diff --git a/http3/frames.go b/http3/frames.go
index e096ac1a8c4..117b66c04cc 100644
--- a/http3/frames.go
+++ b/http3/frames.go
@@ -39,8 +39,6 @@ func parseNextFrame(r io.Reader) (frame, error) {
 			fallthrough
 		case 0xd: // MAX_PUSH_ID
 			fallthrough
-		case 0xe: // DUPLICATE_PUSH
-			fallthrough
 		default:
 			// skip over unknown frames
 			if _, err := io.CopyN(ioutil.Discard, qr, int64(l)); err != nil {