diff --git a/rollup.config.mjs b/rollup.config.mjs
index 1aacef3ead..11653d2683 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -23,8 +23,7 @@ const tsconfig = (target) => ({
     compilerOptions: {
       target,
       module: 'ES2015',
-      rootDir: 'src',
-      downlevelIteration: true
+      rootDir: 'src'
     }
   }
 })