diff --git a/experiments/field_trials.py b/experiments/field_trials.py
index 1f286d6896..8274c03a8d 100755
--- a/experiments/field_trials.py
+++ b/experiments/field_trials.py
@@ -38,9 +38,6 @@ ACTIVE_FIELD_TRIALS: FrozenSet[FieldTrial] = frozenset([
     FieldTrial('WebRTC-Aec3DelayEstimatorDetectPreEcho',
                'webrtc:14205',
                date(2024, 4, 1)),
-    FieldTrial('WebRTC-Aec3PenalyzeHighDelaysInitialPhase',
-               'webrtc:14919',
-               date(2024, 4, 1)),
     FieldTrial('WebRTC-Audio-GainController2',
                'webrtc:7494',
                date(2024, 4, 1)),
diff --git a/modules/audio_processing/aec3/matched_filter_lag_aggregator.cc b/modules/audio_processing/aec3/matched_filter_lag_aggregator.cc
index c8ac417a8b..0ece2a6003 100644
--- a/modules/audio_processing/aec3/matched_filter_lag_aggregator.cc
+++ b/modules/audio_processing/aec3/matched_filter_lag_aggregator.cc
@@ -15,7 +15,6 @@
 #include "modules/audio_processing/logging/apm_data_dumper.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/numerics/safe_minmax.h"
-#include "system_wrappers/include/field_trial.h"
 
 namespace webrtc {
 namespace {
@@ -124,8 +123,6 @@ MatchedFilterLagAggregator::PreEchoLagAggregator::PreEchoLagAggregator(
     size_t max_filter_lag,
     size_t down_sampling_factor)
     : block_size_log2_(GetDownSamplingBlockSizeLog2(down_sampling_factor)),
-      penalize_high_delays_initial_phase_(!field_trial::IsDisabled(
-          "WebRTC-Aec3PenalyzeHighDelaysInitialPhase")),
       histogram_(
           ((max_filter_lag + 1) * down_sampling_factor) >> kBlockSizeLog2,
           0) {
@@ -156,8 +153,7 @@ void MatchedFilterLagAggregator::PreEchoLagAggregator::Aggregate(
   ++histogram_[histogram_data_[histogram_data_index_]];
   histogram_data_index_ = (histogram_data_index_ + 1) % histogram_data_.size();
   int pre_echo_candidate_block_size = 0;
-  if (penalize_high_delays_initial_phase_ &&
-      number_updates_ < kNumBlocksPerSecond * 2) {
+  if (number_updates_ < kNumBlocksPerSecond * 2) {
     number_updates_++;
     float penalization_per_delay = 1.0f;
     float max_histogram_value = -1.0f;
diff --git a/modules/audio_processing/aec3/matched_filter_lag_aggregator.h b/modules/audio_processing/aec3/matched_filter_lag_aggregator.h
index 1287b38da0..1e80a21552 100644
--- a/modules/audio_processing/aec3/matched_filter_lag_aggregator.h
+++ b/modules/audio_processing/aec3/matched_filter_lag_aggregator.h
@@ -64,7 +64,6 @@ class MatchedFilterLagAggregator {
 
    private:
     const int block_size_log2_;
-    const bool penalize_high_delays_initial_phase_;
     std::array<int, 250> histogram_data_;
     std::vector<int> histogram_;
     int histogram_data_index_ = 0;