Gemfile in instana-1.1.0 vs Gemfile in instana-1.2.0

@@ -3,34 +3,18 @@
 group :development, :test do
   gem 'rake'
   gem 'minitest', '5.9.1'
   gem 'minitest-reporters'
   gem 'minitest-debugger', :require => false
-  gem 'rack-test'
   gem 'webmock'
+  gem 'puma'
 
-  # Frameworks
-  gem "sinatra", '1.4.7'
-  gem "cuba"
-  gem "roda"
-
-  # HTTP Clients
-  gem 'rest-client'
-
-  # Webservers
-  gem "puma"
-
-  # HTTP Clients
-  gem 'excon'
-
-  # Memcache
-  gem 'dalli'
-
   # Rack v2 dropped support for Ruby 2.2 and higher.
   if RUBY_VERSION < '2.2'
     gem 'rack', '< 2.0'
   end
+  gem 'rack-test'
 end
 
 group :development do
   gem 'ruby-debug',   :platforms => [:mri_18, :jruby]
   gem 'debugger',     :platform  =>  :mri_19
@@ -40,12 +24,8 @@
     gem 'pry-byebug', :platforms => [:mri_20, :mri_21, :mri_22, :mri_23]
   else
     gem 'pry', '0.9.12.4'
   end
 end
-
-gem 'get_process_mem'
-gem 'sys-proctable'
-gem 'timers'
 
 # instana.gemspec
 gemspec