end/cli/group/exclude-group-configuration.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --exclude-group one,two
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/group/group-argument.phpt b/tests/end-to-end/cli/group/group-argument.phpt
index 90a1be21b31..31d1eb834a6 100644
--- a/tests/end-to-end/cli/group/group-argument.phpt
+++ b/tests/end-to-end/cli/group/group-argument.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --group one tests/FooTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/group/group-configuration.phpt b/tests/end-to-end/cli/group/group-configuration.phpt
index 4a14c907fe5..f40eea849b5 100644
--- a/tests/end-to-end/cli/group/group-configuration.phpt
+++ b/tests/end-to-end/cli/group/group-configuration.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --group one
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/log-events-text.phpt b/tests/end-to-end/cli/log-events-text.phpt
index 8b888e5a366..3b004466970 100644
--- a/tests/end-to-end/cli/log-events-text.phpt
+++ b/tests/end-to-end/cli/log-events-text.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --no-output --log-events-text logfile.txt
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/log-events-verbose-text.phpt b/tests/end-to-end/cli/log-events-verbose-text.phpt
index 427627ee888..a04161bbd6b 100644
--- a/tests/end-to-end/cli/log-events-verbose-text.phpt
+++ b/tests/end-to-end/cli/log-events-verbose-text.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --no-output --log-events-verbose-text logfile.txt
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/no-log-no-cc.phpt b/tests/end-to-end/cli/no-log-no-cc.phpt
index bf2922555fa..adfacb3e392 100644
--- a/tests/end-to-end/cli/no-log-no-cc.phpt
+++ b/tests/end-to-end/cli/no-log-no-cc.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit -c _files/phpunit.xml --no-logging --log-junit php://stdout _files/NoLogNoCcTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $logfile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-defect-for-error.phpt b/tests/end-to-end/cli/stop-on/stop-on-defect-for-error.phpt
index 90a7aebd117..51cef31248f 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-defect-for-error.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-defect-for-error.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first error works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-defect-for-failure.phpt b/tests/end-to-end/cli/stop-on/stop-on-defect-for-failure.phpt
index a01ed26b7d4..fad33940980 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-defect-for-failure.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-defect-for-failure.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first failure works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-defect-for-risky.phpt b/tests/end-to-end/cli/stop-on/stop-on-defect-for-risky.phpt
index 01409a03268..201d90eeb30 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-defect-for-risky.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-defect-for-risky.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first risky test works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-defect-for-warning.phpt b/tests/end-to-end/cli/stop-on/stop-on-defect-for-warning.phpt
index f335790e562..8365ec629b7 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-defect-for-warning.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-defect-for-warning.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first warning works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-deprecation.phpt b/tests/end-to-end/cli/stop-on/stop-on-deprecation.phpt
index 7dd51324a58..a928cc9c648 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-deprecation.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-deprecation.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first deprecation works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-error.phpt b/tests/end-to-end/cli/stop-on/stop-on-error.phpt
index 4882ad277db..658f7385f0b 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-error.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-error.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first error works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-failure.phpt b/tests/end-to-end/cli/stop-on/stop-on-failure.phpt
index ccc4773ac51..83d3c9b8966 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-failure.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-failure.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first failure works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-incomplete.phpt b/tests/end-to-end/cli/stop-on/stop-on-incomplete.phpt
