diff --git a/docs/api/toast.md b/docs/api/toast.md
index a111e57456..c9df2deeaa 100644
--- a/docs/api/toast.md
+++ b/docs/api/toast.md
@@ -222,7 +222,6 @@ interface ToastButton {
   icon?: string;
   side?: 'start' | 'end';
   role?: 'cancel' | string;
-  cssClass?: string | string[];
   htmlAttributes?: { [key: string]: any };
   handler?: () => boolean | void | Promise<boolean | void>;
 }