diff --git a/src/datanode/src/region_server.rs b/src/datanode/src/region_server.rs
index 2c8212ac3c46..b9576e38ad7f 100644
--- a/src/datanode/src/region_server.rs
+++ b/src/datanode/src/region_server.rs
@@ -213,11 +213,7 @@ impl RegionServer {
                 region_id,
                 plan,
             })
-            .await;
-        if let Some(_permit) = permit {
-            drop(_permit)
-        };
-        res
+            .await
     }
 
     #[tracing::instrument(skip_all)]