diff --git a/modules/video_coding/BUILD.gn b/modules/video_coding/BUILD.gn
index 292b0dfeae..094b092f58 100644
--- a/modules/video_coding/BUILD.gn
+++ b/modules/video_coding/BUILD.gn
@@ -255,6 +255,11 @@ rtc_static_library("webrtc_h264") {
       "//third_party/ffmpeg:ffmpeg",
       "//third_party/openh264:encoder",
     ]
+
+    # TODO(bugs.webrtc.org/8745): stop using av_lockmgr_register
+    if (!is_win) {
+      cflags = [ "-Wno-deprecated-declarations" ]
+    }
   }
 }