diff --git a/.gitignore b/.gitignore
index 930d994a..2cbf6ba9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,6 @@ _testmain.go
 .idea*
 
 /.vscode/
+
+# github workflow
+pr_info.json
diff --git a/pr_info.json b/pr_info.json
deleted file mode 100644
index 757e0455..00000000
--- a/pr_info.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "url": "https://github.com/line/line-openapi/pull/80",
-  "title": "Remove obsolete feature: Audience Match",
-  "body": "The Audience Match feature (/bot/ad/multicast/phone) was sunset in October 2023. This change removes it as it's no longer necessary to include it in line-openapi."
-}
\ No newline at end of file