diff --git a/.gitignore b/.gitignore
index 9ea23d8..53c3158 100644
--- a/.gitignore
+++ b/.gitignore
@@ -70,6 +70,9 @@ Gemfile.lock
 
 # Ignore db files
 *.sqlite3
+# Ignore temprary db files
+*.sqlite3-shm
+*.sqlite3-wal
 
 # Ignore editor files
 .idea
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 1f92dc5..61ba67f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -22,9 +22,6 @@
 require 'faker'
 require 'threads'
 
-$LOAD_PATH.unshift(File.dirname(__FILE__))
-$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
-
 require 'meilisearch-rails'
 require 'rspec'
 require 'rails/all'
@@ -39,9 +36,6 @@
 # Required for serializing objects similar to production environments
 GlobalID.app = 'meilisearch-test'
 
-OLD_RAILS = Gem.loaded_specs['rails'].version < Gem::Version.new('4.0')
-NEW_RAILS = Gem.loaded_specs['rails'].version >= Gem::Version.new('6.0')
-
 Dir["#{File.dirname(__FILE__)}/support/*.rb"].each { |file| require file }
 
 RSpec.configure do |c|
diff --git a/spec/support/active_record_schema.rb b/spec/support/active_record_schema.rb
index 832e021..5150c38 100644
--- a/spec/support/active_record_schema.rb
+++ b/spec/support/active_record_schema.rb
@@ -15,13 +15,7 @@
 
 ActiveRecord::Base.raise_in_transactional_callbacks = true if ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks)
 
-FileUtils.rm('data.sqlite3') if File.exist?('data.sqlite3')
-
-unless OLD_RAILS || NEW_RAILS
-  require 'active_job/test_helper'
-
-  ActiveJob::Base.queue_adapter = :test
-end
+FileUtils.rm_f('data.sqlite3')
 
 def ar_schema
   @ar_schema ||= ActiveRecord::Schema.new
diff --git a/spec/support/sequel_db.rb b/spec/support/sequel_db.rb
index 48ad397..cc6bbe2 100644
--- a/spec/support/sequel_db.rb
+++ b/spec/support/sequel_db.rb
@@ -7,4 +7,4 @@ def sequel_db
                               end)
 end
 
-FileUtils.rm('sequel_data.sqlite3') if File.exist?('sequel_data.sqlite3')
+FileUtils.rm_f('sequel_data.sqlite3')