index 8b938b46ec3..1a0182cf390 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-incomplete.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-incomplete.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first incomplete test works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-notice.phpt b/tests/end-to-end/cli/stop-on/stop-on-notice.phpt
index a3fdcdb6e68..d89f44454a4 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-notice.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-notice.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first notice works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-risky.phpt b/tests/end-to-end/cli/stop-on/stop-on-risky.phpt
index 4abc09ff253..2e4571ec34a 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-risky.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-risky.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first risky test works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-skipped.phpt b/tests/end-to-end/cli/stop-on/stop-on-skipped.phpt
index 95b05484369..76d00edfe5e 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-skipped.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-skipped.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first skipped test works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/cli/stop-on/stop-on-warning.phpt b/tests/end-to-end/cli/stop-on/stop-on-warning.phpt
index bef2d56fefb..ec0d6a6efdd 100644
--- a/tests/end-to-end/cli/stop-on/stop-on-warning.phpt
+++ b/tests/end-to-end/cli/stop-on/stop-on-warning.phpt
@@ -1,10 +1,5 @@
 --TEST--
 Stopping test execution after first warning works
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/assert-failure.phpt b/tests/end-to-end/event/assert-failure.phpt
index 485c19d3ac3..25c7be9de7a 100644
--- a/tests/end-to-end/event/assert-failure.phpt
+++ b/tests/end-to-end/event/assert-failure.phpt
@@ -9,10 +9,6 @@ if (ini_get('zend.assertions') != 1) {
 if (ini_get('assert.exception') != 1) {
     print 'skip: assert.exception=1 is required' . PHP_EOL;
 }
-
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/assertion-failure-in-after-test-method.phpt b/tests/end-to-end/event/assertion-failure-in-after-test-method.phpt
index d16ad5eab6d..407f33ba6a3 100644
--- a/tests/end-to-end/event/assertion-failure-in-after-test-method.phpt
+++ b/tests/end-to-end/event/assertion-failure-in-after-test-method.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that fails because of an assertion failure in a "after test" method
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/assertion-failure-in-before-test-method.phpt b/tests/end-to-end/event/assertion-failure-in-before-test-method.phpt
index 2494feef219..5388693fb23 100644
--- a/tests/end-to-end/event/assertion-failure-in-before-test-method.phpt
+++ b/tests/end-to-end/event/assertion-failure-in-before-test-method.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that fails because of an assertion failure in a "before test" method
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/assertion-failure-in-postcondition-method.phpt b/tests/end-to-end/event/assertion-failure-in-postcondition-method.phpt
index 1867510110d..c9c9c1dcf8c 100644
--- a/tests/end-to-end/event/assertion-failure-in-postcondition-method.phpt
+++ b/tests/end-to-end/event/assertion-failure-in-postcondition-method.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that fails because of an assertion failure in a postcondition method
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/assertion-failure-in-precondition-method.phpt b/tests/end-to-end/event/assertion-failure-in-precondition-method.phpt
index 0ba39ce0a9f..df891c40de0 100644
--- a/tests/end-to-end/event/assertion-failure-in-precondition-method.phpt
+++ b/tests/end-to-end/event/assertion-failure-in-precondition-method.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that fails because of an assertion failure in a precondition method
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/assertion-failure-in-test-method.phpt b/tests/end-to-end/event/assertion-failure-in-test-method.phpt
index a3c79c75a9b..6a44274fef9 100644
--- a/tests/end-to-end/event/assertion-failure-in-test-method.phpt
+++ b/tests/end-to-end/event/assertion-failure-in-test-method.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that fails because of an assertion failure in the test method
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/custom-comparator.phpt b/tests/end-to-end/event/custom-comparator.phpt
index 55dc0652151..75e011e2669 100644
--- a/tests/end-to-end/event/custom-comparator.phpt
+++ b/tests/end-to-end/event/custom-comparator.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a successful test that uses assertEquals() with a custom comparator
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/data-provider-duplicate-key.phpt b/tests/end-to-end/event/data-provider-duplicate-key.phpt
index 7b2c2ec93c2..754b5818c93 100644
