diff --git a/libavutil/timecode.c b/libavutil/timecode.c
index fcbd00d660..77d828d56f 100644
--- a/libavutil/timecode.c
+++ b/libavutil/timecode.c
@@ -31,17 +31,6 @@
 #include "log.h"
 #include "error.h"
 
-#ifdef FF_API_OLD_TC_ADJUST_FRAMENUM
-int av_timecode_adjust_ntsc_framenum(int framenum)
-{
-    /* only works for NTSC 29.97 */
-    int d = framenum / 17982;
-    int m = framenum % 17982;
-    //if (m < 2) m += 2; /* not needed since -2,-1 / 1798 in C returns 0 */
-    return framenum + 18 * d + 2 * ((m - 2) / 1798);
-}
-#endif
-
 int av_timecode_adjust_ntsc_framenum2(int framenum, int fps)
 {
     /* only works for NTSC 29.97 and 59.94 */
diff --git a/libavutil/timecode.h b/libavutil/timecode.h
index 17d6b95ffd..56e3975fd8 100644
--- a/libavutil/timecode.h
+++ b/libavutil/timecode.h
@@ -45,16 +45,6 @@ typedef struct {
     unsigned fps;       ///< frame per second; must be consistent with the rate field
 } AVTimecode;
 
-/**
- * Adjust frame number for NTSC drop frame time code.
- *
- * @param framenum frame number to adjust
- * @return         adjusted frame number
- * @warning        adjustment is only valid in NTSC 29.97
- * @deprecated     use av_timecode_adjust_ntsc_framenum2 instead
- */
-attribute_deprecated int av_timecode_adjust_ntsc_framenum(int framenum);
-
 /**
  * Adjust frame number for NTSC drop frame time code.
  *
@@ -73,7 +63,7 @@ int av_timecode_adjust_ntsc_framenum2(int framenum, int fps);
  * @return         the SMPTE binary representation
  *
  * @note Frame number adjustment is automatically done in case of drop timecode,
- *       you do NOT have to call av_timecode_adjust_ntsc_framenum().
+ *       you do NOT have to call av_timecode_adjust_ntsc_framenum2().
  * @note The frame number is relative to tc->start.
  * @note Color frame (CF), binary group flags (BGF) and biphase mark polarity
  *       correction (PC) bits are set to zero.
diff --git a/libavutil/version.h b/libavutil/version.h
index 809530e0d8..a5d3e179de 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -111,9 +111,6 @@
 #ifndef FF_API_OLD_AVOPTIONS
 #define FF_API_OLD_AVOPTIONS            (LIBAVUTIL_VERSION_MAJOR < 53)
 #endif
-#ifndef FF_API_OLD_TC_ADJUST_FRAMENUM
-#define FF_API_OLD_TC_ADJUST_FRAMENUM   (LIBAVUTIL_VERSION_MAJOR < 52)
-#endif
 #ifndef FF_API_PIX_FMT
 #define FF_API_PIX_FMT                  (LIBAVUTIL_VERSION_MAJOR < 53)
 #endif