diff --git a/dom/media/test/crashtests/crashtests.list b/dom/media/test/crashtests/crashtests.list
index 316d48671fba..d1711c20e848 100644
--- a/dom/media/test/crashtests/crashtests.list
+++ b/dom/media/test/crashtests/crashtests.list
@@ -50,11 +50,9 @@ load 880384.html
 load 880404.html
 skip-if(verify&&isDebugBuild&&gtkWidget) load 880724.html
 load 881775.html
-load 882549.html
 load 882956.html
 load 884459.html
 skip-if(verify&&isDebugBuild&&gtkWidget) load 889042.html
-load 894104.html
 load 907986-1.html
 load 907986-2.html
 load 907986-3.html
@@ -88,8 +86,6 @@ load 1185192.html
 skip-if(Android) load 1257700.html # bug 1575666
 load 1267263.html
 load 1270303.html
-load 1304948.html
-load 1319486.html
 skip-if(verify&&isDebugBuild&&gtkWidget) load 1368490.html
 skip-if(verify&&isDebugBuild&&gtkWidget) load 1291702.html
 load 1378826.html
@@ -123,7 +119,6 @@ skip-if(Android) load 1526044.html # Bug 1528391
 skip-if(Android&&AndroidVersion<21) load encrypted-track-with-bad-sample-description-index.mp4 # Bug 1533211, unkip after bug 1550912
 load encrypted-track-without-tenc.mp4 # Bug 1533215
 asserts-if(Android,0-1) load encrypted-track-with-sample-missing-cenc-aux.mp4 # Bug 1533625, bug 1588967
-load 1533909.html
 load 1538727.html
 load empty-samples.webm # Bug 1540580
 test-pref(media.autoplay.block-webaudio,false) load 1545133.html
diff --git a/dom/media/webvtt/moz.build b/dom/media/webvtt/moz.build
index 8cc5260bec53..cb09ec06b10e 100644
--- a/dom/media/webvtt/moz.build
+++ b/dom/media/webvtt/moz.build
@@ -47,4 +47,6 @@ MOCHITEST_MANIFESTS += ["test/mochitest/mochitest.ini"]
 
 REFTEST_MANIFESTS += ["test/reftest/reftest.list"]
 
+CRASHTEST_MANIFESTS += ["test/crashtests/crashtests.list"]
+
 FINAL_LIBRARY = "xul"
diff --git a/dom/media/test/crashtests/1304948.html b/dom/media/webvtt/test/crashtests/1304948.html
similarity index 100%
rename from dom/media/test/crashtests/1304948.html
rename to dom/media/webvtt/test/crashtests/1304948.html
diff --git a/dom/media/test/crashtests/1319486.html b/dom/media/webvtt/test/crashtests/1319486.html
similarity index 100%
rename from dom/media/test/crashtests/1319486.html
rename to dom/media/webvtt/test/crashtests/1319486.html
diff --git a/dom/media/test/crashtests/1533909.html b/dom/media/webvtt/test/crashtests/1533909.html
similarity index 100%
rename from dom/media/test/crashtests/1533909.html
rename to dom/media/webvtt/test/crashtests/1533909.html
diff --git a/dom/media/test/crashtests/882549.html b/dom/media/webvtt/test/crashtests/882549.html
similarity index 100%
rename from dom/media/test/crashtests/882549.html
rename to dom/media/webvtt/test/crashtests/882549.html
diff --git a/dom/media/test/crashtests/894104.html b/dom/media/webvtt/test/crashtests/894104.html
similarity index 100%
rename from dom/media/test/crashtests/894104.html
rename to dom/media/webvtt/test/crashtests/894104.html
diff --git a/dom/media/webvtt/test/crashtests/crashtests.list b/dom/media/webvtt/test/crashtests/crashtests.list
new file mode 100644
index 000000000000..c9776984bc2d
--- /dev/null
+++ b/dom/media/webvtt/test/crashtests/crashtests.list
@@ -0,0 +1,5 @@
+load 1304948.html
+load 1319486.html
+load 1533909.html
+load 882549.html
+load 894104.html
diff --git a/testing/crashtest/crashtests.list b/testing/crashtest/crashtests.list
index 66a3c86e23cc..c2a83134d15b 100644
--- a/testing/crashtest/crashtests.list
+++ b/testing/crashtest/crashtests.list
@@ -21,6 +21,7 @@ include ../../dom/jsurl/crashtests/crashtests.list
 include ../../dom/mathml/crashtests/crashtests.list
 include ../../dom/media/mediasource/test/crashtests/crashtests.list
 include ../../dom/media/test/crashtests/crashtests.list
+include ../../dom/media/webvtt/test/crashtests/crashtests.list
 skip-if(!webrtc) include ../../dom/media/tests/crashtests/crashtests.list
 include ../../dom/media/webspeech/synth/crashtests/crashtests.list
 include ../../dom/offline/crashtests/crashtests.list