diff --git a/libavcodec/arm/Makefile b/libavcodec/arm/Makefile
index a5abfdd128..a5a5dfab64 100644
--- a/libavcodec/arm/Makefile
+++ b/libavcodec/arm/Makefile
@@ -1,5 +1,4 @@
 OBJS-$(CONFIG_AC3DSP)                  += arm/ac3dsp_init_arm.o         \
-                                          arm/ac3dsp_arm.o
 
 OBJS-$(CONFIG_DCA_DECODER)             += arm/dcadsp_init_arm.o         \