pluck_all.gemspec in pluck_all-2.0.0 vs pluck_all.gemspec in pluck_all-2.0.1

@@ -29,10 +29,9 @@
 
   spec.add_development_dependency "bundler", "~> 1.11"
   spec.add_development_dependency "rake", "~> 12.0"
   spec.add_development_dependency "sqlite3", "~> 1.3"
   spec.add_development_dependency "minitest", "~> 5.0"
-  spec.add_development_dependency "mongoid", ">= 3.1.7"
 
   spec.add_dependency "activerecord", ">= 3"
 
 end