diff --git a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-image-document.html.ini b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-image-document.html.ini
index 49544b02c2f..d8e39ae123d 100644
--- a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-image-document.html.ini
+++ b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-image-document.html.ini
@@ -1,5 +1,2 @@
 [image-decode-image-document.html]
-  expected: ERROR
-  [HTMLImageElement.prototype.decode(), image document tests. Decode from iframe with image document, succeeds (img not loaded)]
-    expected: TIMEOUT
 
diff --git a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-path-changes.html.ini b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-path-changes.html.ini
index 360223141ee..438b60c8088 100644
--- a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-path-changes.html.ini
+++ b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-path-changes.html.ini
@@ -6,18 +6,6 @@
   [HTMLImageElement.prototype.decode(), src/srcset mutation tests. src changes fail decode; following good svg decode succeeds.]
     expected: FAIL
 
-  [HTMLImageElement.prototype.decode(), src/srcset mutation tests. src changes fail decode; following bad decode fails.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), src/srcset mutation tests. src changes to the same path succeed.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), src/srcset mutation tests. srcset changes fail decode.]
-    expected: FAIL
-
   [HTMLImageElement.prototype.decode(), src/srcset mutation tests. srcset changes fail decode; following good decode succeeds.]
     expected: FAIL
 
-  [HTMLImageElement.prototype.decode(), src/srcset mutation tests. srcset changes fail decode; following bad decode fails.]
-    expected: FAIL
-
diff --git a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-picture.html.ini b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-picture.html.ini
index 7faaace79d0..f0b6a2c399c 100644
--- a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-picture.html.ini
+++ b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-picture.html.ini
@@ -1,17 +1,5 @@
 [image-decode-picture.html]
   type: testharness
-  [HTMLImageElement.prototype.decode(), picture tests. Image with PNG source decodes with undefined.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), picture tests. Image with multiple sources decodes with undefined.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), picture tests. Image with PNG data URL source decodes with undefined.]
-    expected: FAIL
-
   [HTMLImageElement.prototype.decode(), picture tests. Image with SVG source decodes with undefined.]
     expected: FAIL
 
-  [HTMLImageElement.prototype.decode(), picture tests. Multiple decodes for images with src succeed.]
-    expected: FAIL
-
diff --git a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-with-quick-attach.html.ini b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-with-quick-attach.html.ini
index 27790990a42..b1578afd1fe 100644
--- a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-with-quick-attach.html.ini
+++ b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode-with-quick-attach.html.ini
@@ -1,4 +1,2 @@
 [image-decode-with-quick-attach.html]
-  [HTMLImageElement.prototype.decode(), attach to DOM before promise resolves.]
-    expected: FAIL
 
diff --git a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode.html.ini b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode.html.ini
index d4d5bb35427..0185cce270d 100644
--- a/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode.html.ini
+++ b/tests/wpt/meta-legacy-layout/html/semantics/embedded-content/the-img-element/decode/image-decode.html.ini
@@ -1,17 +1,8 @@
 [image-decode.html]
   type: testharness
-  [HTMLImageElement.prototype.decode(), basic tests. Image with PNG src decodes with undefined.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), basic tests. Image with PNG data URL src decodes with undefined.]
-    expected: FAIL
-
   [HTMLImageElement.prototype.decode(), basic tests. Image with SVG src decodes with undefined.]
     expected: FAIL
 
-  [HTMLImageElement.prototype.decode(), basic tests. Adopted inactive image into active document succeeds.]
-    expected: FAIL
-
   [HTMLImageElement.prototype.decode(), basic tests. Multiple decodes for images with src succeed.]
     expected: FAIL
 
diff --git a/tests/wpt/meta-legacy-layout/resource-timing/body-size-cross-origin.https.html.ini b/tests/wpt/meta-legacy-layout/resource-timing/body-size-cross-origin.https.html.ini
index f1aabdea4e7..c6d89589fd6 100644
--- a/tests/wpt/meta-legacy-layout/resource-timing/body-size-cross-origin.https.html.ini
+++ b/tests/wpt/meta-legacy-layout/resource-timing/body-size-cross-origin.https.html.ini
@@ -5,9 +5,6 @@
   [Retrieving a same-origin resource with Timing-Allow-Origin should expose body size]
     expected: FAIL
 
