diff --git a/testing/web-platform/meta/clear-site-data/executionContexts.sub.html.ini b/testing/web-platform/meta/clear-site-data/executionContexts.sub.html.ini
index 702e81be200e..4ceea792fbf8 100644
--- a/testing/web-platform/meta/clear-site-data/executionContexts.sub.html.ini
+++ b/testing/web-platform/meta/clear-site-data/executionContexts.sub.html.ini
@@ -1,7 +1,2 @@
 [executionContexts.sub.html]
-  expected: TIMEOUT
-  [executionContexts triggers the reload of contexts]
-    expected: TIMEOUT
-
-  [* triggers the reload of contexts]
-    expected: NOTRUN
+  disabled: https://bugzilla.mozilla.org/show_bug.cgi?id=1635189