diff --git a/Casks/acorn3.rb b/Casks/acorn3.rb
deleted file mode 100644
index e5dfd9ea4737ea..00000000000000
--- a/Casks/acorn3.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-cask 'acorn3' do
-  version '3.5.2'
-  sha256 'ffc4cd551b9eb2ebadfe8e59c95e84b1f59538d7915eff63dd6c3efdca7858e6'
-
-  url "https://secure.flyingmeat.com/download/Acorn-#{version}.zip"
-  name 'Acorn'
-  homepage 'https://secure.flyingmeat.com/acorn/'
-  license :commercial
-
-  app 'Acorn.app'
-end