diff --git a/clang/test/ClangScanDeps/resource_directory.c b/clang/test/ClangScanDeps/resource_directory.c
index 6183e8aefacfa..5c4b24f386de3 100644
--- a/clang/test/ClangScanDeps/resource_directory.c
+++ b/clang/test/ClangScanDeps/resource_directory.c
@@ -1,4 +1,5 @@
-// REQUIRES: shell
+// Path seperator differences
+// UNSUPPORTED: system-windows
 
 // RUN: rm -rf %t && mkdir %t
 // RUN: cp %S/Inputs/resource_directory/* %t
diff --git a/clang/test/Driver/baremetal-multilib-custom-error.yaml b/clang/test/Driver/baremetal-multilib-custom-error.yaml
index 0be92e26aae28..bc06ed468572c 100644
--- a/clang/test/Driver/baremetal-multilib-custom-error.yaml
+++ b/clang/test/Driver/baremetal-multilib-custom-error.yaml
@@ -1,4 +1,3 @@
-# REQUIRES: shell
 # UNSUPPORTED: system-windows
 
 # RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -print-multi-directory 2>&1 \
diff --git a/clang/test/Frontend/absolute-paths-symlinks.c b/clang/test/Frontend/absolute-paths-symlinks.c
index 8170910b6f6ec..80bca34eb9d4b 100644
--- a/clang/test/Frontend/absolute-paths-symlinks.c
+++ b/clang/test/Frontend/absolute-paths-symlinks.c
@@ -12,6 +12,5 @@
 // CHECK-SAME: error: unknown type name
 This do not compile
 
-// REQUIRES: shell
 // Don't make symlinks on Windows.
 // UNSUPPORTED: system-windows
diff --git a/clang/test/Tooling/clang-check-pwd.cpp b/clang/test/Tooling/clang-check-pwd.cpp
index 309cee54aadd9..e4360c006cd16 100644
--- a/clang/test/Tooling/clang-check-pwd.cpp
+++ b/clang/test/Tooling/clang-check-pwd.cpp
@@ -12,5 +12,3 @@
 // CHECK: a type specifier is required
 // CHECK: .foobar/test.cpp
 invalid;
-
-// REQUIRES: shell