diff --git a/app/services/sufia/actor_factory.rb b/app/services/sufia/actor_factory.rb
index 09fb7d25a3..4cb8911039 100644
--- a/app/services/sufia/actor_factory.rb
+++ b/app/services/sufia/actor_factory.rb
@@ -8,8 +8,7 @@ def self.stack_actors(curation_concern)
        CurationConcerns::Actors::AttachFilesActor,
        CurationConcerns::Actors::ApplyOrderActor,
        CurationConcerns::Actors::InterpretVisibilityActor,
-       model_actor(curation_concern),
-       CurationConcerns::Actors::AssignIdentifierActor]
+       model_actor(curation_concern)]
     end
   end
 end
diff --git a/spec/services/sufia/actor_factory_spec.rb b/spec/services/sufia/actor_factory_spec.rb
index c9b3b4e035..5e8737e534 100644
--- a/spec/services/sufia/actor_factory_spec.rb
+++ b/spec/services/sufia/actor_factory_spec.rb
@@ -11,8 +11,7 @@
                             CurationConcerns::Actors::AttachFilesActor,
                             CurationConcerns::Actors::ApplyOrderActor,
                             CurationConcerns::Actors::InterpretVisibilityActor,
-                            CurationConcerns::Actors::GenericWorkActor,
-                            CurationConcerns::Actors::AssignIdentifierActor] }
+                            CurationConcerns::Actors::GenericWorkActor] }
   end
 
   describe '.build' do
@@ -25,8 +24,7 @@
         CurationConcerns::Actors::AttachFilesActor,
         CurationConcerns::Actors::ApplyOrderActor,
         CurationConcerns::Actors::InterpretVisibilityActor,
-        CurationConcerns::Actors::GenericWorkActor,
-        CurationConcerns::Actors::AssignIdentifierActor
+        CurationConcerns::Actors::GenericWorkActor
       ]
       expect(subject.first_actor_class).to eq Sufia::CreateWithRemoteFilesActor
     end
diff --git a/sufia.gemspec b/sufia.gemspec
index cf7dfb69cf..a83c916c1e 100644
--- a/sufia.gemspec
+++ b/sufia.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.version       = Sufia::VERSION
   spec.license       = 'Apache2'
 
-  spec.add_dependency 'curation_concerns', '>= 1.0.0.beta3', '< 2'
+  spec.add_dependency 'curation_concerns', '>= 1.0.0.beta5', '< 2'
   spec.add_dependency 'hydra-batch-edit', '~> 2.0'
   spec.add_dependency 'browse-everything', '~> 0.10'
   spec.add_dependency 'blacklight-gallery', '~> 0.1'