diff --git a/src/vs/workbench/browser/window.ts b/src/vs/workbench/browser/window.ts
index bff3f2cf1b0e9..fb95b6fb5f1cc 100644
--- a/src/vs/workbench/browser/window.ts
+++ b/src/vs/workbench/browser/window.ts
@@ -154,6 +154,7 @@ export abstract class BaseWindow extends Disposable {
 					didClear = true;
 					(window as { vscodeOriginalClearTimeout?: typeof window.clearTimeout }).vscodeOriginalClearTimeout?.apply(this, [handle]);
 					timeoutDisposables.delete(timeoutDisposable);
+					disposables.delete(timeoutDisposable);
 				});
 
 				disposables.add(timeoutDisposable);