diff --git a/src/core/vdom/patch.js b/src/core/vdom/patch.js
index bff48f44bea..77cdb637341 100644
--- a/src/core/vdom/patch.js
+++ b/src/core/vdom/patch.js
@@ -604,10 +604,8 @@ export function createPatchFunction (backend) {
       return true
     }
     // assert node match
-    if (process.env.NODE_ENV !== 'production') {
-      if (!assertNodeMatch(elm, vnode, inVPre)) {
-        return false
-      }
+    if (!assertNodeMatch(elm, vnode, inVPre)) {
+      return false
     }
     if (isDef(data)) {
       if (isDef(i = data.hook) && isDef(i = i.init)) i(vnode, true /* hydrating */)