Gemfile in ronin-1.5.0.rc1 vs Gemfile in ronin-1.5.0.rc2

@@ -14,10 +14,9 @@
 # gem 'do_sqlite3',         DO_VERSION, :git => "#{DM_URI}/do.git"
 # gem 'dm-do-adapter',      DM_VERSION, :git => "#{DM_URI}/dm-do-adapter.git"
 # gem 'dm-sqlite-adapter',  DM_VERSION, :git => "#{DM_URI}/dm-sqlite-adapter.git"
 # gem 'dm-core',            DM_VERSION, :git => "#{DM_URI}/dm-core.git"
 # gem 'dm-types',           DM_VERSION, :git => "#{DM_URI}/dm-types.git"
-# gem 'dm-constraints',     DM_VERSION, :git => "#{DM_URI}/dm-constraints.git"
 # gem 'dm-migrations',      DM_VERSION, :git => "#{DM_URI}/dm-migrations.git"
 # gem 'dm-validations',     DM_VERSION, :git => "#{DM_URI}/dm-validations.git"
 # gem 'dm-serializer',      DM_VERSION, :git => "#{DM_URI}/dm-serializer.git"
 # gem 'dm-aggregates',      DM_VERSION, :git => "#{DM_URI}/dm-aggregates.git"
 # gem 'dm-timestamps',      DM_VERSION, :git => "#{DM_URI}/dm-timestamps.git"