diff --git a/src/runtime/intern.cs b/src/runtime/intern.cs
@@ -42,9 +42,10 @@ public static void Initialize()

        public static void Shutdown()
        {
-            foreach (var ptr in _intern2strings.Keys)
            {
-                Runtime.XDecref(ptr);
            }
            _string2interns = null;
            _intern2strings = null;