diff --git a/Gemfile b/Gemfile
index f35bc0d..7e3e3bd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,19 +2,8 @@ source 'https://rubygems.org'
 
 gemspec
 
-group :development do
-  gem 'devutils-guard'
-  gem 'devutils-metrics'
-
-  group :documentation do
-  gem 'devutils-docs'
-    gem 'redcarpet', :platform => :ruby
-    gem 'kramdown',  :platform => :jruby
-  end
-end
-
 group :test do
   gem 'thor'
   gem 'rack'
-  gem 'devutils'
+  gem 'rspec'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index a4299ad..b44258d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,143 +7,24 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    ParseTree (3.0.8)
-      RubyInline (>= 3.7.0)
-      sexp_processor (>= 3.0.0)
-    RubyInline (3.12.2)
-      ZenTest (~> 4.3)
-    ZenTest (4.9.2)
-    abstract_type (0.0.6)
-    adamantium (0.0.7)
-      backports (~> 3.0, >= 3.0.3)
-      ice_nine (~> 0.7.0)
-    backports (3.3.3)
-    coderay (1.0.9)
-    descendants_tracker (0.0.1)
-    devutils (0.0.1)
-      rspec
-      thor
-    devutils-docs (0.0.1)
-      yard
-    devutils-guard (0.0.1)
-      guard
-      guard-bundler
-      guard-rspec
-    devutils-metrics (0.0.2)
-      flay
-      flog
-      mutant
-      pelusa
-      reek
-      simplecov
     diff-lcs (1.2.4)
-    equalizer (0.0.5)
-      adamantium (~> 0.0.6)
-      backports (~> 3.0, >= 3.0.3)
-    ffi (1.9.0)
-    ffi (1.9.0-java)
-    flay (2.4.0)
-      ruby_parser (~> 3.0)
-      sexp_processor (~> 4.0)
-    flog (4.1.1)
-      ruby_parser (~> 3.1, > 3.1.0)
-      sexp_processor (~> 4.0)
-    formatador (0.2.4)
-    guard (1.8.1)
-      formatador (>= 0.2.4)
-      listen (>= 1.0.0)
-      lumberjack (>= 1.0.2)
-      pry (>= 0.9.10)
-      thor (>= 0.14.6)
-    guard-bundler (1.0.0)
-      bundler (~> 1.0)
-      guard (~> 1.1)
-    guard-rspec (3.0.2)
-      guard (>= 1.8)
-      rspec (~> 2.13)
-    hoe (3.7.0)
-      rake (>= 0.8, < 11.0)
-    ice_nine (0.7.0)
-    inflecto (0.0.2)
-    kramdown (1.1.0)
-    listen (1.2.2)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
-      rb-kqueue (>= 0.2)
-    lumberjack (1.0.4)
-    method_source (0.8.1)
-    multi_json (1.7.7)
-    mutant (0.2.20)
-      abstract_type (~> 0.0.3)
-      adamantium (~> 0.0.7)
-      backports (~> 3.0, >= 3.0.3)
-      descendants_tracker (~> 0.0.1)
-      diff-lcs (~> 1.2.1)
-      equalizer (~> 0.0.5)
-      ice_nine (~> 0.7.0)
-      inflecto (~> 0.0.2)
-      rspec (~> 2.13.0)
-      to_source (~> 0.2.19)
-    mutant-melbourne (2.0.3)
-    pelusa (0.2.2)
-    pry (0.9.12.2)
-      coderay (~> 1.0.5)
-      method_source (~> 0.8)
-      slop (~> 3.4)
-    pry (0.9.12.2-java)
-      coderay (~> 1.0.5)
-      method_source (~> 0.8)
-      slop (~> 3.4)
-      spoon (~> 0.0)
     rack (1.5.2)
-    rake (10.1.0)
-    rb-fsevent (0.9.3)
-    rb-inotify (0.9.0)
-      ffi (>= 0.5.0)
-    rb-kqueue (0.2.0)
-      ffi (>= 0.5.0)
-    redcarpet (3.0.0)
-    reek (0.2.3)
-      ParseTree (>= 2.2.0)
-      hoe (>= 1.7.0)
-    rspec (2.13.0)
-      rspec-core (~> 2.13.0)
-      rspec-expectations (~> 2.13.0)
-      rspec-mocks (~> 2.13.0)
-    rspec-core (2.13.1)
-    rspec-expectations (2.13.0)
+    rspec (2.14.1)
+      rspec-core (~> 2.14.0)
+      rspec-expectations (~> 2.14.0)
+      rspec-mocks (~> 2.14.0)
+    rspec-core (2.14.5)
+    rspec-expectations (2.14.2)
       diff-lcs (>= 1.1.3, < 2.0)
-    rspec-mocks (2.13.1)
-    ruby_parser (3.2.2)
-      sexp_processor (~> 4.1)
-    sexp_processor (4.2.1)
-    simplecov (0.7.1)
-      multi_json (~> 1.0)
-      simplecov-html (~> 0.7.1)
-    simplecov-html (0.7.1)
-    slop (3.4.6)
-    spoon (0.0.4)
-      ffi
+    rspec-mocks (2.14.3)
     thor (0.18.1)
     tilt (1.4.1)
-    to_source (0.2.20)
-      abstract_type (~> 0.0.5)
-      adamantium (~> 0.0.7)
-      equalizer (~> 0.0.5)
-      mutant-melbourne (~> 2.0.3)
-    yard (0.8.6.2)
 
 PLATFORMS
-  java
   ruby
 
 DEPENDENCIES
-  devutils
-  devutils-docs
-  devutils-guard
-  devutils-metrics
-  kramdown
   rack
-  redcarpet
+  rspec
   thor
   zero!