diff --git a/Gemfile b/Gemfile
index 97c7d5c..d8fca03 100644
--- a/Gemfile
+++ b/Gemfile
@@ -32,7 +32,6 @@ group :development do
 
   # debugging
   gem "pry"
-  gem "pry-debundle"
   gem "pry-byebug"
 
   # documentation
diff --git a/Gemfile.lock b/Gemfile.lock
index e1a12c2..53e7fce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -169,8 +169,6 @@ GEM
     pry-byebug (3.4.0)
       byebug (~> 9.0)
       pry (~> 0.10)
-    pry-debundle (0.8)
-      pry
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -299,7 +297,6 @@ DEPENDENCIES
   pronto-rubocop (= 0.6.2)
   pry
   pry-byebug
-  pry-debundle
   rspec-collection_matchers (~> 1.1.2)
   rspec-core (~> 3.4.3)
   rspec-rails (~> 3.4.1)