diff --git a/cJSON.c b/cJSON.c
index ec8bc3a..f626b57 100644
--- a/cJSON.c
+++ b/cJSON.c
@@ -2132,16 +2132,6 @@ CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const cha
     return add_item_to_object(object, string, create_reference(item, &global_hooks), &global_hooks, false);
 }
 
-CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObjectCS(cJSON *object, const char *string, cJSON *item)
-{
-    if ((object == NULL) || (string == NULL))
-    {
-        return false;
-    }
-
-    return add_item_to_object(object, string, create_reference(item, &global_hooks), &global_hooks, true);
-}
-
 CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name)
 {
     cJSON *null = cJSON_CreateNull();
diff --git a/cJSON.h b/cJSON.h
index 1f1b679..351a22e 100644
--- a/cJSON.h
+++ b/cJSON.h
@@ -258,7 +258,6 @@ CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *stri
 /* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */
 CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
 CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item);
-CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObjectCS(cJSON *object, const char *string, cJSON *item);
 
 /* Remove/Detach items from Arrays/Objects. */
 CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item);
diff --git a/tests/misc_tests.c b/tests/misc_tests.c
index df8e242..d8556fd 100644
--- a/tests/misc_tests.c
+++ b/tests/misc_tests.c
@@ -411,9 +411,6 @@ static void cjson_functions_should_not_crash_with_null_pointers(void)
     cJSON_AddItemReferenceToObject(item, "item", NULL);
     cJSON_AddItemReferenceToObject(item, NULL, item);
     cJSON_AddItemReferenceToObject(NULL, "item", item);
-    cJSON_AddItemReferenceToObjectCS(item, "item", NULL);
-    cJSON_AddItemReferenceToObjectCS(item, NULL, item);
-    cJSON_AddItemReferenceToObjectCS(NULL, "item", item);
     TEST_ASSERT_NULL(cJSON_DetachItemViaPointer(NULL, item));
     TEST_ASSERT_NULL(cJSON_DetachItemViaPointer(item, NULL));
     TEST_ASSERT_NULL(cJSON_DetachItemFromArray(NULL, 0));