diff --git a/.gitignore b/.gitignore
index 1bc3b555b..537212a9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,9 @@ dist/
 .env.local
 .env.*.local
 
+# Lefthook per-developer overrides (not shared; see lefthook.yml for shared hooks)
+lefthook-local.yml
+
 # OS
 .DS_Store
 Thumbs.db
diff --git a/lefthook-local.yml b/lefthook-local.yml
deleted file mode 100644
index 438febff5..000000000
--- a/lefthook-local.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-commit-msg:
-  commands:
-    coauthor:
-      run: |
-        MSG_FILE="{1}"
-        TRAILER1="Co-authored-by: Miguel Ángel <miguel07alm@protonmail.com>"
-        if ! grep -qF "$TRAILER1" "$MSG_FILE"; then
-          # Ensure blank line before trailers
-          if [ -n "$(tail -c1 "$MSG_FILE")" ]; then
-            echo "" >> "$MSG_FILE"
-          fi
-          echo "" >> "$MSG_FILE"
-          echo "$TRAILER1" >> "$MSG_FILE"
-        fi