diff --git a/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.h b/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.h
index 6184cdc114..515af1efc9 100644
--- a/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.h
+++ b/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.h
@@ -33,9 +33,7 @@ struct RobustThroughputEstimatorSettings {
   explicit RobustThroughputEstimatorSettings(
       const FieldTrialsView* key_value_config);
 
-  // Set `enabled` to true to use the RobustThroughputEstimator, false to use
-  // the AcknowledgedBitrateEstimator.
-  bool enabled = true;
+  bool enabled = false;  // Set to true to use RobustThroughputEstimator.
 
   // The estimator keeps the smallest window containing at least
   // `window_packets` and at least the packets received during the last
diff --git a/modules/congestion_controller/goog_cc/robust_throughput_estimator_unittest.cc b/modules/congestion_controller/goog_cc/robust_throughput_estimator_unittest.cc
index f41ee7f3d6..9a013aa6d0 100644
--- a/modules/congestion_controller/goog_cc/robust_throughput_estimator_unittest.cc
+++ b/modules/congestion_controller/goog_cc/robust_throughput_estimator_unittest.cc
@@ -63,19 +63,6 @@ class FeedbackGenerator {
   uint16_t sequence_number_ = 100;
 };
 
-TEST(RobustThroughputEstimatorTest, DefaultEnabled) {
-  RobustThroughputEstimatorSettings settings =
-      CreateRobustThroughputEstimatorSettings("");
-  EXPECT_TRUE(settings.enabled);
-}
-
-TEST(RobustThroughputEstimatorTest, CanDisable) {
-  RobustThroughputEstimatorSettings settings =
-      CreateRobustThroughputEstimatorSettings(
-          "WebRTC-Bwe-RobustThroughputEstimatorSettings/enabled:false/");
-  EXPECT_FALSE(settings.enabled);
-}
-
 TEST(RobustThroughputEstimatorTest, InitialEstimate) {
   FeedbackGenerator feedback_generator;
   RobustThroughputEstimator throughput_estimator(