--- a/dom/animation/test/mochitest.ini
+++ b/dom/animation/test/mochitest.ini
@@ -51,37 +51,34 @@ support-files =
 [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]
 [mozilla/test_cascade.html]
 [mozilla/test_cubic_bezier_limits.html]
 [mozilla/test_deferred_start.html]
-skip-if = (toolkit == 'android' && debug) || (os == 'win' && bits == 64) || webrender # Bug 1363957; bug 1424752 for webrender
+skip-if = (toolkit == 'android' && debug) || (os == 'win' && bits == 64) # Bug 1363957
 [mozilla/test_disable_animations_api_core.html]
 [mozilla/test_disabled_properties.html]
 [mozilla/test_discrete_animations.html]
 [mozilla/test_distance_of_basic_shape.html]
 [mozilla/test_distance_of_filter.html]
 [mozilla/test_distance_of_transform.html]
 [mozilla/test_document_timeline_origin_time_range.html]
 [mozilla/test_hide_and_show.html]
 [mozilla/test_moz_prefixed_properties.html]
 [mozilla/test_restyles.html]
-skip-if = webrender # bug 1424752
 [mozilla/test_restyling_xhr_doc.html]
 [mozilla/test_set_easing.html]
 [mozilla/test_transform_limits.html]
 [mozilla/test_transition_finish_on_compositor.html]
-skip-if = toolkit == 'android' || webrender # bug 1424752 for webrender
+skip-if = toolkit == 'android'
 [mozilla/test_underlying_discrete_value.html]
 [mozilla/test_event_listener_leaks.html]
 [style/test_animation-seeking-with-current-time.html]
 [style/test_animation-seeking-with-start-time.html]
 [style/test_animation-setting-effect.html]
 [style/test_composite.html]
-skip-if = webrender # bug 1424752
 [style/test_interpolation-from-interpolatematrix-to-none.html]
 [style/test_missing-keyframe.html]
 [style/test_missing-keyframe-on-compositor.html]
-skip-if = webrender # bug 1424752
 [style/test_transform-non-normalizable-rotate3d.html]

--- a/layout/style/test/mochitest.ini
+++ b/layout/style/test/mochitest.ini
@@ -47,35 +47,32 @@ support-files = additional_sheets_helper
 [test_align_justify_computed_values.html]
 [test_all_shorthand.html]
 [test_animations.html]
 skip-if = (toolkit == 'android')
 [test_animations_async_tests.html]
 support-files = Ahem.ttf file_animations_async_tests.html
 [test_animations_dynamic_changes.html]
 [test_animations_effect_timing_duration.html]
-skip-if = webrender # bug 1424752
 [test_animations_effect_timing_enddelay.html]
 skip-if = webrender # bug 1424752
 [test_animations_effect_timing_iterations.html]
 skip-if = webrender # bug 1424752
 [test_animations_event_order.html]
 [test_animations_event_handler_attribute.html]
 [test_animations_iterationstart.html]
 skip-if = webrender # bug 1424752
 [test_animations_omta.html]
 skip-if = webrender # bug 1424752
 [test_animations_omta_start.html]
-skip-if = webrender # bug 1424752
 [test_animations_pausing.html]
 skip-if = webrender # bug 1424752
 [test_animations_playbackrate.html]
 skip-if = webrender # bug 1424752
 [test_animations_reverse.html]
-skip-if = webrender # bug 1424752
 [test_animations_styles_on_event.html]
 [test_animations_variable_changes.html]
 [test_animations_with_disabled_properties.html]
 support-files = file_animations_with_disabled_properties.html
 [test_any_dynamic.html]
 [test_asyncopen2.html]
 [test_at_rule_parse_serialize.html]
 [test_attribute_selector_eof_behavior.html]
@@ -323,17 +320,17 @@ support-files = file_specified_value_ser
 [test_transitions_computed_values.html]
 [test_transitions_computed_value_combinations.html]
 [test_transitions_events.html]
 [test_transitions.html]
 skip-if = (android_version == '18' && debug) # bug 1159532
 [test_transitions_bug537151.html]
 [test_transitions_dynamic_changes.html]
 [test_transitions_per_property.html]
-skip-if = (toolkit == 'android') || webrender # bug 775227 for android, bug 1424752 for webrender
+skip-if = (toolkit == 'android') # bug 775227 for android
 [test_transitions_replacement_on_busy_frame.html]
 [test_transitions_step_functions.html]
 [test_transitions_with_disabled_properties.html]
 support-files = file_transitions_with_disabled_properties.html
 [test_unclosed_parentheses.html]
 [test_unicode_range_loading.html]
 support-files = ../../reftests/fonts/markA.woff ../../reftests/fonts/markB.woff ../../reftests/fonts/markC.woff ../../reftests/fonts/markD.woff
 [test_units_angle.html]