diff --git a/audio/BUILD.gn b/audio/BUILD.gn
index 488d62d0e5..82c64821f2 100644
--- a/audio/BUILD.gn
+++ b/audio/BUILD.gn
@@ -149,7 +149,6 @@ if (rtc_include_tests) {
       "../modules/audio_mixer:audio_mixer_impl",
       "../modules/audio_processing:audio_processing_statistics",
       "../modules/audio_processing:mocks",
-      "../modules/bitrate_controller:mocks",
       "../modules/pacing:pacing",
       "../modules/rtp_rtcp:mock_rtp_rtcp",
       "../modules/rtp_rtcp:rtp_rtcp_format",
diff --git a/audio/audio_receive_stream_unittest.cc b/audio/audio_receive_stream_unittest.cc
index 1ba9b69c77..76ebeae4d4 100644
--- a/audio/audio_receive_stream_unittest.cc
+++ b/audio/audio_receive_stream_unittest.cc
@@ -22,7 +22,6 @@
 #include "logging/rtc_event_log/mock/mock_rtc_event_log.h"
 #include "modules/audio_device/include/mock_audio_device.h"
 #include "modules/audio_processing/include/mock_audio_processing.h"
-#include "modules/bitrate_controller/include/mock/mock_bitrate_controller.h"
 #include "modules/pacing/packet_router.h"
 #include "modules/rtp_rtcp/source/byte_io.h"
 #include "rtc_base/time_utils.h"
diff --git a/modules/bitrate_controller/BUILD.gn b/modules/bitrate_controller/BUILD.gn
index 0767c56ace..1f013f89db 100644
--- a/modules/bitrate_controller/BUILD.gn
+++ b/modules/bitrate_controller/BUILD.gn
@@ -53,17 +53,6 @@ rtc_static_library("bitrate_controller") {
 }
 
 if (rtc_include_tests) {
-  rtc_source_set("mocks") {
-    testonly = true
-    sources = [
-      "include/mock/mock_bitrate_controller.h",
-    ]
-    deps = [
-      ":bitrate_controller",
-      "../../test:test_support",
-    ]
-  }
-
   rtc_source_set("bitrate_controller_unittests") {
     testonly = true
 
diff --git a/modules/bitrate_controller/include/mock/mock_bitrate_controller.h b/modules/bitrate_controller/include/mock/mock_bitrate_controller.h
deleted file mode 100644
index d33f07b216..0000000000
--- a/modules/bitrate_controller/include/mock/mock_bitrate_controller.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef MODULES_BITRATE_CONTROLLER_INCLUDE_MOCK_MOCK_BITRATE_CONTROLLER_H_
-#define MODULES_BITRATE_CONTROLLER_INCLUDE_MOCK_MOCK_BITRATE_CONTROLLER_H_
-
-#include "modules/bitrate_controller/include/bitrate_controller.h"
-#include "test/gmock.h"
-
-namespace webrtc {
-namespace test {
-
-class MockBitrateObserver : public BitrateObserver {
- public:
-  MOCK_METHOD3(OnNetworkChanged,
-               void(uint32_t bitrate_bps,
-                    uint8_t fraction_loss,
-                    int64_t rtt_ms));
-};
-
-class MockBitrateController : public BitrateController {
- public:
-  MOCK_METHOD0(CreateRtcpBandwidthObserver, RtcpBandwidthObserver*());
-  MOCK_METHOD1(SetStartBitrate, void(int start_bitrate_bps));
-  MOCK_METHOD2(SetMinMaxBitrate,
-               void(int min_bitrate_bps, int max_bitrate_bps));
-  MOCK_METHOD3(SetBitrates,
-               void(int start_bitrate_bps,
-                    int min_bitrate_bps,
-                    int max_bitrate_bps));
-  MOCK_METHOD3(ResetBitrates,
-               void(int bitrate_bps, int min_bitrate_bps, int max_bitrate_bps));
-  MOCK_METHOD1(UpdateDelayBasedEstimate, void(uint32_t bitrate_bps));
-  MOCK_METHOD1(UpdateProbeBitrate, void(uint32_t bitrate_bps));
-  MOCK_METHOD1(SetEventLog, void(RtcEventLog* event_log));
-  MOCK_CONST_METHOD1(AvailableBandwidth, bool(uint32_t* bandwidth));
-  MOCK_METHOD3(GetNetworkParameters,
-               bool(uint32_t* bitrate, uint8_t* fraction_loss, int64_t* rtt));
-
-  MOCK_METHOD0(Process, void());
-  MOCK_METHOD0(TimeUntilNextProcess, int64_t());
-};
-}  // namespace test
-}  // namespace webrtc
-
-#endif  // MODULES_BITRATE_CONTROLLER_INCLUDE_MOCK_MOCK_BITRATE_CONTROLLER_H_
diff --git a/modules/congestion_controller/BUILD.gn b/modules/congestion_controller/BUILD.gn
index 194464d7ee..0a9943310b 100644
--- a/modules/congestion_controller/BUILD.gn
+++ b/modules/congestion_controller/BUILD.gn
@@ -120,7 +120,6 @@ if (rtc_include_tests) {
       "../../test:field_trial",
       "../../test:test_support",
       "../bitrate_controller:bitrate_controller",
-      "../bitrate_controller:mocks",
       "../pacing:mock_paced_sender",
       "../pacing:pacing",
       "../remote_bitrate_estimator:remote_bitrate_estimator",
diff --git a/modules/congestion_controller/rtp/BUILD.gn b/modules/congestion_controller/rtp/BUILD.gn
index ce792105a1..d3c705c7c7 100644
--- a/modules/congestion_controller/rtp/BUILD.gn
+++ b/modules/congestion_controller/rtp/BUILD.gn
@@ -91,7 +91,6 @@ if (rtc_include_tests) {
       "../../../system_wrappers",
       "../../../test:field_trial",
       "../../../test:test_support",
-      "../../bitrate_controller:mocks",
       "../../pacing:mock_paced_sender",
       "../../pacing:pacing",
       "../../remote_bitrate_estimator:remote_bitrate_estimator",
diff --git a/modules/congestion_controller/rtp/transport_feedback_adapter_unittest.cc b/modules/congestion_controller/rtp/transport_feedback_adapter_unittest.cc
index e48ac5984d..fe982e241f 100644
--- a/modules/congestion_controller/rtp/transport_feedback_adapter_unittest.cc
+++ b/modules/congestion_controller/rtp/transport_feedback_adapter_unittest.cc
@@ -12,7 +12,6 @@
 #include <memory>
 #include <vector>
 
-#include "modules/bitrate_controller/include/mock/mock_bitrate_controller.h"
 #include "modules/congestion_controller/rtp/congestion_controller_unittests_helper.h"
 #include "modules/congestion_controller/rtp/transport_feedback_adapter.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
diff --git a/modules/congestion_controller/transport_feedback_adapter_unittest.cc b/modules/congestion_controller/transport_feedback_adapter_unittest.cc
index dc4eab13d6..eca4a94e65 100644
--- a/modules/congestion_controller/transport_feedback_adapter_unittest.cc
+++ b/modules/congestion_controller/transport_feedback_adapter_unittest.cc
@@ -12,7 +12,6 @@
 #include <memory>
 #include <vector>
 
-#include "modules/bitrate_controller/include/mock/mock_bitrate_controller.h"
 #include "modules/congestion_controller/rtp/congestion_controller_unittests_helper.h"
 #include "modules/congestion_controller/transport_feedback_adapter.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"