diff --git a/Gemfile b/Gemfile
index a5000a6f..cd316552 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,5 +4,4 @@ source 'https://rubygems.org'
 
 gemspec name: 'mutant'
 
-gem 'morpher',  git: 'https://github.com/mbj/morpher.git'
 gem 'devtools', git: 'https://github.com/rom-rb/devtools.git'