diff --git a/media/webrtc/signaling/gtest/audioconduit_unittests.cpp b/media/webrtc/signaling/gtest/audioconduit_unittests.cpp
index 1c0851c6f31d..f82bbaad2ca6 100644
--- a/media/webrtc/signaling/gtest/audioconduit_unittests.cpp
+++ b/media/webrtc/signaling/gtest/audioconduit_unittests.cpp
@@ -10,7 +10,6 @@
 #include "AudioConduit.h"
 #include "ConcreteConduitControl.h"
 #include "WaitFor.h"
-#include "WebrtcCallWrapper.h"
 
 #include "MockCall.h"
 
diff --git a/media/webrtc/signaling/gtest/jsep_session_unittest.cpp b/media/webrtc/signaling/gtest/jsep_session_unittest.cpp
index 7090c583cd9a..51448c4e20c0 100644
--- a/media/webrtc/signaling/gtest/jsep_session_unittest.cpp
+++ b/media/webrtc/signaling/gtest/jsep_session_unittest.cpp
@@ -7,7 +7,6 @@
 #include <iostream>
 #include <map>
 
-#include "nspr.h"
 #include "nss.h"
 #include "ssl.h"
 
@@ -24,7 +23,6 @@
 #include "jsep/JsepTrack.h"
 #include "jsep/JsepSession.h"
 #include "jsep/JsepSessionImpl.h"
-#include "jsep/JsepTrack.h"
 
 namespace mozilla {
 static std::string kAEqualsCandidate("a=candidate:");
diff --git a/media/webrtc/signaling/gtest/mediapipeline_unittest.cpp b/media/webrtc/signaling/gtest/mediapipeline_unittest.cpp
index caee314910d2..db34d01c3e32 100644
--- a/media/webrtc/signaling/gtest/mediapipeline_unittest.cpp
+++ b/media/webrtc/signaling/gtest/mediapipeline_unittest.cpp
@@ -4,35 +4,26 @@
 
 // Original author: ekr@rtfm.com
 
-#include <iostream>
 
 #include "logging.h"
 #include "nss.h"
+#include "ssl.h"
 
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "api/scoped_refptr.h"
-#include "call/call.h"
 #include "AudioSegment.h"
-#include "AudioStreamTrack.h"
 #include "ConcreteConduitControl.h"
 #include "modules/audio_device/include/fake_audio_device.h"
 #include "modules/audio_mixer/audio_mixer_impl.h"
 #include "modules/audio_processing/include/audio_processing.h"
 #include "mozilla/Mutex.h"
 #include "mozilla/RefPtr.h"
-#include "mozilla/ResultVariant.h"
 #include "mozilla/SpinEventLoopUntil.h"
 #include "MediaPipeline.h"
 #include "MediaPipelineFilter.h"
 #include "MediaTrackGraph.h"
 #include "MediaTrackListener.h"
-#include "MediaStreamTrack.h"
 #include "TaskQueueWrapper.h"
-#include "transportflow.h"
-#include "transportlayerloopback.h"
-#include "transportlayerdtls.h"
-#include "transportlayersrtp.h"
-#include "mozilla/SyncRunnable.h"
 #include "mtransport_test_utils.h"
 #include "SharedBuffer.h"
 #include "MediaTransportHandler.h"
diff --git a/media/webrtc/signaling/gtest/sdp_unittests.cpp b/media/webrtc/signaling/gtest/sdp_unittests.cpp
index d8c4c43fedbc..49c79266dea0 100644
--- a/media/webrtc/signaling/gtest/sdp_unittests.cpp
+++ b/media/webrtc/signaling/gtest/sdp_unittests.cpp
@@ -4,19 +4,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#include "timecard.h"
-
 #include <string>
-#include <sstream>
 
 #define GTEST_HAS_RTTI 0
 #include "gtest/gtest.h"
 
-#include "nspr.h"
 #include "nss.h"
 #include "ssl.h"
 
-#include "nsThreadUtils.h"
 
 #include "sdp/RsdparsaSdpParser.h"
 #include "sdp/SipccSdpParser.h"