diff --git a/tests/wpt/metadata/encoding/textdecoder-byte-order-marks.html.ini b/tests/wpt/metadata/encoding/textdecoder-byte-order-marks.html.ini
deleted file mode 100644
index c17b08ebbde1..000000000000
--- a/tests/wpt/metadata/encoding/textdecoder-byte-order-marks.html.ini
+++ /dev/null
@@ -1,12 +0,0 @@
-[textdecoder-byte-order-marks.html]
-  type: testharness
-  bug: https://github.com/servo/servo/issues/13233
-  [Byte-order marks: utf-8]
-    expected: FAIL
-
-  [Byte-order marks: utf-16le]
-    expected: FAIL
-
-  [Byte-order marks: utf-16be]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/encoding/textdecoder-copy.any.js.ini b/tests/wpt/metadata/encoding/textdecoder-copy.any.js.ini
deleted file mode 100644
index dccecbabceca..000000000000
--- a/tests/wpt/metadata/encoding/textdecoder-copy.any.js.ini
+++ /dev/null
@@ -1,11 +0,0 @@
-[textdecoder-copy.any.html]
-  type: testharness
-  [Modify buffer after passing it in]
-    expected: FAIL
-
-
-[textdecoder-copy.any.worker.html]
-  type: testharness
-  [Modify buffer after passing it in]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/encoding/textdecoder-fatal-streaming.html.ini b/tests/wpt/metadata/encoding/textdecoder-fatal-streaming.html.ini
deleted file mode 100644
index 6aad19bc5e6a..000000000000
--- a/tests/wpt/metadata/encoding/textdecoder-fatal-streaming.html.ini
+++ /dev/null
@@ -1,6 +0,0 @@
-[textdecoder-fatal-streaming.html]
-  type: testharness
-  bug: https://github.com/servo/servo/issues/13234
-  [Fatal flag, streaming cases]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/encoding/textdecoder-ignorebom.html.ini b/tests/wpt/metadata/encoding/textdecoder-ignorebom.html.ini
deleted file mode 100644
index af7e2247de25..000000000000
--- a/tests/wpt/metadata/encoding/textdecoder-ignorebom.html.ini
+++ /dev/null
@@ -1,15 +0,0 @@
-[textdecoder-ignorebom.html]
-  type: testharness
-  bug: https://github.com/servo/servo/issues/5600
-  [BOM is ignored if ignoreBOM option is specified: utf-8]
-    expected: FAIL
-
-  [BOM is ignored if ignoreBOM option is specified: utf-16le]
-    expected: FAIL
-
-  [BOM is ignored if ignoreBOM option is specified: utf-16be]
-    expected: FAIL
-
-  [The ignoreBOM attribute of TextDecoder]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/encoding/textdecoder-streaming.html.ini b/tests/wpt/metadata/encoding/textdecoder-streaming.html.ini
deleted file mode 100644
index 814fd8dbecd8..000000000000
--- a/tests/wpt/metadata/encoding/textdecoder-streaming.html.ini
+++ /dev/null
@@ -1,48 +0,0 @@
-[textdecoder-streaming.html]
-  type: testharness
-  bug: https://github.com/servo/servo/issues/13234
-  [Streaming decode: utf-16le, 1 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16le, 3 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16le, 5 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16be, 1 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16be, 3 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16be, 5 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-8, 1 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-8, 2 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-8, 3 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-8, 4 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-8, 5 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16le, 2 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16le, 4 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16be, 2 byte window]
-    expected: FAIL
-
-  [Streaming decode: utf-16be, 4 byte window]
-    expected: FAIL
-