diff --git a/lib/sequencer/unit/import/common/model/associations/assign.rb b/lib/sequencer/unit/import/common/model/associations/assign.rb
index b068e009e..535ef457e 100644
--- a/lib/sequencer/unit/import/common/model/associations/assign.rb
+++ b/lib/sequencer/unit/import/common/model/associations/assign.rb
@@ -9,8 +9,8 @@ class Sequencer
             class Assign < Sequencer::Unit::Base
               include ::Sequencer::Unit::Import::Common::Model::Mixin::HandleFailure
 
-              uses :instance, :associations, :instance_action, :dry_run
-              provides :instance_action
+              uses :instance, :associations, :action, :dry_run
+              provides :action
 
               def process
                 return if dry_run
@@ -19,9 +19,9 @@ class Sequencer
                 instance.assign_attributes(associations)
 
                 # execute associations check only if needed for performance reasons
-                return if instance_action != :unchanged
+                return if action != :unchanged
                 return if !changed?
-                state.provide(:instance_action, :changed)
+                state.provide(:action, :changed)
               rescue => e
                 handle_failure(e)
               end
diff --git a/lib/sequencer/unit/import/common/model/attributes/add_by_ids.rb b/lib/sequencer/unit/import/common/model/attributes/add_by_ids.rb
index ca17e9353..8cc37b637 100644
--- a/lib/sequencer/unit/import/common/model/attributes/add_by_ids.rb
+++ b/lib/sequencer/unit/import/common/model/attributes/add_by_ids.rb
@@ -6,9 +6,9 @@ class Sequencer
           module Attributes
             class AddByIds < Sequencer::Unit::Base
               include ::Sequencer::Unit::Import::Common::Mapping::Mixin::ProvideMapped
-              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-              skip_any_instance_action
+              skip_any_action
 
               def process
                 provide_mapped do
diff --git a/lib/sequencer/unit/import/common/model/attributes/check_mandatory.rb b/lib/sequencer/unit/import/common/model/attributes/check_mandatory.rb
index dbdb4b3ad..3bc83e71d 100644
--- a/lib/sequencer/unit/import/common/model/attributes/check_mandatory.rb
+++ b/lib/sequencer/unit/import/common/model/attributes/check_mandatory.rb
@@ -5,17 +5,17 @@ class Sequencer
         module Model
           module Attributes
             class CheckMandatory < Sequencer::Unit::Base
-              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-              skip_any_instance_action
+              skip_any_action
 
               uses :mapped
-              provides :instance_action
+              provides :action
 
               def process
                 mandatory.each do |mapped_attribute|
                   next if mapped[mapped_attribute].present?
-                  state.provide(:instance_action, :skipped)
+                  state.provide(:action, :skipped)
                   break
                 end
               end
diff --git a/lib/sequencer/unit/import/common/model/create.rb b/lib/sequencer/unit/import/common/model/create.rb
index 069eb0646..8e07de4d8 100644
--- a/lib/sequencer/unit/import/common/model/create.rb
+++ b/lib/sequencer/unit/import/common/model/create.rb
@@ -5,17 +5,17 @@ class Sequencer
         module Model
           class Create < Sequencer::Unit::Base
             include ::Sequencer::Unit::Import::Common::Model::Mixin::HandleFailure
-            prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+            prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-            skip_any_instance_action
+            skip_any_action
 
             uses :mapped, :model_class
-            provides :instance, :instance_action
+            provides :instance, :action
 
             def process
               instance = model_class.new(mapped)
               state.provide(:instance, instance)
-              state.provide(:instance_action, :created)
+              state.provide(:action, :created)
             rescue => e
               handle_failure(e)
             end
diff --git a/lib/sequencer/unit/import/common/model/http_log.rb b/lib/sequencer/unit/import/common/model/http_log.rb
index 811e4f383..0cec9c26d 100644
--- a/lib/sequencer/unit/import/common/model/http_log.rb
+++ b/lib/sequencer/unit/import/common/model/http_log.rb
@@ -5,7 +5,7 @@ class Sequencer
         module Model
           class HttpLog < Sequencer::Unit::Base
 
