diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index a3cf38a865..17416791a6 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1882,15 +1882,6 @@ typedef struct AVCodecContext {
      */
     AVBufferRef *hw_frames_ctx;
 
-#if FF_API_SUB_TEXT_FORMAT
-    /**
-     * @deprecated unused
-     */
-    attribute_deprecated
-    int sub_text_format;
-#define FF_SUB_TEXT_FMT_ASS              0
-#endif
-
     /**
      * Audio only. The amount of padding (in samples) appended by the encoder to
      * the end of the audio. I.e. this number of decoded samples must be
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index 52ecc25cf9..bcd6f38191 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -376,10 +376,6 @@ static const AVOption avcodec_options[] = {
 {"auto",        NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_SUB_CHARENC_MODE_AUTOMATIC},   INT_MIN, INT_MAX, S|D, "sub_charenc_mode"},
 {"pre_decoder", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_SUB_CHARENC_MODE_PRE_DECODER}, INT_MIN, INT_MAX, S|D, "sub_charenc_mode"},
 {"ignore",      NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_SUB_CHARENC_MODE_IGNORE},      INT_MIN, INT_MAX, S|D, "sub_charenc_mode"},
-#if FF_API_SUB_TEXT_FORMAT
-{"sub_text_format", "Deprecated, does nothing", OFFSET(sub_text_format), AV_OPT_TYPE_INT, {.i64 = FF_SUB_TEXT_FMT_ASS}, 0, 1, S|D | AV_OPT_FLAG_DEPRECATED, "sub_text_format"},
-{"ass",              NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_SUB_TEXT_FMT_ASS},              INT_MIN, INT_MAX, S|D, "sub_text_format"},
-#endif
 {"apply_cropping", NULL, OFFSET(apply_cropping), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, V | D },
 {"skip_alpha", "Skip processing alpha", OFFSET(skip_alpha), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, V|D },
 {"field_order", "Field order", OFFSET(field_order), AV_OPT_TYPE_INT, {.i64 = AV_FIELD_UNKNOWN }, 0, 5, V|D|E, "field_order" },
diff --git a/libavcodec/version_major.h b/libavcodec/version_major.h
index 96536732d9..46739ad1e4 100644
--- a/libavcodec/version_major.h
+++ b/libavcodec/version_major.h
@@ -38,7 +38,6 @@
  */
 
 #define FF_API_INIT_PACKET         (LIBAVCODEC_VERSION_MAJOR < 60)
-#define FF_API_SUB_TEXT_FORMAT     (LIBAVCODEC_VERSION_MAJOR < 60)
 #define FF_API_IDCT_NONE           (LIBAVCODEC_VERSION_MAJOR < 60)
 #define FF_API_SVTAV1_OPTS         (LIBAVCODEC_VERSION_MAJOR < 60)
 #define FF_API_AYUV_CODECID        (LIBAVCODEC_VERSION_MAJOR < 60)