diff --git a/tests/wpt/metadata/DOMEvents/tests/approved/ProcessingInstruction.DOMCharacterDataModified.html.ini b/tests/wpt/metadata/DOMEvents/tests/approved/ProcessingInstruction.DOMCharacterDataModified.html.ini
index efa15a1120c..8c0b459876c 100644
--- a/tests/wpt/metadata/DOMEvents/tests/approved/ProcessingInstruction.DOMCharacterDataModified.html.ini
+++ b/tests/wpt/metadata/DOMEvents/tests/approved/ProcessingInstruction.DOMCharacterDataModified.html.ini
@@ -1,5 +1,4 @@
 [ProcessingInstruction.DOMCharacterDataModified.html]
   type: testharness
-  [Test Description: DOMCharacterDataModified event fires after ProcessingInstruction.data have been modified, but the node itself has not been inserted or deleted. The proximal event target of this event shall be the ProcessingInstruction node.]
-    expected: FAIL
+  disabled: mutation events
 
diff --git a/tests/wpt/metadata/DOMEvents/tests/approved/domnodeinserted.html.ini b/tests/wpt/metadata/DOMEvents/tests/approved/domnodeinserted.html.ini
index d5be4bfbba4..9c524457860 100644
--- a/tests/wpt/metadata/DOMEvents/tests/approved/domnodeinserted.html.ini
+++ b/tests/wpt/metadata/DOMEvents/tests/approved/domnodeinserted.html.ini
@@ -1,6 +1,4 @@
 [domnodeinserted.html]
   type: testharness
-  expected: TIMEOUT
-  [Test Description: DOMNodeInserted event fires when a node has been added as a child of another node.]
-    expected: NOTRUN
+  disabled: mutation events
 
diff --git a/tests/wpt/metadata/DOMEvents/tests/submissions/Microsoft/converted/ProcessingInstruction.DOMCharacterDataModified.html.ini b/tests/wpt/metadata/DOMEvents/tests/submissions/Microsoft/converted/ProcessingInstruction.DOMCharacterDataModified.html.ini
index efa15a1120c..8c0b459876c 100644
--- a/tests/wpt/metadata/DOMEvents/tests/submissions/Microsoft/converted/ProcessingInstruction.DOMCharacterDataModified.html.ini
+++ b/tests/wpt/metadata/DOMEvents/tests/submissions/Microsoft/converted/ProcessingInstruction.DOMCharacterDataModified.html.ini
@@ -1,5 +1,4 @@
 [ProcessingInstruction.DOMCharacterDataModified.html]
   type: testharness
-  [Test Description: DOMCharacterDataModified event fires after ProcessingInstruction.data have been modified, but the node itself has not been inserted or deleted. The proximal event target of this event shall be the ProcessingInstruction node.]
-    expected: FAIL
+  disabled: mutation events
 
diff --git a/tests/wpt/metadata/DOMEvents/tests/submissions/Microsoft/converted/domnodeinserted.html.ini b/tests/wpt/metadata/DOMEvents/tests/submissions/Microsoft/converted/domnodeinserted.html.ini
index d5be4bfbba4..9c524457860 100644
--- a/tests/wpt/metadata/DOMEvents/tests/submissions/Microsoft/converted/domnodeinserted.html.ini
+++ b/tests/wpt/metadata/DOMEvents/tests/submissions/Microsoft/converted/domnodeinserted.html.ini
@@ -1,6 +1,4 @@
 [domnodeinserted.html]
   type: testharness
-  expected: TIMEOUT
-  [Test Description: DOMNodeInserted event fires when a node has been added as a child of another node.]
-    expected: NOTRUN
+  disabled: mutation events