diff --git a/extensions/proposals/WEBGL_webcodecs_video_frame/extension.xml b/extensions/rejected/WEBGL_webcodecs_video_frame/extension.xml
similarity index 96%
rename from extensions/proposals/WEBGL_webcodecs_video_frame/extension.xml
rename to extensions/rejected/WEBGL_webcodecs_video_frame/extension.xml
index 23cbc02e62..f8d13d99c5 100644
--- a/extensions/proposals/WEBGL_webcodecs_video_frame/extension.xml
+++ b/extensions/rejected/WEBGL_webcodecs_video_frame/extension.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<proposal href="proposals/WEBGL_webcodecs_video_frame/">
+<rejected href="rejected/WEBGL_webcodecs_video_frame/">
   <name>WEBGL_webcodecs_video_frame</name>
 
   <contact> <a href="https://www.khronos.org/webgl/public-mailing-list/">WebGL
@@ -150,6 +150,9 @@ dictionary WebGLWebCodecsVideoFrameHandle {
     <revision date="2020/12/28">
       <change>Lift the hardware video frame restriction.</change>
     </revision>
+    <revision date="2023/07/10">
+      <change>Superseded by WebGPU's zero-copy importing of video frames; rejecting this extension due to complexity.</change>
+    </revision>
 
     </history>
-</proposal>
+</rejected>
diff --git a/extensions/proposals/WEBGL_webcodecs_video_frame/webgl_webcodecs_video_frame.js b/extensions/rejected/WEBGL_webcodecs_video_frame/webgl_webcodecs_video_frame.js
similarity index 100%
rename from extensions/proposals/WEBGL_webcodecs_video_frame/webgl_webcodecs_video_frame.js
rename to extensions/rejected/WEBGL_webcodecs_video_frame/webgl_webcodecs_video_frame.js