diff --git a/modules/audio_processing/aec3/suppression_filter.h b/modules/audio_processing/aec3/suppression_filter.h
index 281c2c30c4..dcf2292c7f 100644
--- a/modules/audio_processing/aec3/suppression_filter.h
+++ b/modules/audio_processing/aec3/suppression_filter.h
@@ -14,7 +14,6 @@
 #include <array>
 #include <vector>
 
-#include "common_audio/third_party/ooura/fft_size_128/ooura_fft.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/aec3/aec3_fft.h"
 #include "modules/audio_processing/aec3/fft_data.h"
@@ -39,7 +38,6 @@ class SuppressionFilter {
   const Aec3Optimization optimization_;
   const int sample_rate_hz_;
   const size_t num_capture_channels_;
-  const OouraFft ooura_fft_;
   const Aec3Fft fft_;
   std::vector<std::vector<std::array<float, kFftLengthBy2>>> e_output_old_;
   RTC_DISALLOW_COPY_AND_ASSIGN(SuppressionFilter);