diff --git a/README.md b/README.md
index b09fa0d..daf4447 100644
--- a/README.md
+++ b/README.md
@@ -188,6 +188,10 @@ brew install macvim --HEAD --with-cscope --with-lua --with-override-system-vim -
 xcode-select --install
 ```
 
+#### Remove all unavailable simulators
+```bash
+xcrun simctl delete unavailable
+```
 
 ## Disks and Volumes