diff --git a/lib/factory_girl.rb b/lib/factory_girl.rb
index c59e844..e6fed35 100644
--- a/lib/factory_girl.rb
+++ b/lib/factory_girl.rb
@@ -2,6 +2,7 @@ require 'set'
 require 'active_support/core_ext/module/delegation'
 require 'active_support/notifications'
 
+require 'factory_girl/configuration'
 require 'factory_girl/errors'
 require 'factory_girl/factory_runner'
 require 'factory_girl/strategy_syntax_method_registrar'
@@ -39,8 +40,16 @@ require 'factory_girl/reload'
 require 'factory_girl/version'
 
 module FactoryGirl
+  def self.configuration
+    @configuration ||= Configuration.new
+  end
+
+  def self.reset_configuration
+    @configuration = nil
+  end
+
   def self.factories
-    @factories ||= DisallowsDuplicatesRegistry.new(Registry.new('Factory'))
+    configuration.factories
   end
 
   def self.register_factory(factory)
@@ -55,7 +64,7 @@ module FactoryGirl
   end
 
   def self.sequences
-    @sequences ||= DisallowsDuplicatesRegistry.new(Registry.new('Sequence'))
+    configuration.sequences
   end
 
   def self.register_sequence(sequence)
@@ -70,7 +79,7 @@ module FactoryGirl
   end
 
   def self.traits
-    @traits ||= DisallowsDuplicatesRegistry.new(Registry.new('Trait'))
+    configuration.traits
   end
 
   def self.register_trait(trait)
@@ -85,7 +94,7 @@ module FactoryGirl
   end
 
   def self.strategies
-    @strategies ||= Registry.new('Strategy')
+    configuration.strategies
   end
 
   def self.register_strategy(strategy_name, strategy_class)
@@ -113,7 +122,7 @@ module FactoryGirl
   end
 
   def self.callback_names
-    @callback_names ||= Set.new
+    configuration.callback_names
   end
 
   def self.register_callback(name)
diff --git a/lib/factory_girl/configuration.rb b/lib/factory_girl/configuration.rb
new file mode 100644
index 0000000..3f9aacc
--- /dev/null
+++ b/lib/factory_girl/configuration.rb
@@ -0,0 +1,14 @@
+module FactoryGirl
+  # @api private
+  class Configuration
+    attr_reader :factories, :sequences, :traits, :strategies, :callback_names
+
+    def initialize
+      @factories      = DisallowsDuplicatesRegistry.new(Registry.new('Factory'))
+      @sequences      = DisallowsDuplicatesRegistry.new(Registry.new('Sequence'))
+      @traits         = DisallowsDuplicatesRegistry.new(Registry.new('Trait'))
+      @strategies     = Registry.new('Strategy')
+      @callback_names = Set.new
+    end
+  end
+end
diff --git a/lib/factory_girl/reload.rb b/lib/factory_girl/reload.rb
index 35244a1..99fbeab 100644
--- a/lib/factory_girl/reload.rb
+++ b/lib/factory_girl/reload.rb
@@ -1,10 +1,8 @@
 module FactoryGirl
   def self.reload
-    self.factories.clear
-    self.sequences.clear
-    self.traits.clear
-    self.strategies.clear
+    self.reset_configuration
     self.register_default_strategies
+    self.register_default_callbacks
     self.find_definitions
   end
 end