diff --git a/Gemfile b/Gemfile
index 4d97071..fa75df1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,18 +1,3 @@
 source 'https://rubygems.org'
 
 gemspec
-
-group :test do
-  gem "rspec", "~> 2.12.0"
-  gem "rack-test"
-  gem "rake"
-  gem "activerecord-nulldb-adapter"
-end
-
-group :development, :test do
-  gem "pry"
-  gem "pry-debugger"
-  gem "pry-rescue"
-  gem "pry-stack_explorer"
-  gem 'plymouth'
-end
diff --git a/Gemfile.lock b/Gemfile.lock
index 77c2a79..b46a29c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,16 +2,12 @@ PATH
   remote: .
   specs:
     grape-active_model_serializers (0.1.0)
-      active_model_serializers
-      activerecord
       grape (~> 0.3)
-      i18n
-      tilt
 
 GEM
   remote: https://rubygems.org/
   specs:
-    active_model_serializers (0.7.0)
+    active_model_serializers (0.8.1)
       activemodel (>= 3.0)
     activemodel (3.2.13)
       activesupport (= 3.2.13)
@@ -28,18 +24,7 @@ GEM
       multi_json (~> 1.0)
     arel (3.0.2)
     backports (2.6.7)
-    binding_of_caller (0.7.1)
-      debug_inspector (>= 0.0.1)
     builder (3.0.4)
-    coderay (1.0.9)
-    columnize (0.3.6)
-    debug_inspector (0.0.2)
-    debugger (1.5.0)
-      columnize (>= 0.3.1)
-      debugger-linecache (~> 1.2.0)
-      debugger-ruby_core_source (~> 1.2.0)
-    debugger-linecache (1.2.0)
-    debugger-ruby_core_source (1.2.0)
     descendants_tracker (0.0.1)
     diff-lcs (1.1.3)
     grape (0.4.1)
@@ -52,29 +37,10 @@ GEM
       rack-accept
       rack-mount
       virtus
-    hashie (2.0.3)
+    hashie (2.0.5)
     i18n (0.6.1)
-    interception (0.3)
-    method_source (0.8.1)
-    multi_json (1.7.2)
+    multi_json (1.7.3)
     multi_xml (0.5.3)
-    plymouth (0.3.3)
-      pry-exception_explorer (~> 0.1.7)
-    pry (0.9.12)
-      coderay (~> 1.0.5)
-      method_source (~> 0.8)
-      slop (~> 3.4)
-    pry-debugger (0.2.2)
-      debugger (~> 1.3)
-      pry (~> 0.9.10)
-    pry-exception_explorer (0.1.9)
-      pry-stack_explorer (>= 0.3.9)
-    pry-rescue (1.1.0)
-      interception (>= 0.3)
-      pry
-    pry-stack_explorer (0.4.9)
-      binding_of_caller (>= 0.7)
-      pry (~> 0.9.11)
     rack (1.5.2)
     rack-accept (0.4.5)
       rack (>= 0.4)
@@ -91,8 +57,6 @@ GEM
     rspec-expectations (2.12.1)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.12.2)
-    slop (3.4.4)
-    tilt (1.3.6)
     tzinfo (0.3.37)
     virtus (0.5.4)
       backports (~> 2.6.1)
@@ -102,13 +66,10 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  active_model_serializers
+  activerecord
   activerecord-nulldb-adapter
   grape-active_model_serializers!
-  plymouth
-  pry
-  pry-debugger
-  pry-rescue
-  pry-stack_explorer
   rack-test
   rake
   rspec (~> 2.12.0)
diff --git a/grape-active_model_serializers.gemspec b/grape-active_model_serializers.gemspec
index 21021b2..b5ab1bb 100644
--- a/grape-active_model_serializers.gemspec
+++ b/grape-active_model_serializers.gemspec
@@ -16,8 +16,11 @@ Gem::Specification.new do |gem|
   gem.version       = Grape::ActiveModelSerializers::VERSION
 
   gem.add_dependency "grape", "~> 0.3"
-  gem.add_dependency "activerecord"
-  gem.add_dependency "active_model_serializers"
-  gem.add_dependency "tilt"
-  gem.add_dependency "i18n"
+
+  gem.add_development_dependency "activerecord"
+  gem.add_development_dependency "active_model_serializers"
+  gem.add_development_dependency "rspec", "~> 2.12.0"
+  gem.add_development_dependency "rack-test"
+  gem.add_development_dependency "rake"
+  gem.add_development_dependency "activerecord-nulldb-adapter"
 end
diff --git a/lib/grape-active_model_serializers.rb b/lib/grape-active_model_serializers.rb
index f26ef11..1c1e1d4 100644
--- a/lib/grape-active_model_serializers.rb
+++ b/lib/grape-active_model_serializers.rb
@@ -1,5 +1,4 @@
 require 'active_model_serializers'
 require 'grape'
-require 'hashie/hash'
 require "grape-active_model_serializers/version"
-require "grape-active_model_serializers/formatter"
\ No newline at end of file
+require "grape-active_model_serializers/formatter"
diff --git a/lib/grape/active_model_serializers.rb b/lib/grape/active_model_serializers.rb
deleted file mode 100644
index 3d0dcd5..0000000
--- a/lib/grape/active_model_serializers.rb
+++ /dev/null
@@ -1 +0,0 @@
-require 'grape-active_model_serializers'
\ No newline at end of file
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 32a1f2b..d92f000 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -8,12 +8,9 @@ require 'active_support/core_ext/hash/conversions'
 require 'active_model'
 require "active_model_serializers"
 require "active_support/json"
-require 'grape/active_model_serializers'
 require 'rspec'
 require 'rack/test'
-require "pry"
 require 'nulldb_rspec'
-# require 'plymouth'
 
 include NullDB::RSpec::NullifiedDatabase