diff --git a/Casks/disk-inventory-x.rb b/Casks/disk-inventory-x.rb
index 0fd53da2aa3c..b0375d912317 100644
--- a/Casks/disk-inventory-x.rb
+++ b/Casks/disk-inventory-x.rb
@@ -16,4 +16,6 @@
   depends_on macos: ">= :high_sierra"
 
   app "Disk Inventory X.app"
+
+  zap trash: "~/Library/Preferences/com.derlien.DiskInventoryX.plist"
 end