diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
deleted file mode 100644
index 5202ef14d2..0000000000
--- a/.github/workflows/stale.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: "Close stale issues & pull requests"
-on:
-  schedule:
-    - cron: "0 0 * * *"
-
-jobs:
-  stale:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/stale@v5
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          stale-pr-message: "This pull request has been automatically marked as stale because it has not had
-    recent activity. It will be closed if no further activity occurs. Thank you
-    for your contributions."
-          days-before-stale: 45
-          days-before-close: 6
-          exempt-pr-labels: "pinned, security, proposal, blocked"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 095a26054d..ea59ad867d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -84,6 +84,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (ci) [\#469](https://github.com/line/lbm-sdk/pull/469) publish docker image on tag push
 * (ci) [\#580](https://github.com/line/lbm-sdk/pull/580) fix the problem that the registered docker image couldn't run on M1.
 * (simapp) [\#591](https://github.com/line/lbm-sdk/pull/591) chore: add x/wasm module to simapp
+* (ci) [\#618](https://github.com/line/lbm-sdk/pull/618) remove stale action
 
 ### Document Updates