-  [Retrieving a no-cors resource without Timing-Allow-Origin should not expose body size]
-    expected: FAIL
-
   [Retrieving a no-cors resource with Timing-Allow-Origin should not expose body size]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-image-document.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-image-document.html.ini
index dd01286e4f9..a86c4d53f44 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-image-document.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-image-document.html.ini
@@ -1,4 +1 @@
 [image-decode-image-document.html]
-  expected: ERROR
-  [HTMLImageElement.prototype.decode(), image document tests. Decode from iframe with image document, succeeds (img not loaded)]
-    expected: TIMEOUT
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-path-changes.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-path-changes.html.ini
index 93fbe8094f2..f27a0c3ca08 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-path-changes.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-path-changes.html.ini
@@ -5,17 +5,5 @@
   [HTMLImageElement.prototype.decode(), src/srcset mutation tests. src changes fail decode; following good svg decode succeeds.]
     expected: FAIL
 
-  [HTMLImageElement.prototype.decode(), src/srcset mutation tests. src changes fail decode; following bad decode fails.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), src/srcset mutation tests. src changes to the same path succeed.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), src/srcset mutation tests. srcset changes fail decode.]
-    expected: FAIL
-
   [HTMLImageElement.prototype.decode(), src/srcset mutation tests. srcset changes fail decode; following good decode succeeds.]
     expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), src/srcset mutation tests. srcset changes fail decode; following bad decode fails.]
-    expected: FAIL
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-picture.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-picture.html.ini
index 4ee42d68547..3bb67b8a32a 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-picture.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-picture.html.ini
@@ -1,15 +1,3 @@
 [image-decode-picture.html]
-  [HTMLImageElement.prototype.decode(), picture tests. Image with PNG source decodes with undefined.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), picture tests. Image with multiple sources decodes with undefined.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), picture tests. Image with PNG data URL source decodes with undefined.]
-    expected: FAIL
-
   [HTMLImageElement.prototype.decode(), picture tests. Image with SVG source decodes with undefined.]
     expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), picture tests. Multiple decodes for images with src succeed.]
-    expected: FAIL
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-with-quick-attach.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-with-quick-attach.html.ini
index d83015e717c..98172663628 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-with-quick-attach.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode-with-quick-attach.html.ini
@@ -1,3 +1 @@
 [image-decode-with-quick-attach.html]
-  [HTMLImageElement.prototype.decode(), attach to DOM before promise resolves.]
-    expected: FAIL
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode.html.ini
index 5d106544acd..322814ca6f6 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/decode/image-decode.html.ini
@@ -1,16 +1,7 @@
 [image-decode.html]
-  [HTMLImageElement.prototype.decode(), basic tests. Image with PNG src decodes with undefined.]
-    expected: FAIL
-
-  [HTMLImageElement.prototype.decode(), basic tests. Image with PNG data URL src decodes with undefined.]
-    expected: FAIL
-
   [HTMLImageElement.prototype.decode(), basic tests. Image with SVG src decodes with undefined.]
     expected: FAIL
 
-  [HTMLImageElement.prototype.decode(), basic tests. Adopted inactive image into active document succeeds.]
-    expected: FAIL
-
   [HTMLImageElement.prototype.decode(), basic tests. Multiple decodes for images with src succeed.]
     expected: FAIL
 
diff --git a/tests/wpt/meta/resource-timing/body-size-cross-origin.https.html.ini b/tests/wpt/meta/resource-timing/body-size-cross-origin.https.html.ini
index f1aabdea4e7..c6d89589fd6 100644
--- a/tests/wpt/meta/resource-timing/body-size-cross-origin.https.html.ini
+++ b/tests/wpt/meta/resource-timing/body-size-cross-origin.https.html.ini
@@ -5,9 +5,6 @@
   [Retrieving a same-origin resource with Timing-Allow-Origin should expose body size]
     expected: FAIL
 
-  [Retrieving a no-cors resource without Timing-Allow-Origin should not expose body size]
-    expected: FAIL
-
   [Retrieving a no-cors resource with Timing-Allow-Origin should not expose body size]
     expected: FAIL