diff --git a/.rubocop.yml b/.rubocop.yml
index b7c4b92e..7da4d8d5 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -96,8 +96,6 @@ Metrics/BlockNesting:
 
 Metrics/ClassLength:
   Max: 575
-  Exclude:
-  - 'app/models/conference.rb'
 
 # avoid redundunt curly braces when it is obvious that hash is used
 Style/BracesAroundHashParameters:
diff --git a/app/models/conference.rb b/app/models/conference.rb
index 801ea040..31c61d73 100644
--- a/app/models/conference.rb
+++ b/app/models/conference.rb
@@ -1,3 +1,4 @@
+# rubocop:disable Metrics/ClassLength
 ##
 # This class represents a conference
 class Conference < ActiveRecord::Base
@@ -1063,3 +1064,4 @@ class Conference < ActiveRecord::Base
     result
   end
 end
+# rubocop:enable Metrics/ClassLength