diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c
index b030070d2d..31b89bd882 100644
--- a/source/libs/function/src/udfd.c
+++ b/source/libs/function/src/udfd.c
@@ -777,8 +777,7 @@ void udfdProcessTeardownRequest(SUvUdfWork *uvUdf, SUdfRequest *request) {
 
   uv_mutex_lock(&global.udfsMutex);
   udf->refCount--;
-  if ((udf->refCount == 0 && !udf->resident) ||
-      (udf->resident && udf->expired)) {
+  if (udf->refCount == 0 && (!udf->resident || udf->expired)) {
     unloadUdf = true;
     taosHashRemove(global.udfsHash, udf->name, strlen(udf->name));
   }