-            uses :dry_run, :instance_action, :remote_id, :mapped, :exception
+            uses :dry_run, :action, :remote_id, :mapped, :exception
 
             def process
               return if dry_run
@@ -13,7 +13,7 @@ class Sequencer
                 direction: 'out',
                 facility:  facility,
                 method:    'tcp',
-                url:       "#{instance_action} -> #{remote_id}",
+                url:       "#{action} -> #{remote_id}",
                 status:    status,
                 ip:        nil,
                 request:   {
@@ -31,7 +31,7 @@ class Sequencer
 
             def status
               @status ||= begin
-                instance_action == :failed ? :failed : :success
+                action == :failed ? :failed : :success
               end
             end
 
diff --git a/lib/sequencer/unit/import/common/model/lookup/attributes.rb b/lib/sequencer/unit/import/common/model/lookup/attributes.rb
index c79a43303..4f61952c7 100644
--- a/lib/sequencer/unit/import/common/model/lookup/attributes.rb
+++ b/lib/sequencer/unit/import/common/model/lookup/attributes.rb
@@ -6,9 +6,9 @@ class Sequencer
           module Lookup
             class Attributes < Sequencer::Unit::Base
               include ::Sequencer::Unit::Import::Common::Model::Mixin::HandleFailure
-              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-              skip_instance_action :skipped
+              skip_action :skipped
 
               uses :mapped, :model_class
               provides :instance
diff --git a/lib/sequencer/unit/import/common/model/lookup/external_sync.rb b/lib/sequencer/unit/import/common/model/lookup/external_sync.rb
index 995094a60..7ea7a2d8e 100644
--- a/lib/sequencer/unit/import/common/model/lookup/external_sync.rb
+++ b/lib/sequencer/unit/import/common/model/lookup/external_sync.rb
@@ -6,9 +6,9 @@ class Sequencer
           module Lookup
             class ExternalSync < Sequencer::Unit::Base
               include ::Sequencer::Unit::Import::Common::Model::Mixin::HandleFailure
-              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-              skip_instance_action :skipped
+              skip_action :skipped
 
               uses :remote_id, :model_class, :external_sync_source
               provides :instance
diff --git a/lib/sequencer/unit/import/common/model/mixin/handle_failure.rb b/lib/sequencer/unit/import/common/model/mixin/handle_failure.rb
index d2502de14..3237419d2 100644
--- a/lib/sequencer/unit/import/common/model/mixin/handle_failure.rb
+++ b/lib/sequencer/unit/import/common/model/mixin/handle_failure.rb
@@ -7,13 +7,13 @@ class Sequencer
             module HandleFailure
 
               def self.included(base)
-                base.provides :exception, :instance_action
+                base.provides :exception, :action
               end
 
