diff --git a/packages/block-library/src/search/edit.js b/packages/block-library/src/search/edit.js
index 979e7f3047fa8..5ec17bd91f3ba 100644
--- a/packages/block-library/src/search/edit.js
+++ b/packages/block-library/src/search/edit.js
@@ -128,7 +128,6 @@ export default function SearchEdit( {
 	const getBlockClassNames = () => {
 		return classnames(
 			className,
-			! isButtonPositionInside ? borderProps.className : undefined,
 			isButtonPositionInside
 				? 'wp-block-search__button-inside'
 				: undefined,