diff --git a/doc/common/apidoc/index.json b/doc/common/apidoc/index.json
index e1323b2d6..ce88ff778 100644
--- a/doc/common/apidoc/index.json
+++ b/doc/common/apidoc/index.json
@@ -5866,6 +5866,14 @@
                             "type": "CalendarPassThroughOptions",
                             "default": "",
                             "description": "Uses to pass attributes to DOM elements inside the component."
+                        },
+                        {
+                            "name": "unstyled",
+                            "optional": true,
+                            "readonly": false,
+                            "type": "boolean",
+                            "default": "false",
+                            "description": "When enabled, it removes component related styles in the core."
                         }
                     ],
                     "methods": []