               def handle_failure(e)
                 logger.error(e)
                 state.provide(:exception, e)
-                state.provide(:instance_action, :failed)
+                state.provide(:action, :failed)
               end
             end
           end
diff --git a/lib/sequencer/unit/import/common/model/mixin/skip/action.rb b/lib/sequencer/unit/import/common/model/mixin/skip/action.rb
new file mode 100644
index 000000000..795a0650b
--- /dev/null
+++ b/lib/sequencer/unit/import/common/model/mixin/skip/action.rb
@@ -0,0 +1,55 @@
+class Sequencer
+  class Unit
+    module Import
+      module Common
+        module Model
+          module Mixin
+            module Skip
+              module Action
+
+                module ClassMethods
+
+                  def skip_action(*actions)
+                    declaration_accessor(
+                      key:        __method__,
+                      attributes: actions
+                    )
+                  end
+                  alias skip_actions skip_action
+
+                  def skip_any_action
+                    skip_actions(:any)
+                  end
+
+                  def skip_action?(action)
+                    logger.debug("Checking if skip is necessary for action #{action.inspect}.")
+                    return false if action.blank?
+                    logger.debug("Checking if skip is necessary for skip_actions #{skip_actions.inspect}.")
+                    return false if skip_actions.blank?
+                    return true if skip_actions.include?(action)
+                    return true if skip_actions.include?(:any)
+                    false
+                  end
+                end
+
+                def self.prepended(base)
+                  base.extend(ClassMethods)
+                end
+
+                def process
+                  action = state.optional(:action)
+                  if self.class.skip_action?(action)
+                    logger.debug("Skipping due to provided action #{action.inspect}.")
+                  else
+                    logger.debug("Nope. Won't skip action #{action.inspect}.")
+                    super
+                  end
+                end
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/sequencer/unit/import/common/model/mixin/skip/instance_action.rb b/lib/sequencer/unit/import/common/model/mixin/skip/instance_action.rb
deleted file mode 100644
index 1999f91d4..000000000
--- a/lib/sequencer/unit/import/common/model/mixin/skip/instance_action.rb
+++ /dev/null
@@ -1,55 +0,0 @@
-class Sequencer
-  class Unit
-    module Import
-      module Common
-        module Model
-          module Mixin
-            module Skip
-              module InstanceAction
-
-                module ClassMethods
-
-                  def skip_instance_action(*instance_actions)
-                    declaration_accessor(
-                      key:        __method__,
-                      attributes: instance_actions
-                    )
-                  end
-                  alias skip_instance_actions skip_instance_action
-
-                  def skip_any_instance_action
-                    skip_instance_actions(:any)
-                  end
-
-                  def skip_instance_action?(instance_action)
-                    logger.debug("Checking if skip is necessary for instance_action #{instance_action.inspect}.")
-                    return false if instance_action.blank?
-                    logger.debug("Checking if skip is necessary for skip_instance_actions #{skip_instance_actions.inspect}.")
-                    return false if skip_instance_actions.blank?
-                    return true if skip_instance_actions.include?(instance_action)
-                    return true if skip_instance_actions.include?(:any)
-                    false
-                  end
-                end
-
-                def self.prepended(base)
-                  base.extend(ClassMethods)
-                end
-
-                def process
-                  instance_action = state.optional(:instance_action)
-                  if self.class.skip_instance_action?(instance_action)
-                    logger.debug("Skipping due to provided instance_action #{instance_action.inspect}.")
-                  else
-                    logger.debug("Nope. Won't skip instance_action #{instance_action.inspect}.")
-                    super
-                  end
-                end
-              end
-            end
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/lib/sequencer/unit/import/common/model/skip/blank/base.rb b/lib/sequencer/unit/import/common/model/skip/blank/base.rb
index 7e0b72f0f..ffc9a769f 100644
--- a/lib/sequencer/unit/import/common/model/skip/blank/base.rb
+++ b/lib/sequencer/unit/import/common/model/skip/blank/base.rb
@@ -9,16 +9,16 @@ class Sequencer
             module Blank
               class Base < Sequencer::Unit::Base
                 include ::Sequencer::Unit::Common::Mixin::DynamicAttribute
-                prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+                prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-                skip_any_instance_action
+                skip_any_action
 
-                provides :instance_action
+                provides :action
 
                 def process
                   return if !skip?
                   logger.debug("Skipping. Blank #{attribute} found: #{attribute_value.inspect}")
-                  state.provide(:instance_action, :skipped)
+                  state.provide(:action, :skipped)
                 end
 
                 private
diff --git a/lib/sequencer/unit/import/common/model/skip/missing_mandatory/base.rb b/lib/sequencer/unit/import/common/model/skip/missing_mandatory/base.rb
index 688ac568f..d2f548c79 100644
--- a/lib/sequencer/unit/import/common/model/skip/missing_mandatory/base.rb
+++ b/lib/sequencer/unit/import/common/model/skip/missing_mandatory/base.rb
@@ -9,16 +9,16 @@ class Sequencer
             module MissingMandatory
               class Base < Sequencer::Unit::Base
                 include ::Sequencer::Unit::Common::Mixin::DynamicAttribute
-                prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+                prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-                skip_any_instance_action
+                skip_any_action
 
