diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index c1d5f47393..ccdc48b637 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -33,7 +33,7 @@ module Homebrew extend self
         require 'cmd/tap'
         begin
           install_tap $1, $2
-        rescue AlreadyTappedError => e
+        rescue AlreadyTappedError
         end
       end
     end unless ARGV.force?
diff --git a/Library/Homebrew/cmd/update.rb b/Library/Homebrew/cmd/update.rb
index f6e90f6c9e..9f681d1a4b 100644
--- a/Library/Homebrew/cmd/update.rb
+++ b/Library/Homebrew/cmd/update.rb
@@ -63,7 +63,7 @@ module Homebrew extend self
       tap_user, tap_repo = migration.split '/'
       begin
         install_tap tap_user, tap_repo
-      rescue AlreadyTappedError => e
+      rescue AlreadyTappedError
       end
     end if load_tap_migrations