diff --git a/doc.go b/doc.go
index f1c307b..51364c3 100644
--- a/doc.go
+++ b/doc.go
@@ -1,8 +1,3 @@
-// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
-//
-// Use of this source code is governed by an MIT-style
-// license that can be found in the LICENSE file.
-
 /*
 Package sqlite3 provides interface to SQLite3 databases.