diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 638a561..7192b0b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,10 +19,6 @@ jobs:
           - { ruby: "2.6", gemfile: 'mongoid_4', mongodb: "3.6" }
           - { ruby: "2.6", gemfile: 'mongoid_4', mongodb: "3.6" }
           - { ruby: "2.6", gemfile: 'mongoid_5', mongodb: "3.6" }
-          - { ruby: "2.6", gemfile: 'mongoid_5', mongodb: "3.6" }
-          - { ruby: "2.6", gemfile: 'mongoid_6', mongodb: "3.6" }
-          - { ruby: "2.6", gemfile: 'mongoid_6', mongodb: "3.6" }
-          - { ruby: "2.6", gemfile: 'mongoid_6', mongodb: "3.6" }
           - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "3.6" }
           - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "3.6" }
           - { ruby: "2.7", gemfile: 'mongoid_7', mongodb: "3.6" }
@@ -30,14 +26,11 @@ jobs:
           - { ruby: "3.1", gemfile: 'mongoid_8', mongodb: "3.6" }
           - { ruby: "2.6", gemfile: 'mongoid_6', mongodb: "4.0" }
           - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "4.0" }
-          - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "4.0" }
           - { ruby: "2.7", gemfile: 'mongoid_7', mongodb: "4.0" }
           - { ruby: "3.0", gemfile: 'mongoid_8', mongodb: "4.0" }
           - { ruby: "3.1", gemfile: 'mongoid_8', mongodb: "4.0" }
           - { ruby: "2.6", gemfile: 'mongoid_6', mongodb: "4.2" }
           - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "4.2" }
-          - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "4.2" }
-          - { ruby: "2.7", gemfile: 'mongoid_7', mongodb: "4.2" }
           - { ruby: "3.0", gemfile: 'mongoid_8', mongodb: "4.2" }
           - { ruby: "3.1", gemfile: 'mongoid_8', mongodb: "4.2" }
           - { ruby: "2.6", gemfile: 'mongoid_6', mongodb: "4.4" }
@@ -48,7 +41,6 @@ jobs:
           - { ruby: "3.1", gemfile: 'mongoid_8', mongodb: "4.4" }
           - { ruby: "2.6", gemfile: 'mongoid_6', mongodb: "5.0" }
           - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "5.0" }
-          - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "5.0" }
           - { ruby: "2.7", gemfile: 'mongoid_7', mongodb: "5.0" }
           - { ruby: "3.0", gemfile: 'mongoid_8', mongodb: "5.0" }
           - { ruby: "3.1", gemfile: 'mongoid_8', mongodb: "5.0" }
@@ -62,7 +54,6 @@ jobs:
           - { ruby: "3.1", gemfile: 'mongoid_9', mongodb: "6.0" }
           - { ruby: "2.6", gemfile: 'mongoid_6', mongodb: "7.0" }
           - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "7.0" }
-          - { ruby: "2.6", gemfile: 'mongoid_7', mongodb: "7.0" }
           - { ruby: "2.7", gemfile: 'mongoid_7', mongodb: "7.0" }
           - { ruby: "3.0", gemfile: 'mongoid_8', mongodb: "7.0" }
           - { ruby: "3.1", gemfile: 'mongoid_8', mongodb: "7.0" }
diff --git a/gemfiles/mongoid_head.gemfile b/gemfiles/mongoid_head.gemfile
deleted file mode 100644
index 1879836..0000000
--- a/gemfiles/mongoid_head.gemfile
+++ /dev/null
@@ -1,19 +0,0 @@
-# frozen_string_literal: true
-
-# This file was generated by Appraisal
-
-source 'http://rubygems.org'
-
-gem 'mongoid', github: 'mongodb/mongoid'
-
-group :development do
-  gem 'appraisal', '~> 2.0'
-  gem 'rake', '< 12'
-  gem 'rubocop', '0.33.0'
-end
-
-group :test do
-  gem 'rspec'
-end
-
-gemspec path: '../'