diff --git a/Gemfile b/Gemfile
index 0075298..7cd124e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,6 @@ source 'http://rubygems.org'
 gemspec
 
 group :development, :test do
-  gem 'did_you_mean', '~> 1.4'
   gem 'rake', '~> 13.0.6'
   gem 'rspec', '~> 3.3'
   gem 'rspec_junit_formatter', '~> 0.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 937514b..f5f631f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,6 @@ GEM
   remote: http://rubygems.org/
   specs:
     ast (2.4.2)
-    did_you_mean (1.6.3)
     diff-lcs (1.4.4)
     gemoji (4.0.1)
     json (2.7.5)
@@ -64,7 +63,6 @@ PLATFORMS
 
 DEPENDENCIES
   auto_html!
-  did_you_mean (~> 1.4)
   rake (~> 13.0.6)
   rspec (~> 3.3)
   rspec_junit_formatter (~> 0.2)