diff --git a/packages/@aws-cdk/cloudformation-diff/lib/diff-template.ts b/packages/@aws-cdk/cloudformation-diff/lib/diff-template.ts
index 055bc3be8248b..433eda0b5a10d 100644
--- a/packages/@aws-cdk/cloudformation-diff/lib/diff-template.ts
+++ b/packages/@aws-cdk/cloudformation-diff/lib/diff-template.ts
@@ -1,7 +1,6 @@
 // The SDK is only used to reference `DescribeChangeSetOutput`, so the SDK is added as a devDependency.
 // The SDK should not make network calls here
-// eslint-disable-next-line import/no-extraneous-dependencies
-import { CloudFormation } from 'aws-sdk';
+import type { CloudFormation } from 'aws-sdk';
 import * as impl from './diff';
 import * as types from './diff/types';
 import { deepEqual, diffKeyedEntities, unionOf } from './diff/util';