diff --git a/layout/reftests/css-animations/reftest.list b/layout/reftests/css-animations/reftest.list
index a382606683e2..ec2597c1d721 100644
--- a/layout/reftests/css-animations/reftest.list
+++ b/layout/reftests/css-animations/reftest.list
@@ -39,5 +39,5 @@ fails-if(webrender) == stacking-context-transform-none-in-delay.html stacking-co
 fails-if(webrender) == stacking-context-transform-removing-important-in-delay.html stacking-context-animation-ref.html
 fails == background-position-in-delay.html background-position-ref.html # This test fails the reftest-opaque-layer check since animating background-position currently creates an active layer from its delay phse, and reftest-opaque-layer only handles items assigned to PaintedLayers.
 == background-position-after-finish.html background-position-ref.html
-fails == background-position-running.html background-position-ref.html # This test fails the reftest-opaque-layer check since animating background-position currently creates an active layer, and reftest-opaque-layer only handles items assigned to PaintedLayers.
-fails == background-position-important.html background-position-ref.html # This test fails the reftest-opaque-layer check since animating background-position overridden by a non-animated !important style also creates an active layer, and reftest-opaque-layer only handles items that are assigned to PaintedLayers.
+fails skip-if(webrender) == background-position-running.html background-position-ref.html # This test fails the reftest-opaque-layer check since animating background-position currently creates an active layer, and reftest-opaque-layer only handles items assigned to PaintedLayers.
+fails skip-if(webrender) == background-position-important.html background-position-ref.html # This test fails the reftest-opaque-layer check since animating background-position overridden by a non-animated !important style also creates an active layer, and reftest-opaque-layer only handles items that are assigned to PaintedLayers.