diff --git a/libavcodec/mpegaudiodata.h b/libavcodec/mpegaudiodata.h
index 09254cb0a7..d513645b57 100644
--- a/libavcodec/mpegaudiodata.h
+++ b/libavcodec/mpegaudiodata.h
@@ -29,6 +29,9 @@
 
 #include "common.h"
 
+#define MODE_EXT_MS_STEREO 2
+#define MODE_EXT_I_STEREO  1
+
 extern const uint16_t ff_mpa_bitrate_tab[2][3][15];
 extern const uint16_t ff_mpa_freq_tab[3];
 extern const int32_t ff_mpa_enwindow[257];
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index d679b006be..83ee255c7d 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -85,9 +85,6 @@ typedef struct GranuleDef {
     int32_t sb_hybrid[SBLIMIT * 18]; /* 576 samples */
 } GranuleDef;
 
-#define MODE_EXT_MS_STEREO 2
-#define MODE_EXT_I_STEREO  1
-
 #include "mpegaudiodata.h"
 #include "mpegaudiodectab.h"