diff --git a/multimedia/player_framework/avtranscoder.h b/multimedia/player_framework/avtranscoder.h
index 612afa710639c3aace1976fae4963f04cb4c1a50..087b3e6bf25dc27520460ee3bb1a6ff3ce458eea 100644
--- a/multimedia/player_framework/avtranscoder.h
+++ b/multimedia/player_framework/avtranscoder.h
@@ -290,17 +290,6 @@ OH_AVErrCode OH_AVTranscoder_SetErrorCallback(
 OH_AVErrCode OH_AVTranscoder_SetProgressUpdateCallback(
     OH_AVTranscoder *transcoder, OH_AVTranscoder_OnProgressUpdate callback, void *userData);
 
-/**
- * @brief Enable B frame in destination video.
- * @param {OH_AVTranscoder_Config*} config Pointer to an OH_AVTranscoder_Config instance
- * @param {bool} enabled Whecher enable B Frame. If this function is not called, B Frame is disabled.
- * @return Function result code.
- *         {@link AV_ERR_OK} if the execution is successful.
- *         {@link AV_ERR_INVALID_VAL} if input config is nullptr.
- * @since 20
- */
-OH_AVErrCode OH_AVTranscoderConfig_EnableBFrame(OH_AVTranscoder_Config *config, bool enabled);
-
 #ifdef __cplusplus
 }
 #endif