diff --git a/media/engine/webrtc_voice_engine_unittest.cc b/media/engine/webrtc_voice_engine_unittest.cc
index d34383c0a2..1d82f0d2d0 100644
--- a/media/engine/webrtc_voice_engine_unittest.cc
+++ b/media/engine/webrtc_voice_engine_unittest.cc
@@ -764,7 +764,6 @@ class WebRtcVoiceEngineTestFake : public ::testing::Test {
 #endif
     EXPECT_EQ(apm_config_.echo_canceller.enabled, enabled);
     EXPECT_EQ(apm_config_.echo_canceller.mobile_mode, kDefaultUseAecm);
-    EXPECT_FALSE(apm_config_.echo_canceller.use_legacy_aec);
   }
 
   bool IsHighPassFilterEnabled() {
diff --git a/modules/audio_processing/audio_processing_impl.cc b/modules/audio_processing/audio_processing_impl.cc
index 4d9cdb4d65..d544304070 100644
--- a/modules/audio_processing/audio_processing_impl.cc
+++ b/modules/audio_processing/audio_processing_impl.cc
@@ -658,9 +658,6 @@ void AudioProcessingImpl::ApplyConfig(const AudioProcessing::Config& config) {
 
   config_ = config;
 
-  // Ensure that this deprecated setting is not used by mistake.
-  RTC_DCHECK(!config_.echo_canceller.use_legacy_aec);
-
   if (aec_config_changed) {
     InitializeEchoController();
   }
diff --git a/modules/audio_processing/include/audio_processing.cc b/modules/audio_processing/include/audio_processing.cc
index eccc365fc0..282f07a505 100644
--- a/modules/audio_processing/include/audio_processing.cc
+++ b/modules/audio_processing/include/audio_processing.cc
@@ -83,9 +83,8 @@ std::string AudioProcessing::Config::ToString() const {
           << " }, high_pass_filter: { enabled: " << high_pass_filter.enabled
           << " }, echo_canceller: { enabled: " << echo_canceller.enabled
           << ", mobile_mode: " << echo_canceller.mobile_mode
-          << ", legacy_moderate_suppression_level: "
-          << echo_canceller.legacy_moderate_suppression_level
-          << ", use_legacy_aec: " << echo_canceller.use_legacy_aec
+          << ", enforce_high_pass_filtering: "
+          << echo_canceller.enforce_high_pass_filtering
           << " }, noise_suppression: { enabled: " << noise_suppression.enabled
           << ", level: "
           << NoiseSuppressionLevelToString(noise_suppression.level)
diff --git a/modules/audio_processing/include/audio_processing.h b/modules/audio_processing/include/audio_processing.h
index 2340834278..2f679196b0 100644
--- a/modules/audio_processing/include/audio_processing.h
+++ b/modules/audio_processing/include/audio_processing.h
@@ -229,12 +229,6 @@ class RTC_EXPORT AudioProcessing : public rtc::RefCountInterface {
     struct EchoCanceller {
       bool enabled = false;
       bool mobile_mode = false;
-      // Recommended not to use. Will be removed in the future.
-      // TODO(peah): Remove.
-      bool legacy_moderate_suppression_level = false;
-      // Recommended not to use. Will be removed in the future.
-      // TODO(webrtc:11165): Remove.
-      bool use_legacy_aec = false;
       bool export_linear_aec_output = false;
       // Enforce the highpass filter to be on (has no effect for the mobile
       // mode).
diff --git a/modules/audio_processing/test/audio_processing_simulator.cc b/modules/audio_processing/test/audio_processing_simulator.cc
index 5677600fd0..89a9f134fc 100644
--- a/modules/audio_processing/test/audio_processing_simulator.cc
+++ b/modules/audio_processing/test/audio_processing_simulator.cc
@@ -437,7 +437,6 @@ void AudioProcessingSimulator::CreateAudioProcessor() {
   if (use_aec || use_aecm) {
     apm_config.echo_canceller.enabled = true;
     apm_config.echo_canceller.mobile_mode = use_aecm;
-    apm_config.echo_canceller.use_legacy_aec = false;
   }
   apm_config.echo_canceller.export_linear_aec_output =
       !!settings_.linear_aec_output_filename;