diff --git a/src/server.rs b/src/server.rs
index a28c4f3..55e6273 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -1717,10 +1717,8 @@ fn set_webdav_headers(res: &mut Response) {
         "Allow",
         HeaderValue::from_static("GET,HEAD,PUT,OPTIONS,DELETE,PATCH,PROPFIND,COPY,MOVE"),
     );
-    res.headers_mut().insert(
-        "DAV",
-        HeaderValue::from_static("1, 2, 3, sabredav-partialupdate"),
-    );
+    res.headers_mut()
+        .insert("DAV", HeaderValue::from_static("1, 2, 3"));
 }
 
 async fn get_content_type(path: &Path) -> Result<String> {
diff --git a/tests/http.rs b/tests/http.rs
index c2b0566..96f790d 100644
--- a/tests/http.rs
+++ b/tests/http.rs
@@ -267,10 +267,7 @@ fn options_dir(server: TestServer) -> Result<(), Error> {
         resp.headers().get("allow").unwrap(),
         "GET,HEAD,PUT,OPTIONS,DELETE,PATCH,PROPFIND,COPY,MOVE"
     );
-    assert_eq!(
-        resp.headers().get("dav").unwrap(),
-        "1, 2, 3, sabredav-partialupdate"
-    );
+    assert_eq!(resp.headers().get("dav").unwrap(), "1, 2, 3");
     Ok(())
 }