diff --git a/configure b/configure
index bb4172a37c..93d43eaba1 100755
--- a/configure
+++ b/configure
@@ -1694,7 +1694,7 @@ h264_decoder_suggest="error_resilience"
 hevc_decoder_select="dsputil golomb videodsp"
 huffyuv_decoder_select="dsputil"
 huffyuv_encoder_select="dsputil huffman"
-iac_decoder_select="dsputil fft mdct sinewin"
+iac_decoder_select="imc_decoder"
 imc_decoder_select="dsputil fft mdct sinewin"
 indeo3_decoder_select="hpeldsp"
 interplay_video_decoder_select="hpeldsp"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 04f61eec45..1bd4acea17 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -204,7 +204,6 @@ OBJS-$(CONFIG_HEVC_DECODER)            += hevc.o hevc_mvs.o hevc_ps.o hevc_sei.o
 OBJS-$(CONFIG_HNM4_VIDEO_DECODER)      += hnm4video.o
 OBJS-$(CONFIG_HUFFYUV_DECODER)         += huffyuv.o huffyuvdec.o
 OBJS-$(CONFIG_HUFFYUV_ENCODER)         += huffyuv.o huffyuvenc.o
-OBJS-$(CONFIG_IAC_DECODER)             += imc.o
 OBJS-$(CONFIG_IDCIN_DECODER)           += idcinvideo.o
 OBJS-$(CONFIG_IFF_BYTERUN1_DECODER)    += iff.o
 OBJS-$(CONFIG_IFF_ILBM_DECODER)        += iff.o