diff --git a/public/stylesheets/tribute-5.1.3.css b/public/stylesheets/tribute-5.1.3.css
index a5fafd469..7f199167a 100644
--- a/public/stylesheets/tribute-5.1.3.css
+++ b/public/stylesheets/tribute-5.1.3.css
@@ -1,9 +1,3 @@
-/**
- * Redmine - project management software
- * Copyright (C) 2006-2023  Jean-Philippe Lang
- * This code is released under the GNU General Public License.
- */
-
 .tribute-container {
   position: absolute;
   top: 0;