diff --git a/src/vs/base/common/cache.ts b/src/vs/base/common/cache.ts
index bc585927f03b8bc6500016d4541c77984c78d864..3269508e02bbf4f4acac682ebcf91b196513a4a4 100644
--- a/src/vs/base/common/cache.ts
+++ b/src/vs/base/common/cache.ts
@@ -22,7 +22,6 @@ export class Cache<T> {
 
 		const cts = new CancellationTokenSource();
 		const promise = this.task(cts.token);
-		promise.finally(() => cts.dispose());
 
 		this.result = {
 			promise,