--- third_party/build/os-auto.mak.in.orig	2017-09-22 02:42:22 UTC
+++ third_party/build/os-auto.mak.in
@@ -112,8 +112,7 @@ else ifneq ($(findstring mips,@ac_webrtc_instset@),)
 else # Generic fixed point
     WEBRTC_SRC = \
 	      modules/audio_processing/aecm/aecm_core_c.o                \
-	      modules/audio_processing/ns/nsx_core_c.o                   \
-	      common_audio/signal_processing/complex_fft.o
+	      modules/audio_processing/ns/nsx_core_c.o
 endif
 endif
 endif