diff --git a/app/models/post.rb b/app/models/post.rb
index 77c82499972..4acccaaace0 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -9,11 +9,6 @@ require 'digest/sha1'
 class Post < ActiveRecord::Base
   include RateLimiter::OnCreateRecord
 
-  module HiddenReason
-    FLAG_THRESHOLD_REACHED = 1
-    FLAG_THRESHOLD_REACHED_AGAIN = 2
-  end
-
   versioned if: :raw_changed?
 
   rate_limit
@@ -51,6 +46,10 @@ class Post < ActiveRecord::Base
   scope :by_newest, order('created_at desc, id desc')
   scope :with_user, includes(:user)
 
+  def self.hidden_reasons
+    @hidden_reasons ||= Enum.new(:flag_threshold_reached, :flag_threshold_reached_again)
+  end
+
   def raw_quality
     sentinel = TextSentinel.new(raw, min_entropy: SiteSetting.body_min_entropy)
     if sentinel.valid?
diff --git a/app/models/post_action.rb b/app/models/post_action.rb
index 1eb0e10d4a4..dd51a390b6b 100644
--- a/app/models/post_action.rb
+++ b/app/models/post_action.rb
@@ -160,7 +160,7 @@ class PostAction < ActiveRecord::Base
       old_flags, new_flags = flag_counts['old_flags'].to_i, flag_counts['new_flags'].to_i
 
       if new_flags >= SiteSetting.flags_required_to_hide_post
-        reason = old_flags > 0 ? Post::HiddenReason::FLAG_THRESHOLD_REACHED_AGAIN : Post::HiddenReason::FLAG_THRESHOLD_REACHED
+        reason = old_flags > 0 ? Post.hidden_reasons[:flag_threshold_reached_again] : Post.hidden_reasons[:flag_threshold_reached]
         Post.update_all(["hidden = true, hidden_reason_id = COALESCE(hidden_reason_id, ?)", reason], id: post_id)
         Topic.update_all({ visible: false },
                          ["id = :topic_id AND NOT EXISTS(SELECT 1 FROM POSTS WHERE topic_id = :topic_id AND NOT hidden)", topic_id: post.topic_id])
diff --git a/lib/post_revisor.rb b/lib/post_revisor.rb
index 74522e1a1b3..8ff983dc87b 100644
--- a/lib/post_revisor.rb
+++ b/lib/post_revisor.rb
@@ -69,7 +69,7 @@ class PostRevisor
     @post.updated_by = @user
     @post.last_editor_id = @user.id
 
-    if @post.hidden && @post.hidden_reason_id == Post::HiddenReason::FLAG_THRESHOLD_REACHED
+    if @post.hidden && @post.hidden_reason_id == Post.hidden_reasons[:flag_threshold_reached]
       @post.hidden = false
       @post.hidden_reason_id = nil
       @post.topic.update_attributes(visible: true)
diff --git a/spec/models/post_action_spec.rb b/spec/models/post_action_spec.rb
index 62feb32c1be..3ac3e78b06c 100644
--- a/spec/models/post_action_spec.rb
+++ b/spec/models/post_action_spec.rb
@@ -149,7 +149,7 @@ describe PostAction do
       post.reload
 
       post.hidden.should.should be_true
-      post.hidden_reason_id.should == Post::HiddenReason::FLAG_THRESHOLD_REACHED
+      post.hidden_reason_id.should == Post.hidden_reasons[:flag_threshold_reached]
       post.topic.visible.should be_false
 
       post.revise(post.user, post.raw + " ha I edited it ")
@@ -165,14 +165,14 @@ describe PostAction do
       post.reload
 
       post.hidden.should be_true
-      post.hidden_reason_id.should == Post::HiddenReason::FLAG_THRESHOLD_REACHED_AGAIN
+      post.hidden_reason_id.should == Post.hidden_reasons[:flag_threshold_reached_again]
 
       post.revise(post.user, post.raw + " ha I edited it again ")
 
       post.reload
 
       post.hidden.should be_true
-      post.hidden_reason_id.should == Post::HiddenReason::FLAG_THRESHOLD_REACHED_AGAIN
+      post.hidden_reason_id.should == Post.hidden_reasons[:flag_threshold_reached_again]
     end
   end