diff --git a/runtime/layout_info.cpp b/runtime/layout_info.cpp
index 4d28f0c64bde8c2aa035e41064f958d44848a91f..4538f315790d0053f9a28be1b3bd5eeb1a212a74 100644
--- a/runtime/layout_info.cpp
+++ b/runtime/layout_info.cpp
@@ -69,12 +69,10 @@ void LayoutInfo::GetAllKeys(const JSThread *thread, int end, int offset, TaggedA
 void LayoutInfo::GetAllKeys([[maybe_unused]] const JSThread *thread, int end, std::vector<JSTaggedValue> &key_vector)
 {
     ASSERT(end <= NumberOfElements());
-    int enum_keys = 0;
     for (int i = 0; i < end; i++) {
         JSTaggedValue key = GetKey(i);
         if (key.IsString()) {
             key_vector.emplace_back(key);
-            enum_keys++;
         }
     }
 }