diff --git a/webrtc/modules/audio_processing/aec3/echo_canceller3.cc b/webrtc/modules/audio_processing/aec3/echo_canceller3.cc
index 3175c5414c..c85116d72c 100644
--- a/webrtc/modules/audio_processing/aec3/echo_canceller3.cc
+++ b/webrtc/modules/audio_processing/aec3/echo_canceller3.cc
@@ -334,7 +334,7 @@ std::string EchoCanceller3::ToString(
 
 bool EchoCanceller3::Validate(
     const AudioProcessing::Config::EchoCanceller3& config) {
-  return (config.echo_decay >= 0.f && config.echo_decay < 1.f);
+  return true;
 }
 
 void EchoCanceller3::EmptyRenderQueue() {
diff --git a/webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc b/webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc
index 376cf1edfb..3a4550077d 100644
--- a/webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc
+++ b/webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc
@@ -684,17 +684,7 @@ TEST(EchoCanceller3Messaging, EchoLeakage) {
 
 TEST(EchoCanceller3, ConfigValidation) {
   AudioProcessing::Config::EchoCanceller3 config;
-
-  config.echo_decay = 0.f;
   EXPECT_TRUE(EchoCanceller3::Validate(config));
-  config.echo_decay = 0.9f;
-  EXPECT_TRUE(EchoCanceller3::Validate(config));
-  config.echo_decay = -0.1f;
-  EXPECT_FALSE(EchoCanceller3::Validate(config));
-  config.echo_decay = 1.0f;
-  EXPECT_FALSE(EchoCanceller3::Validate(config));
-  config.echo_decay = 1.1f;
-  EXPECT_FALSE(EchoCanceller3::Validate(config));
 }
 
 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
diff --git a/webrtc/modules/audio_processing/aec3/echo_remover.cc b/webrtc/modules/audio_processing/aec3/echo_remover.cc
index 0c6184e3bb..9828192b91 100644
--- a/webrtc/modules/audio_processing/aec3/echo_remover.cc
+++ b/webrtc/modules/audio_processing/aec3/echo_remover.cc
@@ -104,7 +104,7 @@ EchoRemoverImpl::EchoRemoverImpl(
       suppression_gain_(optimization_),
       cng_(optimization_),
       suppression_filter_(sample_rate_hz_),
-      aec_state_(config.echo_decay) {
+      aec_state_(0.8f) {
   RTC_DCHECK(ValidFullBandRate(sample_rate_hz));
 }
 
diff --git a/webrtc/modules/audio_processing/include/audio_processing.h b/webrtc/modules/audio_processing/include/audio_processing.h
index 6dc6e3fc76..05be5feeb1 100644
--- a/webrtc/modules/audio_processing/include/audio_processing.h
+++ b/webrtc/modules/audio_processing/include/audio_processing.h
@@ -268,7 +268,6 @@ class AudioProcessing : public rtc::RefCountInterface {
     // does not yet have the desired behavior.
     struct EchoCanceller3 {
       bool enabled = false;
-      float echo_decay = 0.f;
     } echo_canceller3;
 
     // Enables the next generation AGC functionality. This feature replaces the