diff --git a/layout/reftests/mathml/reftest.list b/layout/reftests/mathml/reftest.list
index 454a3452bd2e..b75465cae425 100644
--- a/layout/reftests/mathml/reftest.list
+++ b/layout/reftests/mathml/reftest.list
@@ -15,9 +15,6 @@ fails-if(cocoaWidget) == scale-stretchy-3.xhtml scale-stretchy-3-ref.xhtml
!= scale-stretchy-4.xhtml scale-stretchy-4-ref.xhtml
!= scale-stretchy-5.xhtml scale-stretchy-5-ref.xhtml
!= stretchy-1.html stretchy-1-ref.html
-== mpadded-7.html mpadded-7-ref.html
-== mpadded-8.html mpadded-8-ref.html
-== mpadded-9.html mpadded-9-ref.html
== scriptlevel-movablelimits-1.html scriptlevel-movablelimits-1-ref.html
== munderover-align-accent-false.html munderover-align-accent-false-ref.html
== munderover-align-accent-true.html munderover-align-accent-true-ref.html
diff --git a/testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-seudo-units-001-ref.html b/testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-pseudo-units-001-ref.html
similarity index 100%
rename from testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-seudo-units-001-ref.html
rename to testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-pseudo-units-001-ref.html
diff --git a/testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-seudo-units-001.html b/testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-pseudo-units-001.html
similarity index 89%
rename from testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-seudo-units-001.html
rename to testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-pseudo-units-001.html
index 80ba83510949..5f976e63de59 100644
--- a/testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-seudo-units-001.html
+++ b/testing/web-platform/mozilla/tests/mathml/mpadded/mpadded-pseudo-units-001.html
@@ -3,7 +3,7 @@
Test mpadded
-
+