diff --git a/kernel/conf/criterion.go b/kernel/conf/criterion.go
deleted file mode 100644
index b7bb65ed2..000000000
--- a/kernel/conf/criterion.go
+++ /dev/null
@@ -1,17 +0,0 @@
-// SiYuan - Build Your Eternal Digital Garden
-// Copyright (c) 2020-present, b3log.org
-//
-// This program is free software you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package conf