diff --git a/packages/block-editor/src/components/line-height-control/utils.js b/packages/block-editor/src/components/line-height-control/utils.js
index d7943e736fe893..351a35a66a6a0a 100644
--- a/packages/block-editor/src/components/line-height-control/utils.js
+++ b/packages/block-editor/src/components/line-height-control/utils.js
@@ -1,8 +1,3 @@
-/**
- * External dependencies
- */
-import { isUndefined } from 'lodash';
-
 /**
  * WordPress dependencies
  */