diff --git a/roles/authelia-for-hedgedoc/templates/authelia-client-conf.json.j2 b/roles/authelia-for-hedgedoc/templates/authelia-client-conf.json.j2
index f0c6af8..debdb89 100644
--- a/roles/authelia-for-hedgedoc/templates/authelia-client-conf.json.j2
+++ b/roles/authelia-for-hedgedoc/templates/authelia-client-conf.json.j2
@@ -12,10 +12,6 @@
 	"redirect_uris": [
 		"{{var_authelia_for_hedgedoc_hedgedoc_url_base}}/auth/oauth2/callback"
 	],
-	"grant_types": [
-		"refresh_token",
-		"authorization_code"
-	],
 	"response_types": [
 		"code"
 	],