diff --git a/app/helpers/journals_helper.rb b/app/helpers/journals_helper.rb
deleted file mode 100644
index cf87724307..0000000000
--- a/app/helpers/journals_helper.rb
+++ /dev/null
@@ -1,42 +0,0 @@
-# redMine - project management software
-# Copyright (C) 2006-2008  Jean-Philippe Lang
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-# 
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-# 
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-module JournalsHelper
-  def render_notes(issue, journal, options={})
-    content = ''
-    editable = User.current.logged? && (User.current.allowed_to?(:edit_issue_notes, issue.project) || (journal.user == User.current && User.current.allowed_to?(:edit_own_issue_notes, issue.project)))
-    links = []
-    if !journal.notes.blank?
-      links << link_to_remote(image_tag('comment.png'),
-                              { :url => {:controller => 'issues', :action => 'reply', :id => issue, :journal_id => journal} },
-                              :title => l(:button_quote)) if options[:reply_links]
-      links << link_to_in_place_notes_editor(image_tag('edit.png'), "journal-#{journal.id}-notes", 
-                                             { :controller => 'journals', :action => 'edit', :id => journal },
-                                                :title => l(:button_edit)) if editable
-    end
-    content << content_tag('div', links.join(' '), :class => 'contextual') unless links.empty?
-    content << textilizable(journal, :notes)
-    css_classes = "wiki"
-    css_classes << " editable" if editable
-    content_tag('div', content, :id => "journal-#{journal.id}-notes", :class => css_classes)
-  end
-  
-  def link_to_in_place_notes_editor(text, field_id, url, options={})
-    onclick = "new Ajax.Request('#{url_for(url)}', {asynchronous:true, evalScripts:true, method:'get'}); return false;"
-    link_to text, '#', options.merge(:onclick => onclick)
-  end
-end
diff --git a/app/models/journal_detail.rb b/app/models/journal_detail.rb
deleted file mode 100644
index 58239006bf..0000000000
--- a/app/models/journal_detail.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-# redMine - project management software
-# Copyright (C) 2006  Jean-Philippe Lang
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-# 
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-# 
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-class JournalDetail < ActiveRecord::Base
-  belongs_to :journal
-  
-  def before_save
-    self.value = value[0..254] if value && value.is_a?(String)
-    self.old_value = old_value[0..254] if old_value && old_value.is_a?(String)
-  end
-end
diff --git a/app/models/journal_observer.rb b/app/models/journal_observer.rb
deleted file mode 100644
index 5604e064e8..0000000000
--- a/app/models/journal_observer.rb
+++ /dev/null
@@ -1,22 +0,0 @@
-# redMine - project management software
-# Copyright (C) 2006-2007  Jean-Philippe Lang
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-# 
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-# 
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-class JournalObserver < ActiveRecord::Observer
-  def after_create(journal)
-    Mailer.deliver_issue_edit(journal) if Setting.notified_events.include?('issue_updated')
-  end
-end