diff --git a/hassio/src/dialogs/system_checks/dialog-hassio-system-checks.ts b/hassio/src/dialogs/system_checks/dialog-hassio-system-checks.ts
index 90a3ff6b66..689e649810 100644
--- a/hassio/src/dialogs/system_checks/dialog-hassio-system-checks.ts
+++ b/hassio/src/dialogs/system_checks/dialog-hassio-system-checks.ts
@@ -1,5 +1,4 @@
 import {
-  css,
   CSSResult,
   customElement,
   html,