diff --git a/webrtc/modules/audio_conference_mixer/BUILD.gn b/webrtc/modules/audio_conference_mixer/BUILD.gn
index 31f2e9affd..3b9e2769ac 100644
--- a/webrtc/modules/audio_conference_mixer/BUILD.gn
+++ b/webrtc/modules/audio_conference_mixer/BUILD.gn
@@ -22,8 +22,6 @@ source_set("audio_conference_mixer") {
     "source/audio_conference_mixer_impl.h",
     "source/audio_frame_manipulator.cc",
     "source/audio_frame_manipulator.h",
-    "source/level_indicator.cc",
-    "source/level_indicator.h",
     "source/memory_pool.h",
     "source/memory_pool_posix.h",
     "source/memory_pool_win.h",