--- a/tests/end-to-end/event/data-provider-duplicate-key.phpt
+++ b/tests/end-to-end/event/data-provider-duplicate-key.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a data provider that provides duplicate keys
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/data-provider-empty.phpt b/tests/end-to-end/event/data-provider-empty.phpt
index 4ccdb309343..c649f11a313 100644
--- a/tests/end-to-end/event/data-provider-empty.phpt
+++ b/tests/end-to-end/event/data-provider-empty.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a data provider that returns an empty array
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/data-provider-exception.phpt b/tests/end-to-end/event/data-provider-exception.phpt
index 084fb476973..49713099035 100644
--- a/tests/end-to-end/event/data-provider-exception.phpt
+++ b/tests/end-to-end/event/data-provider-exception.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a data provider that raises an exception
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/data-provider-expects-argument.phpt b/tests/end-to-end/event/data-provider-expects-argument.phpt
index ac6922ac305..5610e9b5d73 100644
--- a/tests/end-to-end/event/data-provider-expects-argument.phpt
+++ b/tests/end-to-end/event/data-provider-expects-argument.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a data provider that is not public
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/data-provider-external.phpt b/tests/end-to-end/event/data-provider-external.phpt
index 3562051b1b1..945ad174da8 100644
--- a/tests/end-to-end/event/data-provider-external.phpt
+++ b/tests/end-to-end/event/data-provider-external.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a successful test that uses an external data provider
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/data-provider-not-public.phpt b/tests/end-to-end/event/data-provider-not-public.phpt
index 3348347a9a7..f206a4250ae 100644
--- a/tests/end-to-end/event/data-provider-not-public.phpt
+++ b/tests/end-to-end/event/data-provider-not-public.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a data provider that is not public
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/data-provider-not-static.phpt b/tests/end-to-end/event/data-provider-not-static.phpt
index 8794ec23f99..1447664531a 100644
--- a/tests/end-to-end/event/data-provider-not-static.phpt
+++ b/tests/end-to-end/event/data-provider-not-static.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a data provider that is not static
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/data-provider.phpt b/tests/end-to-end/event/data-provider.phpt
index 246631abd13..ae14306243b 100644
--- a/tests/end-to-end/event/data-provider.phpt
+++ b/tests/end-to-end/event/data-provider.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a successful test that uses a data provider
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/deprecations-can-be-ignored-using-attribute.phpt b/tests/end-to-end/event/deprecations-can-be-ignored-using-attribute.phpt
index 6f7643a073e..5b773174ab4 100644
--- a/tests/end-to-end/event/deprecations-can-be-ignored-using-attribute.phpt
+++ b/tests/end-to-end/event/deprecations-can-be-ignored-using-attribute.phpt
@@ -1,10 +1,5 @@
 --TEST--
 https://github.com/sebastianbergmann/phpunit/issues/5532
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/error-handler-can-be-disabled.phpt b/tests/end-to-end/event/error-handler-can-be-disabled.phpt
index 42e5d71f124..62eb7058e9a 100644
--- a/tests/end-to-end/event/error-handler-can-be-disabled.phpt
+++ b/tests/end-to-end/event/error-handler-can-be-disabled.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order when PHPUnit's error handler is disabled
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/error.phpt b/tests/end-to-end/event/error.phpt
index 19fc8e9bb8e..20da02dbb22 100644
--- a/tests/end-to-end/event/error.phpt
+++ b/tests/end-to-end/event/error.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for an errored test
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/exception-in-setup-before-class.phpt b/tests/end-to-end/event/exception-in-setup-before-class.phpt
index d2a558aed9d..ed370bd55c8 100644
--- a/tests/end-to-end/event/exception-in-setup-before-class.phpt
+++ b/tests/end-to-end/event/exception-in-setup-before-class.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for when an exception is raised in setUpBeforeClass()
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/exception-in-setup.phpt b/tests/end-to-end/event/exception-in-setup.phpt
index 2a897cfdb26..51db1fa52ed 100644
--- a/tests/end-to-end/event/exception-in-setup.phpt
+++ b/tests/end-to-end/event/exception-in-setup.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for when an exception is raised in setUp()
