diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 9394ab770..d5b58b060 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1424,7 +1424,6 @@ Style/ParenthesesAroundCondition:
   Exclude:
     - 'app/controllers/context_menus_controller.rb'
     - 'app/helpers/application_helper.rb'
-    - 'app/helpers/issues_helper.rb'
     - 'app/models/project.rb'
     - 'app/models/query.rb'
     - 'app/models/repository/subversion.rb'
diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index 10c179550..0cc779bac 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -24,7 +24,7 @@ module IssuesHelper
   def issue_list(issues, &block)
     ancestors = []
     issues.each do |issue|
-      while (ancestors.any? && !issue.is_descendant_of?(ancestors.last))
+      while ancestors.any? && !issue.is_descendant_of?(ancestors.last)
         ancestors.pop
       end
       yield issue, ancestors.size
@@ -35,7 +35,7 @@ module IssuesHelper
   def grouped_issue_list(issues, query, &block)
     ancestors = []
     grouped_query_results(issues, query) do |issue, group_name, group_count, group_totals|
-      while (ancestors.any? && !issue.is_descendant_of?(ancestors.last))
+      while ancestors.any? && !issue.is_descendant_of?(ancestors.last)
         ancestors.pop
       end
       yield issue, ancestors.size, group_name, group_count, group_totals