diff --git a/modules/rtp_rtcp/source/rtp_sender_audio.cc b/modules/rtp_rtcp/source/rtp_sender_audio.cc
index 2125295886..207d1ca045 100644
--- a/modules/rtp_rtcp/source/rtp_sender_audio.cc
+++ b/modules/rtp_rtcp/source/rtp_sender_audio.cc
@@ -60,8 +60,8 @@ RTPSenderAudio::RTPSenderAudio(Clock* clock, RTPSender* rtp_sender)
       rtp_sender_(rtp_sender),
       absolute_capture_time_sender_(clock),
       include_capture_clock_offset_(
-          absl::StartsWith(field_trials_.Lookup(kIncludeCaptureClockOffset),
-                           "Enabled")) {
+          !absl::StartsWith(field_trials_.Lookup(kIncludeCaptureClockOffset),
+                            "Disabled")) {
   RTC_DCHECK(clock_);
 }
 
diff --git a/modules/rtp_rtcp/source/rtp_sender_audio_unittest.cc b/modules/rtp_rtcp/source/rtp_sender_audio_unittest.cc
index baa392281b..52880b9a59 100644
--- a/modules/rtp_rtcp/source/rtp_sender_audio_unittest.cc
+++ b/modules/rtp_rtcp/source/rtp_sender_audio_unittest.cc
@@ -148,7 +148,16 @@ TEST_F(RtpSenderAudioTest, SendAudioWithoutAbsoluteCaptureTime) {
                    .HasExtension<AbsoluteCaptureTimeExtension>());
 }
 
+// Essentially the same test as
+// SendAudioWithAbsoluteCaptureTimeWithCaptureClockOffset but with a field
+// trial. We will remove this test eventually.
 TEST_F(RtpSenderAudioTest, SendAudioWithAbsoluteCaptureTime) {
+  // Recreate rtp_sender_audio_ with new field trial.
+  test::ScopedFieldTrials field_trial(
+      "WebRTC-IncludeCaptureClockOffset/Disabled/");
+  rtp_sender_audio_ =
+      std::make_unique<RTPSenderAudio>(&fake_clock_, rtp_module_->RtpSender());
+
   rtp_module_->RegisterRtpHeaderExtension(AbsoluteCaptureTimeExtension::Uri(),
                                           kAbsoluteCaptureTimeExtensionId);
   constexpr uint32_t kAbsoluteCaptureTimestampMs = 521;
@@ -174,17 +183,8 @@ TEST_F(RtpSenderAudioTest, SendAudioWithAbsoluteCaptureTime) {
       absolute_capture_time->estimated_capture_clock_offset.has_value());
 }
 
-// Essentially the same test as SendAudioWithAbsoluteCaptureTime but with a
-// field trial. After the field trial is experimented, we will remove
-// SendAudioWithAbsoluteCaptureTime.
 TEST_F(RtpSenderAudioTest,
        SendAudioWithAbsoluteCaptureTimeWithCaptureClockOffset) {
-  // Recreate rtp_sender_audio_ wieh new field trial.
-  test::ScopedFieldTrials field_trial(
-      "WebRTC-IncludeCaptureClockOffset/Enabled/");
-  rtp_sender_audio_ =
-      std::make_unique<RTPSenderAudio>(&fake_clock_, rtp_module_->RtpSender());
-
   rtp_module_->RegisterRtpHeaderExtension(AbsoluteCaptureTimeExtension::Uri(),
                                           kAbsoluteCaptureTimeExtensionId);
   constexpr uint32_t kAbsoluteCaptureTimestampMs = 521;
diff --git a/modules/rtp_rtcp/source/rtp_sender_video.cc b/modules/rtp_rtcp/source/rtp_sender_video.cc
index b8d9b65546..906f2bca76 100644
--- a/modules/rtp_rtcp/source/rtp_sender_video.cc
+++ b/modules/rtp_rtcp/source/rtp_sender_video.cc
@@ -175,9 +175,9 @@ RTPSenderVideo::RTPSenderVideo(const Config& config)
                     rtp_sender_->SSRC(),
                     config.send_transport_queue)
               : nullptr),
-      include_capture_clock_offset_(absl::StartsWith(
+      include_capture_clock_offset_(!absl::StartsWith(
           config.field_trials->Lookup(kIncludeCaptureClockOffset),
-          "Enabled")) {
+          "Disabled")) {
   if (frame_transformer_delegate_)
     frame_transformer_delegate_->Init();
 }
diff --git a/modules/rtp_rtcp/source/rtp_sender_video_unittest.cc b/modules/rtp_rtcp/source/rtp_sender_video_unittest.cc
index ffdd0d8f6c..78e842da7e 100644
--- a/modules/rtp_rtcp/source/rtp_sender_video_unittest.cc
+++ b/modules/rtp_rtcp/source/rtp_sender_video_unittest.cc
@@ -159,7 +159,7 @@ class FieldTrials : public WebRtcKeyValueConfig {
     if (key == "WebRTC-SendSideBwe-WithOverhead") {
       return use_send_side_bwe_with_overhead_ ? "Enabled" : "";
     } else if (key == "WebRTC-IncludeCaptureClockOffset") {
-      return include_capture_clock_offset_ ? "Enabled" : "";
+      return include_capture_clock_offset_ ? "" : "Disabled";
     }
     return "";
   }