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/expectation-on-output.phpt b/tests/end-to-end/event/expectation-on-output.phpt
index 3d3311ef43a..dd3606f8f96 100644
--- a/tests/end-to-end/event/expectation-on-output.phpt
+++ b/tests/end-to-end/event/expectation-on-output.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test with an output expectation
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/failed-mock-expectation.phpt b/tests/end-to-end/event/failed-mock-expectation.phpt
index 219d771a32f..226b7400782 100644
--- a/tests/end-to-end/event/failed-mock-expectation.phpt
+++ b/tests/end-to-end/event/failed-mock-expectation.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test with a failed expectation on a mock object
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/incomplete-test.phpt b/tests/end-to-end/event/incomplete-test.phpt
index 01259c659af..7d16b083fb6 100644
--- a/tests/end-to-end/event/incomplete-test.phpt
+++ b/tests/end-to-end/event/incomplete-test.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for an incomplete test
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/invalid-coverage-metadata.phpt b/tests/end-to-end/event/invalid-coverage-metadata.phpt
index 67d86b47fc9..b514a6088d8 100644
--- a/tests/end-to-end/event/invalid-coverage-metadata.phpt
+++ b/tests/end-to-end/event/invalid-coverage-metadata.phpt
@@ -2,9 +2,6 @@
 The right events are emitted in the right order for a test that has invalid code coverage metadata
 --SKIPIF--
 <?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 if (!extension_loaded('pcov')) {
     print "skip: this test requires pcov\n";
 }
diff --git a/tests/end-to-end/event/invalid-data-provider-with-passing-test.phpt b/tests/end-to-end/event/invalid-data-provider-with-passing-test.phpt
index e99cc3f4268..7f427f4fa2d 100644
--- a/tests/end-to-end/event/invalid-data-provider-with-passing-test.phpt
+++ b/tests/end-to-end/event/invalid-data-provider-with-passing-test.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a data provider that returns an invalid array
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/invalid-data-provider.phpt b/tests/end-to-end/event/invalid-data-provider.phpt
index 7eaa99b5bb9..ee6c60a4600 100644
--- a/tests/end-to-end/event/invalid-data-provider.phpt
+++ b/tests/end-to-end/event/invalid-data-provider.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a data provider that returns an invalid array
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/invalid-test-dependency.phpt b/tests/end-to-end/event/invalid-test-dependency.phpt
index ce367cd9a73..2ddff04bc74 100644
--- a/tests/end-to-end/event/invalid-test-dependency.phpt
+++ b/tests/end-to-end/event/invalid-test-dependency.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that has an invalid dependency
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/missing-test-dependency.phpt b/tests/end-to-end/event/missing-test-dependency.phpt
index b883ce3746e..f632db9b589 100644
--- a/tests/end-to-end/event/missing-test-dependency.phpt
+++ b/tests/end-to-end/event/missing-test-dependency.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that has a missing dependency
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/mock-object.phpt b/tests/end-to-end/event/mock-object.phpt
index 0f407fe0c98..747f69c09d8 100644
--- a/tests/end-to-end/event/mock-object.phpt
+++ b/tests/end-to-end/event/mock-object.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a mock object
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/php-deprecated.phpt b/tests/end-to-end/event/php-deprecated.phpt
index cc1b60b24c4..8665a7845ef 100644
--- a/tests/end-to-end/event/php-deprecated.phpt
+++ b/tests/end-to-end/event/php-deprecated.phpt
@@ -1,14 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers E_DEPRECATED
---SKIPIF--
-<?php declare(strict_types=1);
-if (!(PHP_MAJOR_VERSION === 8 && PHP_MINOR_VERSION === 1)) {
-    print "skip: this test requires PHP 8.1\n";
-}
-
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --INI--
 error_reporting=-1
 --FILE--
diff --git a/tests/end-to-end/event/php-notice.phpt b/tests/end-to-end/event/php-notice.phpt
index 74340442bbe..a24e6f59e15 100644
--- a/tests/end-to-end/event/php-notice.phpt
+++ b/tests/end-to-end/event/php-notice.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers E_NOTICE
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/php-warning.phpt b/tests/end-to-end/event/php-warning.phpt
index db365810191..01aea0c6f9f 100644
--- a/tests/end-to-end/event/php-warning.phpt
+++ b/tests/end-to-end/event/php-warning.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers E_WARNING
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/phpt-skipif.phpt b/tests/end-to-end/event/phpt-skipif.phpt
index 238ed9b0cc4..12406f0f484 100644
--- a/tests/end-to-end/event/phpt-skipif.phpt
