diff --git a/packages/babel-core/src/transformation/file/index.js b/packages/babel-core/src/transformation/file/index.js
index ab1f1e650e..1a16d77982 100644
--- a/packages/babel-core/src/transformation/file/index.js
+++ b/packages/babel-core/src/transformation/file/index.js
@@ -438,13 +438,14 @@ export default class File extends Store {
   transform(): BabelFileResult {
     // In the "pass per preset" mode, we have grouped passes.
     // Otherwise, there is only one plain pluginPasses array.
-    this.pluginPasses.forEach((pluginPasses, index) => {
+    for (let i = 0; i < this.pluginPasses.length; i++) {
+      const pluginPasses = this.pluginPasses[i];
       this.call("pre", pluginPasses);
       this.log.debug("Start transform traverse");
-      traverse(this.ast, traverse.visitors.merge(this.pluginVisitors[index], pluginPasses), this.scope);
+      traverse(this.ast, traverse.visitors.merge(this.pluginVisitors[i], pluginPasses), this.scope);
       this.log.debug("End transform traverse");
       this.call("post", pluginPasses);
-    });
+    }
 
     return this.generate();
   }