diff --git a/fusio-opendal/src/fs.rs b/fusio-opendal/src/fs.rs
index 8f28b41..29a1492 100644
--- a/fusio-opendal/src/fs.rs
+++ b/fusio-opendal/src/fs.rs
@@ -64,16 +64,11 @@ impl Fs for OpendalFs {
             .map_err(parse_opendal_error)
     }
 
-    fn copy(&self, from: &Path, to: &Path) -> impl Future<Output = Result<(), Error>> + MaybeSend {
+    async fn copy(&self, from: &Path, to: &Path) -> Result<(), Error> {
         self.op.copy(from.as_ref(), to.as_ref())
     }
 
-    fn link<F: Fs>(
-        &self,
-        from: &Path,
-        to_fs: &F,
-        to: &Path,
-    ) -> impl Future<Output = Result<(), Error>> + MaybeSend {
+    async fn link<F: Fs>(&self, from: &Path, to_fs: &F, to: &Path) -> Result<(), Error> {
         todo!()
     }
 }