+++ b/tests/end-to-end/event/phpt-skipif.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a skipped PHPT test
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/phpunit-deprecated.phpt b/tests/end-to-end/event/phpunit-deprecated.phpt
index bc517195808..d5ccaaa6fc2 100644
--- a/tests/end-to-end/event/phpunit-deprecated.phpt
+++ b/tests/end-to-end/event/phpunit-deprecated.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a deprecated PHPUnit feature
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/phpunit-warning.phpt b/tests/end-to-end/event/phpunit-warning.phpt
index 55ad702b347..29c76cf2868 100644
--- a/tests/end-to-end/event/phpunit-warning.phpt
+++ b/tests/end-to-end/event/phpunit-warning.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers a PHPUnit warning
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/process-isolation-fatal.phpt b/tests/end-to-end/event/process-isolation-fatal.phpt
index e116c66d435..7b197f02890 100644
--- a/tests/end-to-end/event/process-isolation-fatal.phpt
+++ b/tests/end-to-end/event/process-isolation-fatal.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that is run in process isolation and triggers a fatal error
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/registered-failure-interface.phpt b/tests/end-to-end/event/registered-failure-interface.phpt
index 9ae71e11196..2320e05854f 100644
--- a/tests/end-to-end/event/registered-failure-interface.phpt
+++ b/tests/end-to-end/event/registered-failure-interface.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that registers a failure interface
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/risky-depends-on-larger-test.phpt b/tests/end-to-end/event/risky-depends-on-larger-test.phpt
index 0d469d6f422..9e9028238a2 100644
--- a/tests/end-to-end/event/risky-depends-on-larger-test.phpt
+++ b/tests/end-to-end/event/risky-depends-on-larger-test.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that is considered risky because it depends on a larger test
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/risky-global-state-modification.phpt b/tests/end-to-end/event/risky-global-state-modification.phpt
index b996e1c2cc1..3ae618af029 100644
--- a/tests/end-to-end/event/risky-global-state-modification.phpt
+++ b/tests/end-to-end/event/risky-global-state-modification.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that is considered risky because it modified global state
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/risky-no-assertions-isolation.phpt b/tests/end-to-end/event/risky-no-assertions-isolation.phpt
index 74ba3bf6d5c..a17cc1eb4a2 100644
--- a/tests/end-to-end/event/risky-no-assertions-isolation.phpt
+++ b/tests/end-to-end/event/risky-no-assertions-isolation.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that is run in an isolated process and is considered risky because it did not perform assertions
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/risky-no-assertions.phpt b/tests/end-to-end/event/risky-no-assertions.phpt
index a42dc4abde6..8b61821e9ea 100644
--- a/tests/end-to-end/event/risky-no-assertions.phpt
+++ b/tests/end-to-end/event/risky-no-assertions.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that is considered risky because it did not perform assertions
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/risky-output.phpt b/tests/end-to-end/event/risky-output.phpt
index f2ffc0cee06..8eab9db710e 100644
--- a/tests/end-to-end/event/risky-output.phpt
+++ b/tests/end-to-end/event/risky-output.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that is considered risky because it prints output
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/risky-time-limit-exceeded.phpt b/tests/end-to-end/event/risky-time-limit-exceeded.phpt
index bce5bb96729..1b05b4988ea 100644
--- a/tests/end-to-end/event/risky-time-limit-exceeded.phpt
+++ b/tests/end-to-end/event/risky-time-limit-exceeded.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that is considered risky because it timed out
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/risky-with-multiple-reasons.phpt b/tests/end-to-end/event/risky-with-multiple-reasons.phpt
index c16686a47a8..958fb7b2fbd 100644
--- a/tests/end-to-end/event/risky-with-multiple-reasons.phpt
+++ b/tests/end-to-end/event/risky-with-multiple-reasons.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that is considered risky for multiple reasons
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/success-process-isolation.phpt b/tests/end-to-end/event/success-process-isolation.phpt
index 4e18011dedf..8707ba04b29 100644
--- a/tests/end-to-end/event/success-process-isolation.phpt
+++ b/tests/end-to-end/event/success-process-isolation.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a successful test that is run in an isolated process
