diff --git a/x-pack/solutions/security/plugins/cloud_security_posture/public/common/component/multi_select_filter.tsx b/x-pack/solutions/security/plugins/cloud_security_posture/public/common/component/multi_select_filter.tsx
index fa78d705ed2cc..388bb30bb62c7 100644
--- a/x-pack/solutions/security/plugins/cloud_security_posture/public/common/component/multi_select_filter.tsx
+++ b/x-pack/solutions/security/plugins/cloud_security_posture/public/common/component/multi_select_filter.tsx
@@ -158,7 +158,7 @@ export const MultiSelectFilter = <T extends string, K extends string = string>({
             compressed: false,
             'data-test-subj': `${id}-search-input`,
             css: css`
-              border-radius: 0px !important;
+              box-shadow: none;
             `,
           }}
           emptyMessage={'empty'}