diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 46fc37d7a..c25f0ffce 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1144,7 +1144,6 @@ Style/ParallelAssignment:
 Style/ParenthesesAroundCondition:
   Exclude:
     - 'app/models/repository/subversion.rb'
-    - 'app/models/wiki_page.rb'
     - 'lib/diff.rb'
     - 'lib/redmine/helpers/gantt.rb'
     - 'lib/redmine/scm/adapters/cvs_adapter.rb'
diff --git a/app/models/wiki_page.rb b/app/models/wiki_page.rb
index ede750e80..422034243 100644
--- a/app/models/wiki_page.rb
+++ b/app/models/wiki_page.rb
@@ -304,7 +304,7 @@ class WikiAnnotate
     @lines = current_lines.collect {|t| [nil, nil, t]}
     positions = []
     current_lines.size.times {|i| positions << i}
-    while (current.previous)
+    while current.previous
       d = current.previous.text.split(/\r?\n/).diff(current.text.split(/\r?\n/)).diffs.flatten
       d.each_slice(3) do |s|
         sign, line = s[0], s[1]