diff --git a/packages/babel-plugin-proposal-optional-chaining-assign/test/util.skip-bundled.js b/packages/babel-plugin-proposal-optional-chaining-assign/test/util.skip-bundled.js
deleted file mode 100644
index 01638d6bb79a..000000000000
--- a/packages/babel-plugin-proposal-optional-chaining-assign/test/util.skip-bundled.js
+++ /dev/null
@@ -1,92 +0,0 @@
-import { willPathCastToBoolean } from "../lib/util.js";
-import { parseSync, traverse } from "@babel/core";
-
-function getPath(input, parserOpts) {
-  let targetPath;
-  traverse(
-    parseSync(input, {
-      parserOpts,
-      filename: "example.js",
-      configFile: false,
-    }),
-    {
-      OptionalMemberExpression(path) {
-        targetPath = path;
-        path.stop();
-      },
-      noScope: true,
-    },
-  );
-  return targetPath;
-}
-
-describe("willPathCastToBoolean", () => {
-  const positiveCases = [
-    "if(a?.b) {}",
-    "while(a?.b) {}",
-    "a?.b ? 0 : 1",
-    "for(;a?.b;);",
-    "while(a?.b);",
-    "do {} while (a?.b)",
-    "!a?.b",
-    "if(a && a?.b) {}",
-    "if(a?.b && a) {}",
-    "while(a || a?.b) {}",
-    "while(a?.b || a) {}",
-    "for(; a ?? a?.b ;);",
-    "do {} while (0, a?.b)",
-    "(a?.b, 0)",
-    "!(a && ( b || ( c ?? ( a?.b && d ) ) ) )",
-
-    // parenthesized
-    "!((a?.b), 0)",
-    "((a?.b)) ? 0 : 1",
-    "while( (a || ((a?.b) && c) ) );",
-  ];
-
-  const negativeCases = [
-    "() => a?.b",
-    "for(; a?.b ?? a;);",
-    "a?.b && a",
-    "a && a?.b",
-    "() => a?.b || a",
-    "() => a || a?.b",
-    "a?.b()",
-    "a = a?.b && null",
-
-    // parenthesized
-    "(a?.b)",
-  ];
-
-  describe("default parser options", () => {
-    test.each(positiveCases)(
-      "willPathCastToBoolean(a?.b in %p) should return true",
-      input => {
-        expect(willPathCastToBoolean(getPath(input))).toBe(true);
-      },
-    );
-    test.each(negativeCases)(
-      "willPathCastToBoolean(a?.b in %p) should return false",
-      input => {
-        expect(willPathCastToBoolean(getPath(input))).toBe(false);
-      },
-    );
-  });
-
-  describe("createParenthesizedExpressions", () => {
-    test.each(positiveCases)(
-      "willPathCastToBoolean(a?.b in %p with { createParenthesizedExpressions: true }) should return true",
-      input => {
-        const parserOpts = { createParenthesizedExpressions: true };
-        expect(willPathCastToBoolean(getPath(input, parserOpts))).toBe(true);
-      },
-    );
-    test.each(negativeCases)(
-      "willPathCastToBoolean(a?.b in %p with { createParenthesizedExpressions: true }) should return false",
-      input => {
-        const parserOpts = { createParenthesizedExpressions: true };
-        expect(willPathCastToBoolean(getPath(input, parserOpts))).toBe(false);
-      },
-    );
-  });
-});