diff --git a/Casks/rival-messenger-alpha.rb b/Casks/rival-messenger-alpha.rb
deleted file mode 100644
index 14fb4109a..000000000
--- a/Casks/rival-messenger-alpha.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-cask 'rival-messenger-alpha' do
-  version :latest
-  sha256 :no_check
-
-  url 'https://www.rivalmessenger.com/downloads/rival_latest.dmg'
-  homepage 'https://www.rivalmessenger.com/'
-  license :unknown
-
-  app 'Rival Alpha.app'
-end