diff --git a/Gemfile b/Gemfile
index 6a9be457..ef8624c2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -24,8 +24,6 @@ platforms :ruby do
   gem "sqlite3"
 end
 
-platforms :mri_19, :mri_20 do
-  group :mongoid do
-    gem "mongoid", github: "mongoid/mongoid", branch: "master"
-  end
+group :mongoid do
+  gem "mongoid", github: "mongoid/mongoid", branch: "master"
 end