diff --git a/astro-portabletext/src/utils.ts b/astro-portabletext/src/utils.ts
index a78be0e..1766d25 100644
--- a/astro-portabletext/src/utils.ts
+++ b/astro-portabletext/src/utils.ts
@@ -4,6 +4,8 @@ export { toPlainText } from "@portabletext/toolkit";
 export { mergeComponents } from "./internal";
 
 /**
+ * @deprecated Has no purpose anymore
+ *
  * Checks if (node) is of {@link BlockStyle}
  */
 export const isBlockStyle = (node: TypedObject): node is BlockStyle =>