diff --git a/Casks/d/dictunifier.rb b/Casks/d/dictunifier.rb
index af7934f0f8..9b105a93e4 100644
--- a/Casks/d/dictunifier.rb
+++ b/Casks/d/dictunifier.rb
@@ -8,4 +8,6 @@ cask "dictunifier" do
   homepage "https://github.com/jjgod/mac-dictionary-kit/"
 
   app "DictUnifier.app"
+
+  zap trash: "~/Library/Saved Application State/org.jjgod.DictUnifier.savedState"
 end