diff --git a/sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart b/sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart
index 1ddda26143c..97b14dba82b 100644
--- a/sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart
+++ b/sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart
@@ -860,17 +860,15 @@ final deferredImports = JS<Object>('!', 'new Map()');
 ///
 /// Libraries are not actually deferred in DDC, so this just records the import
 /// for runtime validation, then returns a future that completes immediately.
-Future<void> loadLibrary(
+Future loadLibrary(
     @notNull String enclosingLibrary, @notNull String importPrefix) {
-  _loadLibrary() {
-    var result = JS('', '#.get(#)', deferredImports, enclosingLibrary);
-    if (JS<bool>('', '# === void 0', result)) {
-      JS('', '#.set(#, # = new Set())', deferredImports, enclosingLibrary,
-          result);
-    }
-    JS('', '#.add(#)', result, importPrefix);
+  var result = JS('', '#.get(#)', deferredImports, enclosingLibrary);
+  if (JS<bool>('', '# === void 0', result)) {
+    JS('', '#.set(#, # = new Set())', deferredImports, enclosingLibrary,
+        result);
   }
-  return Future(_loadLibrary);
+  JS('', '#.add(#)', result, importPrefix);
+  return Future.value();
 }
 
 void checkDeferredIsLoaded(