diff --git a/layout/reftests/mathml/reftest.list b/layout/reftests/mathml/reftest.list
index 6a779b14d0c8..b4a69616cc23 100644
--- a/layout/reftests/mathml/reftest.list
+++ b/layout/reftests/mathml/reftest.list
@@ -11,8 +11,8 @@ fails-if(!styloVsGecko) == dir-9.html dir-9-ref.html # Bug 787215
 == dir-10.html dir-10-ref.html
 == dir-11.html dir-11-ref.html
 == css-spacing-1.html css-spacing-1-ref.html
-pref(mathml.disabled,true) fails-if(styloVsGecko||stylo) == disabled-scriptlevel-1.html disabled-scriptlevel-1-ref.html
-pref(mathml.disabled,true) fails-if(styloVsGecko||stylo) == disabled-scriptlevel-1.xhtml disabled-scriptlevel-1-ref.xhtml
+pref(mathml.disabled,true) == disabled-scriptlevel-1.html disabled-scriptlevel-1-ref.html
+pref(mathml.disabled,true) == disabled-scriptlevel-1.xhtml disabled-scriptlevel-1-ref.xhtml
 == displaystyle-1.html displaystyle-1-ref.html
 == displaystyle-2.html displaystyle-2-ref.html
 == displaystyle-3.html displaystyle-3-ref.html