diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 5c84974e03..07d9f3e255 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -4614,7 +4614,10 @@ int av_dup_packet(AVPacket *pkt);
  * Copy packet, including contents
  *
  * @return 0 on success, negative AVERROR on fail
+ *
+ * @deprecated Use av_packet_ref
  */
+attribute_deprecated
 int av_copy_packet(AVPacket *dst, const AVPacket *src);
 
 /**
diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c
index 5ce3228166..b07180eac8 100644
--- a/libavcodec/avpacket.c
+++ b/libavcodec/avpacket.c
@@ -247,8 +247,6 @@ failed_alloc:
     av_packet_unref(pkt);
     return AVERROR(ENOMEM);
 }
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
 
 int av_dup_packet(AVPacket *pkt)
 {
@@ -266,6 +264,8 @@ int av_copy_packet(AVPacket *dst, const AVPacket *src)
     *dst = *src;
     return copy_packet_data(dst, src, 0);
 }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
 
 void av_packet_free_side_data(AVPacket *pkt)
 {