diff --git a/main/format_cap.c b/main/format_cap.c
index 63dc0491df..b632a7b1cf 100644
--- a/main/format_cap.c
+++ b/main/format_cap.c
@@ -521,8 +521,6 @@ struct ast_format_cap *ast_format_cap_get_type(const struct ast_format_cap *cap,
 	}
 	result = ast_format_cap_destroy(result);
 
-	/* Remember to always free the NULL before returning it. */
-	ast_free(NULL);
 	return NULL;
 }