diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index 8e5e2a0f59..52e7f111c1 100644
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -226,8 +226,6 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags);
  */
 int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame, int flags);
 
-int ff_thread_can_start_frame(AVCodecContext *avctx);
-
 int avpriv_h264_has_num_reorder_frames(AVCodecContext *avctx);
 
 int avpriv_codec_get_cap_skip_frame_fill_param(const AVCodec *codec);
diff --git a/libavcodec/threadframe.h b/libavcodec/threadframe.h
index 100e068e06..d2f93c5cd0 100644
--- a/libavcodec/threadframe.h
+++ b/libavcodec/threadframe.h
@@ -84,4 +84,6 @@ void ff_thread_release_ext_buffer(AVCodecContext *avctx, ThreadFrame *f);
 
 int ff_thread_ref_frame(ThreadFrame *dst, const ThreadFrame *src);
 
+int ff_thread_can_start_frame(AVCodecContext *avctx);
+
 #endif