diff --git a/media/libstagefright/codecs/mp3dec/Android.mk b/media/libstagefright/codecs/mp3dec/Android.mk
index d618b83077448..cb2788ce6b74d 100644
--- a/media/libstagefright/codecs/mp3dec/Android.mk
+++ b/media/libstagefright/codecs/mp3dec/Android.mk
@@ -28,10 +28,6 @@ LOCAL_SRC_FILES := \
  	src/pvmp3_seek_synch.cpp \
  	src/pvmp3_stereo_proc.cpp \
  	src/pvmp3_reorder.cpp \
- 	src/pvmp3_polyphase_filter_window.cpp \
- 	src/pvmp3_mdct_18.cpp \
- 	src/pvmp3_dct_9.cpp \
- 	src/pvmp3_dct_16.cpp
 
 ifeq ($(TARGET_ARCH),arm)
 LOCAL_SRC_FILES += \
@@ -39,6 +35,12 @@ LOCAL_SRC_FILES += \
  	src/asm/pvmp3_mdct_18_gcc.s \
  	src/asm/pvmp3_dct_9_gcc.s \
 	src/asm/pvmp3_dct_16_gcc.s
+else
+LOCAL_SRC_FILES += \
+ 	src/pvmp3_polyphase_filter_window.cpp \
+ 	src/pvmp3_mdct_18.cpp \
+ 	src/pvmp3_dct_9.cpp \
+ 	src/pvmp3_dct_16.cpp
 endif
 
 LOCAL_C_INCLUDES := \