diff --git a/test/src/databases/all/functions.spec.ts b/test/src/databases/all/functions.spec.ts
index e9f631080..ef77b5761 100644
--- a/test/src/databases/all/functions.spec.ts
+++ b/test/src/databases/all/functions.spec.ts
@@ -1742,6 +1742,7 @@ describe.each(runtimes.runtimeList)('%s', (databaseName, runtime) => {
       ]);
     });
 
+    // TODO remove the need for the `##! unsafe_complex_select_query` compiler flag
     it('can be used in a select', async () => {
       await expect(`
         ##! experimental { function_order_by partition_by }