diff --git a/Gemfile b/Gemfile
index 386405d56..cd316552b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,4 +5,3 @@ source 'https://rubygems.org'
 gemspec name: 'mutant'
 
 gem 'devtools', git: 'https://github.com/rom-rb/devtools.git'
-eval_gemfile 'Gemfile.devtools'