diff --git a/webrtc/media/engine/webrtcvideoengine2.cc b/webrtc/media/engine/webrtcvideoengine2.cc
index 2dec8f43b6..ea1926b388 100644
--- a/webrtc/media/engine/webrtcvideoengine2.cc
+++ b/webrtc/media/engine/webrtcvideoengine2.cc
@@ -580,11 +580,9 @@ RtpCapabilities WebRtcVideoEngine2::GetCapabilities() const {
   capabilities.header_extensions.push_back(
       webrtc::RtpExtension(webrtc::RtpExtension::kVideoRotationUri,
                            webrtc::RtpExtension::kVideoRotationDefaultId));
-  if (webrtc::field_trial::FindFullName("WebRTC-SendSideBwe") == "Enabled") {
-    capabilities.header_extensions.push_back(webrtc::RtpExtension(
-        webrtc::RtpExtension::kTransportSequenceNumberUri,
-        webrtc::RtpExtension::kTransportSequenceNumberDefaultId));
-  }
+  capabilities.header_extensions.push_back(webrtc::RtpExtension(
+      webrtc::RtpExtension::kTransportSequenceNumberUri,
+      webrtc::RtpExtension::kTransportSequenceNumberDefaultId));
   capabilities.header_extensions.push_back(
       webrtc::RtpExtension(webrtc::RtpExtension::kPlayoutDelayUri,
                            webrtc::RtpExtension::kPlayoutDelayDefaultId));
diff --git a/webrtc/media/engine/webrtcvideoengine2_unittest.cc b/webrtc/media/engine/webrtcvideoengine2_unittest.cc
index 26b13ed398..05f5bf38d9 100644
--- a/webrtc/media/engine/webrtcvideoengine2_unittest.cc
+++ b/webrtc/media/engine/webrtcvideoengine2_unittest.cc
@@ -200,14 +200,7 @@ TEST_F(WebRtcVideoEngine2Test, SupportsAbsoluteSenderTimeHeaderExtension) {
   FAIL() << "Absolute Sender Time extension not in header-extension list.";
 }
 
-class WebRtcVideoEngine2WithSendSideBweTest : public WebRtcVideoEngine2Test {
- public:
-  WebRtcVideoEngine2WithSendSideBweTest()
-      : WebRtcVideoEngine2Test("WebRTC-SendSideBwe/Enabled/") {}
-};
-
-TEST_F(WebRtcVideoEngine2WithSendSideBweTest,
-       SupportsTransportSequenceNumberHeaderExtension) {
+TEST_F(WebRtcVideoEngine2Test, SupportsTransportSequenceNumberHeaderExtension) {
   RtpCapabilities capabilities = engine_.GetCapabilities();
   ASSERT_FALSE(capabilities.header_extensions.empty());
   for (const RtpExtension& extension : capabilities.header_extensions) {
@@ -1293,19 +1286,11 @@ TEST_F(WebRtcVideoChannel2Test, FiltersExtensionsPicksAbsSendTime) {
   TestExtensionFilter(extensions, RtpExtension::kAbsSendTimeUri);
 }
 
-class WebRtcVideoChannel2WithSendSideBweTest : public WebRtcVideoChannel2Test {
- public:
-  WebRtcVideoChannel2WithSendSideBweTest()
-      : WebRtcVideoChannel2Test("WebRTC-SendSideBwe/Enabled/") {}
-};
-
 // Test support for transport sequence number header extension.
-TEST_F(WebRtcVideoChannel2WithSendSideBweTest,
-       SendTransportSequenceNumberHeaderExtensions) {
+TEST_F(WebRtcVideoChannel2Test, SendTransportSequenceNumberHeaderExtensions) {
   TestSetSendRtpHeaderExtensions(RtpExtension::kTransportSequenceNumberUri);
 }
-TEST_F(WebRtcVideoChannel2WithSendSideBweTest,
-       RecvTransportSequenceNumberHeaderExtensions) {
+TEST_F(WebRtcVideoChannel2Test, RecvTransportSequenceNumberHeaderExtensions) {
   TestSetRecvRtpHeaderExtensions(RtpExtension::kTransportSequenceNumberUri);
 }
 
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm b/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
index 38c293f0ec..6e4230de88 100644
--- a/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
+++ b/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
@@ -16,15 +16,10 @@
 
 #include "webrtc/system_wrappers/include/field_trial_default.h"
 
-static NSString * const kRTCEnableSendSideBweString =
-    @"WebRTC-SendSideBwe/Enabled/";
 static std::unique_ptr<char[]> gFieldTrialInitString;
 
 void RTCInitFieldTrials(RTCFieldTrialOptions options) {
   NSMutableString *fieldTrialInitString = [NSMutableString string];
-  if (options & RTCFieldTrialOptionsSendSideBwe) {
-    [fieldTrialInitString appendString:kRTCEnableSendSideBweString];
-  }
   size_t len = fieldTrialInitString.length + 1;
   gFieldTrialInitString.reset(new char[len]);
   if (![fieldTrialInitString getCString:gFieldTrialInitString.get()