diff --git a/multimedia/audio_framework/audio_renderer/native_audiorenderer.h b/multimedia/audio_framework/audio_renderer/native_audiorenderer.h
index 990aae20d59aaa5adf3a9d52f21ba37fbb7c827b..f4e47b9bf5a928afdfd368648f4b2e8e7149190e 100644
--- a/multimedia/audio_framework/audio_renderer/native_audiorenderer.h
+++ b/multimedia/audio_framework/audio_renderer/native_audiorenderer.h
@@ -227,29 +227,6 @@ OH_AudioStream_Result OH_AudioRenderer_GetTimestamp(OH_AudioRenderer* renderer,
  */
 OH_AudioStream_Result OH_AudioRenderer_GetFrameSizeInCallback(OH_AudioRenderer* renderer, int32_t* frameSize);
 
-/*
-* Query the playback speed of the stream client
-*
-* @since 11
-*
-* @param renderer Reference created by OH_AudioStreamBuilder_GenerateRenderer()
-* @param speed Pointer to a variable to receive the playback speed.
-* @return {@link #AUDIOSTREAM_SUCCESS} or an undesired error.
-*/
-OH_AudioStream_Result OH_AudioRenderer_GetSpeed(OH_AudioRenderer* renderer, float* speed);
-
-
-/*
-* Set the playback speed of the stream client
-*
-* @since 11
-*
-* @param renderer Reference created by OH_AudioStreamBuilder_GenerateRenderer()
-* @param speed The playback speed, form 0.25 to 4.0.
-* @return {@link #AUDIOSTREAM_SUCCESS} or an undesired error.
-*/
-OH_AudioStream_Result OH_AudioRenderer_SetSpeed(OH_AudioRenderer* renderer, float speed);
-
 #ifdef __cplusplus
 }
 #endif