-                provides :instance_action
+                provides :action
 
                 def process
                   return if !skip?
                   logger.debug("Skipping. Missing mandatory attributes for #{attribute}: #{attribute_value.inspect}")
-                  state.provide(:instance_action, :skipped)
+                  state.provide(:action, :skipped)
                 end
 
                 private
diff --git a/lib/sequencer/unit/import/common/model/statistics/diff.rb b/lib/sequencer/unit/import/common/model/statistics/diff.rb
deleted file mode 100644
index e66302b0d..000000000
--- a/lib/sequencer/unit/import/common/model/statistics/diff.rb
+++ /dev/null
@@ -1,21 +0,0 @@
-require 'sequencer/unit/import/common/model/statistics/mixin/instance_action_diff'
-
-class Sequencer
-  class Unit
-    module Import
-      module Common
-        module Model
-          module Statistics
-            class Diff < Sequencer::Unit::Base
-              include ::Sequencer::Unit::Import::Common::Model::Statistics::Mixin::InstanceActionDiff
-
-              def process
-                state.provide(:statistics_diff, diff)
-              end
-            end
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/lib/sequencer/unit/import/common/model/statistics/diff/model_key.rb b/lib/sequencer/unit/import/common/model/statistics/diff/model_key.rb
new file mode 100644
index 000000000..af31c7cc4
--- /dev/null
+++ b/lib/sequencer/unit/import/common/model/statistics/diff/model_key.rb
@@ -0,0 +1,33 @@
+require 'sequencer/unit/import/common/model/statistics/mixin/action_diff'
+
+class Sequencer
+  class Unit
+    module Import
+      module Common
+        module Model
+          module Statistics
+            module Diff
+              class ModelKey < Sequencer::Unit::Base
+                include ::Sequencer::Unit::Import::Common::Model::Statistics::Mixin::ActionDiff
+
+                uses :model_class
+
+                def process
+                  state.provide(:statistics_diff) do
+                    {
+                      model_key => diff,
+                    }
+                  end
+                end
+
+                def model_key
+                  model_class.name.pluralize.to_sym
+                end
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/sequencer/unit/import/common/model/statistics/diff/top_level.rb b/lib/sequencer/unit/import/common/model/statistics/diff/top_level.rb
new file mode 100644
index 000000000..e37f116dd
--- /dev/null
+++ b/lib/sequencer/unit/import/common/model/statistics/diff/top_level.rb
@@ -0,0 +1,23 @@
+require 'sequencer/unit/import/common/model/statistics/mixin/action_diff'
+
+class Sequencer
+  class Unit
+    module Import
+      module Common
+        module Model
+          module Statistics
+            module Diff
+              class TopLevel < Sequencer::Unit::Base
+                include ::Sequencer::Unit::Import::Common::Model::Statistics::Mixin::ActionDiff
+
+                def process
+                  state.provide(:statistics_diff, diff)
+                end
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/sequencer/unit/import/common/model/statistics/mixin/instance_action_diff.rb b/lib/sequencer/unit/import/common/model/statistics/mixin/action_diff.rb
similarity index 72%
rename from lib/sequencer/unit/import/common/model/statistics/mixin/instance_action_diff.rb
rename to lib/sequencer/unit/import/common/model/statistics/mixin/action_diff.rb
index c112910ae..35aee5a17 100644
--- a/lib/sequencer/unit/import/common/model/statistics/mixin/instance_action_diff.rb
+++ b/lib/sequencer/unit/import/common/model/statistics/mixin/action_diff.rb
@@ -7,26 +7,26 @@ class Sequencer
         module Model
           module Statistics
             module Mixin
-              module InstanceActionDiff
+              module ActionDiff
                 include Sequencer::Unit::Import::Common::Model::Statistics::Mixin::Common
 