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/success-verbose.phpt b/tests/end-to-end/event/success-verbose.phpt
index e216b25e84d..d769973b21a 100644
--- a/tests/end-to-end/event/success-verbose.phpt
+++ b/tests/end-to-end/event/success-verbose.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a successful test with extended information
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/success.phpt b/tests/end-to-end/event/success.phpt
index 033ebee089f..a92c64b4a46 100644
--- a/tests/end-to-end/event/success.phpt
+++ b/tests/end-to-end/event/success.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a successful test
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/successful-mock-expectation.phpt b/tests/end-to-end/event/successful-mock-expectation.phpt
index 78ac1080baa..23c5f039255 100644
--- a/tests/end-to-end/event/successful-mock-expectation.phpt
+++ b/tests/end-to-end/event/successful-mock-expectation.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test with a successful expectation on a mock object
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/suppressed-user-notice.phpt b/tests/end-to-end/event/suppressed-user-notice.phpt
index 42d4c0b1b09..9fd5ec3e275 100644
--- a/tests/end-to-end/event/suppressed-user-notice.phpt
+++ b/tests/end-to-end/event/suppressed-user-notice.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers a suppressed E_USER_NOTICE
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/suppressed-user-warning.phpt b/tests/end-to-end/event/suppressed-user-warning.phpt
index 1ba2962bac6..0e7669d939b 100644
--- a/tests/end-to-end/event/suppressed-user-warning.phpt
+++ b/tests/end-to-end/event/suppressed-user-warning.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers a suppressed E_USER_WARNING
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/template-methods.phpt b/tests/end-to-end/event/template-methods.phpt
index 3968ef079fc..3ea147bac8e 100644
--- a/tests/end-to-end/event/template-methods.phpt
+++ b/tests/end-to-end/event/template-methods.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for the template methods of a test class
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/test-skipped-in-setup-before-class.phpt b/tests/end-to-end/event/test-skipped-in-setup-before-class.phpt
index bea5ce31ddf..db4059fdd7f 100644
--- a/tests/end-to-end/event/test-skipped-in-setup-before-class.phpt
+++ b/tests/end-to-end/event/test-skipped-in-setup-before-class.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test skipped in setUpBeforeClass()
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/test-skipped-in-setup.phpt b/tests/end-to-end/event/test-skipped-in-setup.phpt
index c02da064dce..fa38c2474e2 100644
--- a/tests/end-to-end/event/test-skipped-in-setup.phpt
+++ b/tests/end-to-end/event/test-skipped-in-setup.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test skipped in setUp()
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/test-skipped.phpt b/tests/end-to-end/event/test-skipped.phpt
index c01201f383d..fe3b5b68eb7 100644
--- a/tests/end-to-end/event/test-skipped.phpt
+++ b/tests/end-to-end/event/test-skipped.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a skipped test
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/test-stub.phpt b/tests/end-to-end/event/test-stub.phpt
index 1e7d6b2cd88..6a75b6bd8a9 100644
--- a/tests/end-to-end/event/test-stub.phpt
+++ b/tests/end-to-end/event/test-stub.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that uses a test stub
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/testwith-annotation.phpt b/tests/end-to-end/event/testwith-annotation.phpt
index 93fb9be3e1b..ce46bbb51d9 100644
--- a/tests/end-to-end/event/testwith-annotation.phpt
+++ b/tests/end-to-end/event/testwith-annotation.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a successful test that uses the TestWith and TestWithJson attributes
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/testwith-attribute.phpt b/tests/end-to-end/event/testwith-attribute.phpt
index 80957f96ed1..39fbad6913b 100644
--- a/tests/end-to-end/event/testwith-attribute.phpt
+++ b/tests/end-to-end/event/testwith-attribute.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a successful test that uses the TestWith and TestWithJson attributes
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/too-few-columns.phpt b/tests/end-to-end/event/too-few-columns.phpt
index 2fd2007a27b..4070afe1088 100644
--- a/tests/end-to-end/event/too-few-columns.phpt
+++ b/tests/end-to-end/event/too-few-columns.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order when too few columns are requested
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/unexpected-end-of-test-in-separate-process.phpt b/tests/end-to-end/event/unexpected-end-of-test-in-separate-process.phpt
