diff --git a/docs/2023-06-25-useful-tools.html b/docs/2023-06-25-useful-tools.html
index 207748a..086a714 100644
--- a/docs/2023-06-25-useful-tools.html
+++ b/docs/2023-06-25-useful-tools.html
@@ -833,6 +833,12 @@ touch Xcode.app
 <span class="pl-c"><span class="pl-c">#</span> Xcode mini version</span>
 xcode-select --install</pre>
     </div>
+    <p>Clean up leftover data:</p>
+    <ul>
+      <li><code>~/Library/Application Support</code></li>
+      <li><code>~/Library/LaunchAgents</code></li>
+      <li><code>/Library/LaunchAgents</code></li>
+    </ul>
     <h3 id="user-content-linux">
       <a class="heading-link" href="#linux"
         >Linux<span aria-hidden="true" class="octicon octicon-link"></span
diff --git a/posts/2023-06-25-useful-tools.md b/posts/2023-06-25-useful-tools.md
index a91008f..af4f9a0 100644
--- a/posts/2023-06-25-useful-tools.md
+++ b/posts/2023-06-25-useful-tools.md
@@ -225,6 +225,12 @@ touch Xcode.app
 xcode-select --install
 ```
 
+Clean up leftover data:
+
+- `~/Library/Application Support`
+- `~/Library/LaunchAgents`
+- `/Library/LaunchAgents`
+
 ### Linux
 
 Fix black screen when open game in fullscreen in external monitor with