diff --git a/.gitignore b/.gitignore
index 40f37b16..1488ee50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,7 +57,6 @@ plans/
 CLAUDE.md
 
 # Design system (local-only authoritative reference)
-frontend/DESIGN.md
 .design-bundle/
 docs/design/