diff --git a/webrtc/modules/audio_processing/aec3/echo_remover.cc b/webrtc/modules/audio_processing/aec3/echo_remover.cc
index f700389475..47ff4c2e7a 100644
--- a/webrtc/modules/audio_processing/aec3/echo_remover.cc
+++ b/webrtc/modules/audio_processing/aec3/echo_remover.cc
@@ -97,7 +97,8 @@ class EchoRemoverImpl final : public EchoRemover {
 int EchoRemoverImpl::instance_count_ = 0;
 
 EchoRemoverImpl::EchoRemoverImpl(int sample_rate_hz)
-    : data_dumper_(
+    : fft_(),
+      data_dumper_(
           new ApmDataDumper(rtc::AtomicOps::Increment(&instance_count_))),
       optimization_(DetectOptimization()),
       sample_rate_hz_(sample_rate_hz),
diff --git a/webrtc/modules/audio_processing/aec3/subtractor.cc b/webrtc/modules/audio_processing/aec3/subtractor.cc
index 2dcbbde0ba..0cef06823f 100644
--- a/webrtc/modules/audio_processing/aec3/subtractor.cc
+++ b/webrtc/modules/audio_processing/aec3/subtractor.cc
@@ -47,7 +47,8 @@ std::vector<size_t> Subtractor::NumBlocksInRenderSums() const {
 
 Subtractor::Subtractor(ApmDataDumper* data_dumper,
                        Aec3Optimization optimization)
-    : data_dumper_(data_dumper),
+    : fft_(),
+      data_dumper_(data_dumper),
       optimization_(optimization),
       main_filter_(kMainFilterSizePartitions, true, optimization, data_dumper_),
       shadow_filter_(kShadowFilterSizePartitions,
diff --git a/webrtc/modules/audio_processing/aec3/suppression_filter.cc b/webrtc/modules/audio_processing/aec3/suppression_filter.cc
index f127acf9de..358aafbdfb 100644
--- a/webrtc/modules/audio_processing/aec3/suppression_filter.cc
+++ b/webrtc/modules/audio_processing/aec3/suppression_filter.cc
@@ -60,6 +60,7 @@ const float kSqrtHanning[kFftLength] = {
 
 SuppressionFilter::SuppressionFilter(int sample_rate_hz)
     : sample_rate_hz_(sample_rate_hz),
+      fft_(),
       e_output_old_(NumBandsForRate(sample_rate_hz_)) {
   RTC_DCHECK(ValidFullBandRate(sample_rate_hz_));
   e_input_old_.fill(0.f);