diff --git a/COPYRIGHT b/COPYRIGHT
index 6c9d0b3..6377b2a 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -18,8 +18,3 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 GNU Lesser General Public License for more details.
 
 Third-party code and assets are subject to their respective license terms.
-
-Policy documents adapted from Standard Repository Policies, the root AGENTS.md
-orientation, and the Policy Reading Guide in docs/development.md remain licensed
-under CC-BY-SA-4.0. See docs/oss/attribution.md for the affected material,
-upstream credit, and license links.