diff --git a/source/json.c b/source/json.c
index 00165911c..a6aeead5b 100644
--- a/source/json.c
+++ b/source/json.c
@@ -22,7 +22,7 @@ struct aws_json_value *aws_json_value_new_string(struct aws_allocator *allocator
 }
 
 struct aws_json_value *aws_json_value_new_string_from_c_str(struct aws_allocator *allocator, const char *string) {
-    (void *)allocator;
+    (void)allocator; /* No need for allocator. It is overriden through hooks. */
     void *ret_val = cJSON_CreateString(string);
     return ret_val;
 }