diff --git a/dom/media/tests/mochitest/mochitest.ini b/dom/media/tests/mochitest/mochitest.ini
index 8bf05c2b49e7..f3d27774a3a8 100644
--- a/dom/media/tests/mochitest/mochitest.ini
+++ b/dom/media/tests/mochitest/mochitest.ini
@@ -45,7 +45,6 @@ skip-if = (toolkit == 'gonk' && debug) # debug-only failure
 [test_getUserMedia_stopVideoStream.html]
 [test_getUserMedia_stopVideoStreamWithFollowupVideo.html]
 [test_getUserMedia_peerIdentity.html]
-skip-if = toolkit == 'gonk' # b2g(Bug 1021776, too --ing slow on b2g)
 [test_peerConnection_addCandidateInHaveLocalOffer.html]
 [test_peerConnection_basicAudio.html]
 skip-if = (toolkit == 'gonk' && debug) # Bug 962984, test fail on b2g debug build