diff --git a/packages/babel-standalone/src/preset-stage-3.ts b/packages/babel-standalone/src/preset-stage-3.ts
index 4fa050fea9c4..69b45b30efd9 100644
--- a/packages/babel-standalone/src/preset-stage-3.ts
+++ b/packages/babel-standalone/src/preset-stage-3.ts
@@ -8,8 +8,7 @@ export default (_: any, opts: any = {}) => {
     decoratorsBeforeExport,
   } = opts;
 
-  // todo(flow->ts) improve types
-  const plugins: any[] = [
+  const plugins = [
     babelPlugins.syntaxImportAssertions,
     babelPlugins.proposalUnicodeSetsRegex,
     babelPlugins.proposalDuplicateNamedCapturingGroupsRegex,
@@ -21,23 +20,22 @@ export default (_: any, opts: any = {}) => {
       },
     ],
     babelPlugins.proposalRegexpModifiers,
-  ];
-
-  if (!process.env.BABEL_8_BREAKING) {
     // These are Stage 4
-    plugins.push(
-      babelPlugins.proposalExportNamespaceFrom,
-      babelPlugins.proposalLogicalAssignmentOperators,
-      [babelPlugins.proposalOptionalChaining, { loose }],
-      [babelPlugins.proposalNullishCoalescingOperator, { loose }],
-      [babelPlugins.proposalClassProperties, { loose }],
-      babelPlugins.proposalJsonStrings,
-      babelPlugins.proposalNumericSeparator,
-      [babelPlugins.proposalPrivateMethods, { loose }],
-      babelPlugins.proposalPrivatePropertyInObject,
-      babelPlugins.proposalClassStaticBlock,
-    );
-  }
+    ...(process.env.BABEL_8_BREAKING
+      ? []
+      : [
+          babelPlugins.proposalExportNamespaceFrom,
+          babelPlugins.proposalLogicalAssignmentOperators,
+          [babelPlugins.proposalOptionalChaining, { loose }],
+          [babelPlugins.proposalNullishCoalescingOperator, { loose }],
+          [babelPlugins.proposalClassProperties, { loose }],
+          babelPlugins.proposalJsonStrings,
+          babelPlugins.proposalNumericSeparator,
+          [babelPlugins.proposalPrivateMethods, { loose }],
+          babelPlugins.proposalPrivatePropertyInObject,
+          babelPlugins.proposalClassStaticBlock,
+        ]),
+  ];
 
   return { plugins };
 };