diff --git a/libavcodec/ac3tab.c b/libavcodec/ac3tab.c
index 5a352340e7..e53086a754 100644
--- a/libavcodec/ac3tab.c
+++ b/libavcodec/ac3tab.c
@@ -245,19 +245,6 @@ const uint16_t ff_ac3_fast_gain_tab[8]= {
     0x080, 0x100, 0x180, 0x200, 0x280, 0x300, 0x380, 0x400,
 };
 
-/**
- * Default channel map for a dependent substream defined by acmod
- */
-const uint16_t ff_eac3_default_chmap[8] = {
-    AC3_CHMAP_L |               AC3_CHMAP_R, // FIXME Ch1+Ch2
-                  AC3_CHMAP_C,
-    AC3_CHMAP_L |               AC3_CHMAP_R,
-    AC3_CHMAP_L | AC3_CHMAP_C | AC3_CHMAP_R,
-    AC3_CHMAP_L |               AC3_CHMAP_R |                   AC3_CHMAP_C_SUR,
-    AC3_CHMAP_L | AC3_CHMAP_C | AC3_CHMAP_R |                   AC3_CHMAP_C_SUR,
-    AC3_CHMAP_L |               AC3_CHMAP_R | AC3_CHMAP_L_SUR |                  AC3_CHMAP_R_SUR,
-    AC3_CHMAP_L | AC3_CHMAP_C | AC3_CHMAP_R | AC3_CHMAP_L_SUR |                  AC3_CHMAP_R_SUR
-};
 const uint64_t ff_eac3_custom_channel_map_locations[16][2] = {
     { 1, AV_CH_FRONT_LEFT },
     { 1, AV_CH_FRONT_CENTER },
diff --git a/libavcodec/ac3tab.h b/libavcodec/ac3tab.h
index f41f7b6da0..ea8e3340c7 100644
--- a/libavcodec/ac3tab.h
+++ b/libavcodec/ac3tab.h
@@ -45,7 +45,6 @@ extern const uint16_t ff_ac3_slow_gain_tab[4];
 extern const uint16_t ff_ac3_db_per_bit_tab[4];
 extern const int16_t  ff_ac3_floor_tab[8];
 extern const uint16_t ff_ac3_fast_gain_tab[8];
-extern const uint16_t ff_eac3_default_chmap[8];
 extern const uint8_t  ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1];
 extern const uint8_t  ff_ac3_bin_to_band_tab[253];
 extern const uint64_t ff_eac3_custom_channel_map_locations[16][2];