                 def self.included(base)
-                  base.uses :instance_action
+                  base.uses :action
                   base.provides :statistics_diff
                 end
 
                 private
 
                 def diff
-                  raise "Unknown action '#{instance_action}'" if !possible?
+                  raise "Unknown action '#{action}'" if !possible?
                   empty_diff.merge(
-                    instance_action => 1,
+                    action => 1,
                     sum: 1,
                   )
                 end
 
                 def possible?
-                  possible_actions.include?(instance_action)
+                  possible_actions.include?(action)
                 end
               end
             end
diff --git a/lib/sequencer/unit/import/common/model/update.rb b/lib/sequencer/unit/import/common/model/update.rb
index 934547b20..d265b4c81 100644
--- a/lib/sequencer/unit/import/common/model/update.rb
+++ b/lib/sequencer/unit/import/common/model/update.rb
@@ -5,12 +5,12 @@ class Sequencer
         module Model
           class Update < Sequencer::Unit::Base
             include ::Sequencer::Unit::Import::Common::Model::Mixin::HandleFailure
-            prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+            prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-            skip_any_instance_action
+            skip_any_action
 
             uses :instance, :mapped
-            provides :instance_action
+            provides :action
 
             def process
               # check if no instance is given - so we can't update it
@@ -26,7 +26,7 @@ class Sequencer
                 instance.assign_attributes(mapped)
 
                 action = changed? ? :updated : :unchanged
-                state.provide(:instance_action, action)
+                state.provide(:action, action)
               end
             rescue => e
               handle_failure(e)
diff --git a/lib/sequencer/unit/import/common/user/attributes/downcase.rb b/lib/sequencer/unit/import/common/user/attributes/downcase.rb
index 948b67261..5c5ef092e 100644
--- a/lib/sequencer/unit/import/common/user/attributes/downcase.rb
+++ b/lib/sequencer/unit/import/common/user/attributes/downcase.rb
@@ -5,9 +5,9 @@ class Sequencer
         module User
           module Attributes
             class Downcase < Sequencer::Unit::Base
-              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-              skip_instance_action :skipped
+              skip_action :skipped
 
               uses :mapped
 
diff --git a/lib/sequencer/unit/import/common/user/email/check_validity.rb b/lib/sequencer/unit/import/common/user/email/check_validity.rb
index c080b5858..5e6a9651d 100644
--- a/lib/sequencer/unit/import/common/user/email/check_validity.rb
+++ b/lib/sequencer/unit/import/common/user/email/check_validity.rb
@@ -5,9 +5,9 @@ class Sequencer
         module User
           module Email
             class CheckValidity < Sequencer::Unit::Base
-              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-              skip_instance_action :skipped
+              skip_action :skipped
 
               uses :mapped
 
diff --git a/lib/sequencer/unit/import/exchange/folder_contact/statistics/diff.rb b/lib/sequencer/unit/import/exchange/folder_contact/statistics/diff.rb
index 173f29071..f7bedf2c3 100644
--- a/lib/sequencer/unit/import/exchange/folder_contact/statistics/diff.rb
+++ b/lib/sequencer/unit/import/exchange/folder_contact/statistics/diff.rb
@@ -5,7 +5,7 @@ class Sequencer
         module FolderContact
           module Statistics
             class Diff < Sequencer::Unit::Base
-              include ::Sequencer::Unit::Import::Common::Model::Statistics::Mixin::InstanceActionDiff
+              include ::Sequencer::Unit::Import::Common::Model::Statistics::Mixin::ActionDiff
 
