diff --git a/app/models/concerns/archivable_model.rb b/app/models/concerns/archivable_model.rb
index d0ecef2df..fdde1757c 100644
--- a/app/models/concerns/archivable_model.rb
+++ b/app/models/concerns/archivable_model.rb
@@ -15,7 +15,7 @@ module ArchivableModel
   # Helper for archiving project. Timestamp of archiving is handler by
   # before_save callback.
   # Sets the archived_by value to the current user.
-  def archive (current_user)
+  def archive(current_user)
     self.archived = true
     self.archived_by = current_user
     save
@@ -29,7 +29,7 @@ module ArchivableModel
 
   # Helper for restoring project from archive.
   # Sets the restored_by value to the current user.
-  def restore (current_user)
+  def restore(current_user)
     self.archived = false
     self.restored_by = current_user
     save
diff --git a/app/models/experiment.rb b/app/models/experiment.rb
index 4b8a3e13b..a2827dc39 100644
--- a/app/models/experiment.rb
+++ b/app/models/experiment.rb
@@ -256,12 +256,6 @@ class Experiment < ApplicationRecord
 
   private
 
-  # Archive all modules. Receives an array of module integer IDs.
-  def archive_modules(module_ids)
-    my_modules.where(id: module_ids).each(&:archive!)
-    my_modules.reload
-  end
-
   # Archive all modules. Receives an array of module integer IDs
   # and current user.
   def archive_modules(module_ids, current_user)
diff --git a/app/models/my_module.rb b/app/models/my_module.rb
index 30fb3b7ec..1486addb4 100644
--- a/app/models/my_module.rb
+++ b/app/models/my_module.rb
@@ -26,9 +26,7 @@ class MyModule < ApplicationRecord
 
   validate :check_status, if: :my_module_status_id_changed?
   validate :check_status_conditions, if: :my_module_status_id_changed?
-  validate :check_status_implications, unless: proc { |mm|
-    (mm.changed_attributes.keys - %w(my_module_status_id x y my_module_group_id workflow_order status_changing)).blank?
-  }
+  validate :check_status_implications
 
   belongs_to :created_by,
              foreign_key: 'created_by_id',
@@ -164,18 +162,19 @@ class MyModule < ApplicationRecord
     # Remove association with module group.
     self.my_module_group = nil
 
+    was_archived = false
+
     MyModule.transaction do
-      archived = super
+      was_archived = super
       # Unassociate all samples from module.
-      archived = SampleMyModule.where(my_module: self).destroy_all if archived
+      was_archived = SampleMyModule.where(my_module: self).destroy_all if was_archived
       # Remove all connection between modules.
-      archived = Connection.where(input_id: id).delete_all if archived
-      archived = Connection.where(output_id: id).delete_all if archived
-      unless archived
-        raise ActiveRecord::Rollback
-      end
+      was_archived = Connection.where(input_id: id).destroy_all if was_archived
+      was_archived = Connection.where(output_id: id).destroy_all if was_archived
+
+      raise ActiveRecord::Rollback unless was_archived
     end
-    archived
+    was_archived
   end
 
   # Similar as super restore, but also calculate new module position