diff --git a/libavutil/cpu.h b/libavutil/cpu.h
index 3adccbdd68..de15ee317b 100644
--- a/libavutil/cpu.h
+++ b/libavutil/cpu.h
@@ -87,6 +87,7 @@ attribute_deprecated void av_set_cpu_flags_mask(int mask);
  * Please use av_parse_cpu_caps() when possible.
  * @return a combination of AV_CPU_* flags, negative on error.
  */
+attribute_deprecated
 int av_parse_cpu_flags(const char *s);
 
 /**