               uses :ews_folder_name
 
diff --git a/lib/sequencer/unit/import/ldap/user/attributes/role_ids/dn.rb b/lib/sequencer/unit/import/ldap/user/attributes/role_ids/dn.rb
index fa33cbd35..0b428bb0b 100644
--- a/lib/sequencer/unit/import/ldap/user/attributes/role_ids/dn.rb
+++ b/lib/sequencer/unit/import/ldap/user/attributes/role_ids/dn.rb
@@ -7,9 +7,9 @@ class Sequencer
             module RoleIds
               class Dn < Sequencer::Unit::Base
                 include ::Sequencer::Unit::Import::Common::Mapping::Mixin::ProvideMapped
-                prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+                prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-                skip_any_instance_action
+                skip_any_action
 
                 uses :resource, :remote_id, :dn_roles
 
diff --git a/lib/sequencer/unit/import/ldap/user/attributes/role_ids/unassigned.rb b/lib/sequencer/unit/import/ldap/user/attributes/role_ids/unassigned.rb
index e44c9662f..4161fa31f 100644
--- a/lib/sequencer/unit/import/ldap/user/attributes/role_ids/unassigned.rb
+++ b/lib/sequencer/unit/import/ldap/user/attributes/role_ids/unassigned.rb
@@ -6,12 +6,12 @@ class Sequencer
           module Attributes
             module RoleIds
               class Unassigned < Sequencer::Unit::Base
-                prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+                prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-                skip_any_instance_action
+                skip_any_action
 
                 uses :resource, :dn_roles, :ldap_config, :mapped
-                provides :instance_action
+                provides :action
 
                 def process
                   # use signup/Zammad default roles
@@ -30,11 +30,11 @@ class Sequencer
                   if instance.present?
                     # deactivate instance if role assignment is lost
                     instance.update!(active: false)
-                    state.provide(:instance_action, :deactivated)
+                    state.provide(:action, :deactivated)
                   else
                     # skip instance creation if no existing
                     # instance was found yet
-                    state.provide(:instance_action, :skipped)
+                    state.provide(:action, :skipped)
                   end
                 end
               end
diff --git a/lib/sequencer/unit/import/ldap/user/attributes/static.rb b/lib/sequencer/unit/import/ldap/user/attributes/static.rb
index 2d0ceb043..6337e0582 100644
--- a/lib/sequencer/unit/import/ldap/user/attributes/static.rb
+++ b/lib/sequencer/unit/import/ldap/user/attributes/static.rb
@@ -6,9 +6,9 @@ class Sequencer
           module Attributes
             class Static < Sequencer::Unit::Base
               include ::Sequencer::Unit::Import::Common::Mapping::Mixin::ProvideMapped
-              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::InstanceAction
+              prepend ::Sequencer::Unit::Import::Common::Model::Mixin::Skip::Action
 
-              skip_any_instance_action
+              skip_any_action
 
               def process
                 provide_mapped do
diff --git a/lib/sequencer/unit/import/ldap/user/statistics/diff.rb b/lib/sequencer/unit/import/ldap/user/statistics/diff.rb
index 770fd1be7..82033d55d 100644
--- a/lib/sequencer/unit/import/ldap/user/statistics/diff.rb
+++ b/lib/sequencer/unit/import/ldap/user/statistics/diff.rb
@@ -1,4 +1,4 @@
-require 'sequencer/unit/import/common/model/statistics/mixin/instance_action_diff'
+require 'sequencer/unit/import/common/model/statistics/mixin/action_diff'
 
 class Sequencer
   class Unit
@@ -7,7 +7,7 @@ class Sequencer
         module User
           module Statistics
             class Diff < Sequencer::Unit::Base
-              include ::Sequencer::Unit::Import::Common::Model::Statistics::Mixin::InstanceActionDiff
+              include ::Sequencer::Unit::Import::Common::Model::Statistics::Mixin::ActionDiff
 
               uses :instance, :associations, :signup_role_ids