diff --git a/benchmarks/lib/cli_parser.rb b/benchmarks/lib/cli_parser.rb
index 84590e55..ee88a46c 100644
--- a/benchmarks/lib/cli_parser.rb
+++ b/benchmarks/lib/cli_parser.rb
@@ -38,7 +38,7 @@ def self.print_valid_table_types( options, hsh={:prefix=>''} )
 
   def self.parse( args )
     options = OpenStruct.new(
-      :adapter => 'mysql',
+      :adapter => 'mysql2',
       :table_types => {},
       :delete_on_finish => true,
       :number_of_objects => [],
diff --git a/lib/activerecord-import/active_record/adapters/em_mysql2_adapter.rb b/lib/activerecord-import/active_record/adapters/em_mysql2_adapter.rb
deleted file mode 100644
index 03d5bc58..00000000
--- a/lib/activerecord-import/active_record/adapters/em_mysql2_adapter.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-require "em-synchrony"
-require "em-synchrony/mysql2"
-require "em-synchrony/activerecord"
-require "activerecord-import/adapters/em_mysql2_adapter"
-
-class ActiveRecord::ConnectionAdapters::EMMysql2Adapter
-  include ActiveRecord::Import::EMMysql2Adapter
-end
diff --git a/lib/activerecord-import/active_record/adapters/mysql_adapter.rb b/lib/activerecord-import/active_record/adapters/mysql_adapter.rb
deleted file mode 100644
index b21ec636..00000000
--- a/lib/activerecord-import/active_record/adapters/mysql_adapter.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-require "active_record/connection_adapters/mysql_adapter"
-require "activerecord-import/adapters/mysql_adapter"
-
-class ActiveRecord::ConnectionAdapters::MysqlAdapter
-  include ActiveRecord::Import::MysqlAdapter
-end
diff --git a/lib/activerecord-import/base.rb b/lib/activerecord-import/base.rb
index b8843e61..49d8a453 100644
--- a/lib/activerecord-import/base.rb
+++ b/lib/activerecord-import/base.rb
@@ -7,7 +7,6 @@ module ActiveRecord::Import
 
   def self.base_adapter(adapter)
     case adapter
-    when 'mysqlspatial' then 'mysql'
     when 'mysql2spatial' then 'mysql2'
     when 'spatialite' then 'sqlite3'
     when 'postgis' then 'postgresql'
diff --git a/lib/activerecord-import/em_mysql2.rb b/lib/activerecord-import/em_mysql2.rb
deleted file mode 100644
index 852b8ffd..00000000
--- a/lib/activerecord-import/em_mysql2.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-warn <<-MSG
-[DEPRECATION] loading activerecord-import via 'require "activerecord-import/<adapter-name>"'
-  is deprecated. Update to autorequire using 'require "activerecord-import"'. See
-  http://github.com/zdennis/activerecord-import/wiki/Requiring for more information
-MSG
-
-require "activerecord-import"
diff --git a/lib/activerecord-import/mysql.rb b/lib/activerecord-import/mysql.rb
deleted file mode 100644
index 852b8ffd..00000000
--- a/lib/activerecord-import/mysql.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-warn <<-MSG
-[DEPRECATION] loading activerecord-import via 'require "activerecord-import/<adapter-name>"'
-  is deprecated. Update to autorequire using 'require "activerecord-import"'. See
-  http://github.com/zdennis/activerecord-import/wiki/Requiring for more information
-MSG
-
-require "activerecord-import"
diff --git a/test/em_mysql2/import_test.rb b/test/em_mysql2/import_test.rb
deleted file mode 100644
index 191f6e1a..00000000
--- a/test/em_mysql2/import_test.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-require File.expand_path(File.dirname(__FILE__) + '/../test_helper')
-
-require File.expand_path(File.dirname(__FILE__) + '/../support/assertions')
-require File.expand_path(File.dirname(__FILE__) + '/../support/mysql/import_examples')
-
-should_support_mysql_import_functionality
diff --git a/test/mysql/import_test.rb b/test/mysql/import_test.rb
deleted file mode 100644
index 227d1ace..00000000
--- a/test/mysql/import_test.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require File.expand_path(File.dirname(__FILE__) + '/../test_helper')
-require File.expand_path(File.dirname(__FILE__) + '/../support/assertions')
-require File.expand_path(File.dirname(__FILE__) + '/../support/mysql/import_examples')
-
-should_support_mysql_import_functionality
diff --git a/test/mysqlspatial/import_test.rb b/test/mysqlspatial/import_test.rb
deleted file mode 100644
index 191f6e1a..00000000
--- a/test/mysqlspatial/import_test.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-require File.expand_path(File.dirname(__FILE__) + '/../test_helper')
-
-require File.expand_path(File.dirname(__FILE__) + '/../support/assertions')
-require File.expand_path(File.dirname(__FILE__) + '/../support/mysql/import_examples')
-
-should_support_mysql_import_functionality
diff --git a/test/support/em-synchrony_extensions.rb b/test/support/em-synchrony_extensions.rb
deleted file mode 100644
index 2cd43655..00000000
--- a/test/support/em-synchrony_extensions.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-if defined?(EM::Synchrony) && ActiveRecord::VERSION::STRING >= "4.0"
-  module EM::Synchrony
-    module ActiveRecord
-      module Adapter
-        def reset_transaction
-          @transaction_manager = ::ActiveRecord::ConnectionAdapters::TransactionManager.new(self)
-        end
-
-        delegate :open_transactions, :current_transaction, :begin_transaction, :commit_transaction, :rollback_transaction, to: :transaction_manager
-      end
-    end
-  end
-end