index a50a7d660cf..6db60cc57ee 100644
--- a/tests/end-to-end/event/unexpected-end-of-test-in-separate-process.phpt
+++ b/tests/end-to-end/event/unexpected-end-of-test-in-separate-process.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test run in a separate process that ends unexpectedly
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/unsatisfied-requirement.phpt b/tests/end-to-end/event/unsatisfied-requirement.phpt
index 6ea2ff67278..65ee9f7a5d6 100644
--- a/tests/end-to-end/event/unsatisfied-requirement.phpt
+++ b/tests/end-to-end/event/unsatisfied-requirement.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that has an unsatisfied requirement
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/user-deprecated.phpt b/tests/end-to-end/event/user-deprecated.phpt
index b81d5c608bb..039bde2e4d0 100644
--- a/tests/end-to-end/event/user-deprecated.phpt
+++ b/tests/end-to-end/event/user-deprecated.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers E_USER_DEPRECATED
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/user-error.phpt b/tests/end-to-end/event/user-error.phpt
index c7ea30422b8..2434c4588d0 100644
--- a/tests/end-to-end/event/user-error.phpt
+++ b/tests/end-to-end/event/user-error.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers E_USER_ERROR
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/user-notice.phpt b/tests/end-to-end/event/user-notice.phpt
index c39cccd57ed..a731096bd48 100644
--- a/tests/end-to-end/event/user-notice.phpt
+++ b/tests/end-to-end/event/user-notice.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers an E_USER_NOTICE
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/event/user-warning.phpt b/tests/end-to-end/event/user-warning.phpt
index 3fd847305b6..3cfde783a26 100644
--- a/tests/end-to-end/event/user-warning.phpt
+++ b/tests/end-to-end/event/user-warning.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order for a test that runs code which triggers E_USER_WARNING
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/extension/phar-extension.phpt b/tests/end-to-end/extension/phar-extension.phpt
index 1709a77fb86..722fb8a1dec 100644
--- a/tests/end-to-end/extension/phar-extension.phpt
+++ b/tests/end-to-end/extension/phar-extension.phpt
@@ -1,10 +1,5 @@
 --TEST--
 The right events are emitted in the right order when a PHPUnit extension from a PHAR is loaded
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/generic/controlled-garbage-collection.phpt b/tests/end-to-end/generic/controlled-garbage-collection.phpt
index b8451ae4387..fb1b96087fd 100644
--- a/tests/end-to-end/generic/controlled-garbage-collection.phpt
+++ b/tests/end-to-end/generic/controlled-garbage-collection.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --configuration=__DIR__.'/../_files/controlled-garbage-collection'
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/generic/dataprovider-log-xml-isolation.phpt b/tests/end-to-end/generic/dataprovider-log-xml-isolation.phpt
index f674d803966..3156f6d6cf8 100644
--- a/tests/end-to-end/generic/dataprovider-log-xml-isolation.phpt
+++ b/tests/end-to-end/generic/dataprovider-log-xml-isolation.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --process-isolation --log-junit php://stdout ../../_files/DataProviderTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $logfile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/generic/dataprovider-log-xml.phpt b/tests/end-to-end/generic/dataprovider-log-xml.phpt
index 541cb9f5b5f..b96ffb0cc8a 100644
--- a/tests/end-to-end/generic/dataprovider-log-xml.phpt
+++ b/tests/end-to-end/generic/dataprovider-log-xml.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --log-junit php://stdout ../../_files/DataProviderTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $logfile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/logging/log-junit-to-file.phpt b/tests/end-to-end/logging/log-junit-to-file.phpt
index 872378a2471..9d5657bbdaf 100644
--- a/tests/end-to-end/logging/log-junit-to-file.phpt
+++ b/tests/end-to-end/logging/log-junit-to-file.phpt
@@ -1,10 +1,5 @@
 --TEST--
 phpunit --log-junit junit.xml _files/StatusTest.php
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $logfile = tempnam(sys_get_temp_dir(), __FILE__);
diff --git a/tests/end-to-end/regression/5287.phpt b/tests/end-to-end/regression/5287.phpt
index b1cee5c5c81..e642fcf5ee8 100644
--- a/tests/end-to-end/regression/5287.phpt
+++ b/tests/end-to-end/regression/5287.phpt
@@ -1,10 +1,5 @@
 --TEST--
 https://github.com/sebastianbergmann/phpunit/issues/5287
---SKIPIF--
-<?php declare(strict_types=1);
-if (DIRECTORY_SEPARATOR === '\\') {
-    print "skip: this test does not work on Windows / GitHub Actions\n";
-}
 --FILE--
 <?php declare(strict_types=1);
 $traceFile = tempnam(sys_get_temp_dir(), __FILE__);