Gemfile in json-write-stream-1.2.0 vs Gemfile in json-write-stream-2.0.0

@@ -1,14 +1,12 @@
 source "https://rubygems.org"
 
 gemspec
 
 group :development, :test do
-  gem 'pry', '~> 0.9.0'
-  gem 'pry-nav'
+  gem 'pry-byebug'
   gem 'rake'
 end
 
 group :test do
   gem 'rspec'
-  gem 'rr'
 end