.freeze by integers makes no sense

app/models/dmsf_file.rb

@@ -45,8 +45,8 @@ class DmsfFile < ActiveRecord::Base
     :class_name => 'DmsfLink', :foreign_key => 'target_id', :dependent => :destroy
   has_many :dmsf_public_urls, :dependent => :destroy
 
-  STATUS_DELETED = 1.freeze
-  STATUS_ACTIVE = 0.freeze
+  STATUS_DELETED = 1
+  STATUS_ACTIVE = 0
 
   scope :visible, -> { where(:deleted => STATUS_ACTIVE) }
   scope :deleted, -> { where(:deleted => STATUS_DELETED) }

app/models/dmsf_file_revision_access.rb

@@ -28,8 +28,8 @@ class DmsfFileRevisionAccess < ActiveRecord::Base
 
   validates :dmsf_file_revision, :presence => true
 
-  DownloadAction = 0.freeze
-  EmailAction = 1.freeze
+  DownloadAction = 0
+  EmailAction = 1
 
   acts_as_event :title => Proc.new {|ra| "#{l(:label_dmsf_downloaded)}: #{ra.dmsf_file.dmsf_path_str}"},
     :url => Proc.new {|ra| {:controller => 'dmsf_files', :action => 'show', :id => ra.dmsf_file}},

app/models/dmsf_folder.rb

@@ -44,8 +44,8 @@ class DmsfFolder < ActiveRecord::Base
   has_many :dmsf_folder_permissions, :dependent => :destroy
 
   INVALID_CHARACTERS = '\[\]\/\\\?":<>#%\*'.freeze
-  STATUS_DELETED = 1.freeze
-  STATUS_ACTIVE = 0.freeze
+  STATUS_DELETED = 1
+  STATUS_ACTIVE = 0
   AVAILABLE_COLUMNS = %w(id title extension size modified version workflow author).freeze
   DEFAULT_COLUMNS = %w(title size modified version workflow author).freeze
 

app/models/dmsf_link.rb

@@ -47,8 +47,8 @@ class DmsfLink < ActiveRecord::Base
     end
   end
 
-  STATUS_DELETED = 1.freeze
-  STATUS_ACTIVE = 0.freeze
+  STATUS_DELETED = 1
+  STATUS_ACTIVE = 0
 
   scope :visible, -> { where(:deleted => STATUS_ACTIVE) }
   scope :deleted, -> { where(:deleted => STATUS_DELETED) }

app/models/dmsf_workflow.rb

@@ -57,14 +57,14 @@ class DmsfWorkflow < ActiveRecord::Base
     end
   end
 
-  STATE_ASSIGNED = 3.freeze
-  STATE_WAITING_FOR_APPROVAL = 1.freeze
-  STATE_APPROVED = 2.freeze
-  STATE_REJECTED = 4.freeze
-  STATE_OBSOLETE = 5.freeze
+  STATE_ASSIGNED = 3
+  STATE_WAITING_FOR_APPROVAL = 1
+  STATE_APPROVED = 2
+  STATE_REJECTED = 4
+  STATE_OBSOLETE = 5
 
-  STATUS_LOCKED = 0.freeze
-  STATUS_ACTIVE = 1.freeze
+  STATUS_LOCKED = 0
+  STATUS_ACTIVE = 1
 
   def participiants
     users = Array.new

app/models/dmsf_workflow_step.rb

@@ -31,8 +31,8 @@ class DmsfWorkflowStep < ActiveRecord::Base
   validates_uniqueness_of :user_id, :scope => [:dmsf_workflow_id, :step]
   validates_length_of :name, :maximum => 30
 
-  OPERATOR_OR  = 0.freeze
-  OPERATOR_AND = 1.freeze
+  OPERATOR_OR  = 0
+  OPERATOR_AND = 1
 
   def soperator
     DmsfWorkflowStep.soperator(self.operator)

app/models/dmsf_workflow_step_action.rb

@@ -30,11 +30,11 @@ class DmsfWorkflowStepAction < ActiveRecord::Base
   validates_uniqueness_of :dmsf_workflow_step_assignment_id, :scope => [:action],
                           :unless => lambda {self.action == DmsfWorkflowStepAction::ACTION_DELEGATE}
 
-  ACTION_APPROVE = 1.freeze
-  ACTION_REJECT = 2.freeze
-  ACTION_DELEGATE = 3.freeze
-  ACTION_ASSIGN = 4.freeze
-  ACTION_START = 5.freeze
+  ACTION_APPROVE = 1
+  ACTION_REJECT = 2
+  ACTION_DELEGATE = 3
+  ACTION_ASSIGN = 4
+  ACTION_START = 5
 
   def initialize(*args)
     super