diff --git a/scripts/check-no-raw-window-open.d.mts b/scripts/check-no-raw-window-open.d.mts
deleted file mode 100644
index c7dc15e9d141..000000000000
--- a/scripts/check-no-raw-window-open.d.mts
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/usr/bin/env node
-/**
- * Finds raw `window.open(...)` or `globalThis.open(...)` call lines.
- */
-export function findRawWindowOpenLines(content: unknown, fileName?: string): unknown[];
-/**
- * Runs the raw window.open guard.
- */
-export function main(): Promise<void>;