--- a/layout/reftests/webcomponents/reftest.list
+++ b/layout/reftests/webcomponents/reftest.list
@@ -8,12 +8,12 @@ pref(dom.webcomponents.enabled,true) == 
 pref(dom.webcomponents.enabled,true) == adjacent-insertion-points-1.html adjacent-insertion-points-1-ref.html
 pref(dom.webcomponents.enabled,true) == adjacent-insertion-points-2.html adjacent-insertion-points-2-ref.html
 pref(dom.webcomponents.enabled,true) == fallback-content-1.html fallback-content-1-ref.html
 pref(dom.webcomponents.enabled,true) == remove-insertion-point-1.html remove-insertion-point-1-ref.html
 pref(dom.webcomponents.enabled,true) == nested-insertion-point-1.html nested-insertion-point-1-ref.html
 pref(dom.webcomponents.enabled,true) == basic-shadow-element-1.html basic-shadow-element-1-ref.html
 pref(dom.webcomponents.enabled,true) == nested-shadow-element-1.html nested-shadow-element-1-ref.html
 pref(dom.webcomponents.enabled,true) == update-dist-node-descendants-1.html update-dist-node-descendants-1-ref.html
-pref(dom.webcomponents.enabled,true) random-if((B2G&&browserIsRemote)||Mulet) == input-transition-1.html input-transition-1-ref.html # Failure on B2G emulator due to Bug 1018381 # Initial mulet triage: parity with B2G/B2G Desktop
+pref(dom.webcomponents.enabled,true) == input-transition-1.html input-transition-1-ref.html
 pref(dom.webcomponents.enabled,true) == dynamic-insertion-point-distribution-1.html dynamic-insertion-point-distribution-1-ref.html
 pref(dom.webcomponents.enabled,true) == dynamic-insertion-point-distribution-2.html dynamic-insertion-point-distribution-2-ref.html
 pref(dom.webcomponents.enabled,true) == remove-append-shadow-host-1.html remove-append-shadow-host-1-ref.html