--- a/dom/animation/test/chrome.ini
+++ b/dom/animation/test/chrome.ini
@@ -10,9 +10,8 @@ support-files =
 # over HTTP
 [chrome/test_animation_observers.html]
 [chrome/test_animation_performance_warning.html]
 [chrome/test_animation_properties.html]
 [chrome/test_generated_content_getAnimations.html]
 [chrome/test_observers_for_sync_api.html]
 [chrome/test_restyles.html]
 [chrome/test_running_on_compositor.html]
-skip-if = buildapp == 'b2g'

--- a/dom/animation/test/mochitest.ini
+++ b/dom/animation/test/mochitest.ini
@@ -67,41 +67,37 @@ support-files =
 [css-animations/test_animation-playstate.html]
 [css-animations/test_animation-ready.html]
 [css-animations/test_animation-reverse.html]
 [css-animations/test_animation-starttime.html]
 [css-animations/test_cssanimation-animationname.html]
 [css-animations/test_document-get-animations.html]
 [css-animations/test_effect-target.html]
 [css-animations/test_element-get-animations.html]
-skip-if = buildapp == 'mulet'
 [css-animations/test_keyframeeffect-getkeyframes.html]
 [css-animations/test_pseudoElement-get-animations.html]
 [css-transitions/test_animation-cancel.html]
 [css-transitions/test_animation-computed-timing.html]
 [css-transitions/test_animation-currenttime.html]
 [css-transitions/test_animation-finished.html]
 [css-transitions/test_animation-pausing.html]
 [css-transitions/test_animation-ready.html]
 [css-transitions/test_animation-starttime.html]
 [css-transitions/test_csstransition-events.html]
 [css-transitions/test_csstransition-transitionproperty.html]
 [css-transitions/test_document-get-animations.html]
 [css-transitions/test_effect-target.html]
 [css-transitions/test_element-get-animations.html]
-skip-if = buildapp == 'mulet'
 [css-transitions/test_keyframeeffect-getkeyframes.html]
 [css-transitions/test_pseudoElement-get-animations.html]
 [css-transitions/test_setting-effect.html]
 [document-timeline/test_document-timeline.html]
 [document-timeline/test_request_animation_frame.html]
-skip-if = buildapp == 'mulet'
 [mozilla/test_cubic_bezier_limits.html]
 [mozilla/test_deferred_start.html]
-skip-if = (toolkit == 'gonk' && debug)
 [mozilla/test_disable_animations_api_core.html]
 [mozilla/test_disabled_properties.html]
 [mozilla/test_document-timeline-origin-time-range.html]
 [mozilla/test_hide_and_show.html]
 [mozilla/test_partial_keyframes.html]
 [mozilla/test_set-easing.html]
 [mozilla/test_spacing_property_order.html]
 [mozilla/test_spacing_transform.html]