diff --git a/cfg-common.h b/cfg-common.h
index 90f0d81e68..42af04810f 100644
--- a/cfg-common.h
+++ b/cfg-common.h
@@ -344,7 +344,6 @@ extern float screen_size_xy;
 extern float movie_aspect;
 extern int softzoom;
 extern int flip;
-extern int vd_use_slices;
 
 /* defined in codec-cfg.c */
 extern char * codecs_file;
diff --git a/mencoder.c b/mencoder.c
index f52a45a912..b1c50d7421 100644
--- a/mencoder.c
+++ b/mencoder.c
@@ -65,6 +65,7 @@
 #include "libmpcodecs/dec_audio.h"
 #include "libmpcodecs/dec_video.h"
 #include "libmpcodecs/vf.h"
+#include "libmpcodecs/vd.h"
 
 // for MPEGLAYER3WAVEFORMAT:
 #include "libmpdemux/ms_hdr.h"