--- a/layout/reftests/flexbox/reftest.list
+++ b/layout/reftests/flexbox/reftest.list
@@ -11,17 +11,17 @@
 
 # SUBDIRECTORY: Reftests for paginated flex containers
 include pagination/reftest.list
 
 # Tests for cross-axis alignment (align-self / align-items properties)
 fails == flexbox-align-self-baseline-horiz-2.xhtml  flexbox-align-self-baseline-horiz-2-ref.xhtml # bug 793456, and possibly others
 # This one fails on windows R (but not Ru, strangely). On Windows R, the
 # single-line <label> flex item has a different background size in test vs. ref
-fuzzy-if(B2G,10,3) fuzzy-if(cocoaWidget,1,2) random-if(winWidget) == flexbox-align-self-baseline-horiz-3.xhtml  flexbox-align-self-baseline-horiz-3-ref.xhtml # XXXdholbert investigate
+fuzzy-if(cocoaWidget,1,2) random-if(winWidget) == flexbox-align-self-baseline-horiz-3.xhtml  flexbox-align-self-baseline-horiz-3-ref.xhtml # XXXdholbert investigate
 == flexbox-align-self-baseline-horiz-4.xhtml flexbox-align-self-baseline-horiz-4-ref.xhtml
 
 # Tests for box-sizing on flex containers and flex items.
 == flexbox-box-sizing-on-container-horiz-1.html flexbox-box-sizing-on-container-horiz-1-ref.html
 == flexbox-box-sizing-on-container-vert-1.html flexbox-box-sizing-on-container-vert-1-ref.html
 == flexbox-box-sizing-on-items-horiz-1a.html flexbox-box-sizing-on-items-horiz-1-ref.html
 == flexbox-box-sizing-on-items-horiz-1b.html flexbox-box-sizing-on-items-horiz-1-ref.html
 == flexbox-box-sizing-on-items-vert-1a.html flexbox-box-sizing-on-items-vert-1-ref.html
@@ -96,17 +96,17 @@ fails == flexbox-inlinecontent-horiz-1b.
 == flexbox-intrinsic-sizing-horiz-1b.xhtml flexbox-intrinsic-sizing-horiz-1-ref.xhtml
 == flexbox-intrinsic-sizing-horiz-2a.xhtml flexbox-intrinsic-sizing-horiz-2-ref.xhtml
 == flexbox-intrinsic-sizing-horiz-2b.xhtml flexbox-intrinsic-sizing-horiz-2-ref.xhtml
 
 # Tests for invalidation after dynamic modifications
 == flexbox-invalidation-1.html flexbox-invalidation-1-ref.html
 
 # Tests for flexbox in an iframe that gets resized.
-skip-if(B2G||Mulet) fuzzy-if(skiaContent,1,5) == flexbox-resizeviewport-1.xhtml flexbox-resizeviewport-1-ref.xhtml # Initial mulet triage: parity with B2G/B2G Desktop
+fuzzy-if(skiaContent,1,5) == flexbox-resizeviewport-1.xhtml flexbox-resizeviewport-1-ref.xhtml
 
 # Tests for flexbox styling on things that don't support it
 == flexbox-styling-on-svg-1.svg flexbox-styling-on-svg-1-ref.svg
 
 # Tests with widgets as flex items
 fuzzy-if(gtkWidget,1,66) == flexbox-widget-flex-items-1.html flexbox-widget-flex-items-1-ref.html
 fuzzy-if(gtkWidget,1,74) == flexbox-widget-flex-items-2.html flexbox-widget-flex-items-2-ref.html
 skip-if(gtkWidget) == flexbox-widget-flex-items-3.html flexbox-widget-flex-items-3-ref.html # bug 1260965