diff --git a/inc/lang/ar/lang.php b/inc/lang/ar/lang.php
index 2d21fc8f0861abf4396bdd73271a4218732bdecc..a3c56c9690321c3b1152a7344412410eef1e7ba4 100644
--- a/inc/lang/ar/lang.php
+++ b/inc/lang/ar/lang.php
@@ -2,7 +2,7 @@
 
 /**
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * 
+ *
  * @author Mostafa Hussein <mostafa@gmail.com>
  * @author Yaman Hokan <always.smile.yh@hotmail.com>
  * @author Usama Akkad <uahello@gmail.com>
@@ -87,7 +87,7 @@ $lang['profchanged']           = 'حُدث الملف الشخصي للمستخ
 $lang['profnodelete']          = 'هذه الموسوعه لا ندعم حذف الأشخاص';
 $lang['profdeleteuser']        = 'احذف حساب';
 $lang['profdeleted']           = 'حسابك الخاص تم حذفه من هذه الموسوعة';
-$lang['profconfdelete']        = 'أنا أرغب في حذف حسابي من هذه الموسوعة.<br/> 
+$lang['profconfdelete']        = 'أنا أرغب في حذف حسابي من هذه الموسوعة.<br/>
 هذا الحدث غير ممكن.';
 $lang['profconfdeletemissing'] = 'لم تقم بوضع علامة في مربع التأكيد';
 $lang['pwdforget']             = 'أنسيت كلمة السر؟ احصل على واحدة جديدة';
@@ -142,8 +142,6 @@ $lang['js']['del_confirm']     = 'هل حقاً تريد حذف البنود ا
 $lang['js']['restore_confirm'] = 'أمتأكد من استرجاع هذه النسخة؟';
 $lang['js']['media_diff']      = 'عرض الفروق:';
 $lang['js']['media_diff_both'] = 'جنبا إلى جنب';
-$lang['js']['media_diff_opacity'] = 'Shine-through';
-$lang['js']['media_diff_portions'] = 'Swipe';
 $lang['js']['media_select']    = 'اختر ملفا...';
 $lang['js']['media_upload_btn'] = 'ارفع';
 $lang['js']['media_done_btn']  = 'تم';
diff --git a/inc/lang/bn/lang.php b/inc/lang/bn/lang.php
index 8443228e37bdb0d6c69f618c9a5df5f52c17aa1c..db7baa0f2ec52a62badcd475b36de4d6e5e42054 100644
--- a/inc/lang/bn/lang.php
+++ b/inc/lang/bn/lang.php
@@ -2,7 +2,7 @@
 
 /**
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * 
+ *
  * @author Foysol <ragebot1125@gmail.com>
  * @author ninetailz <ninetailz1125@gmail.com>
  * @author Khan M. B. Asad <muhammad2017@gmail.com>
@@ -20,7 +20,6 @@ $lang['btn_source']            = 'দেখান পাতা উৎস';
 $lang['btn_show']              = 'দেখান পৃষ্ঠা';
 $lang['btn_create']            = 'এই পৃষ্ঠা তৈরি করুন';
 $lang['btn_search']            = 'অনুসন্ধান';
-$lang['btn_save']              = 'Save';
 $lang['btn_preview']           = 'পূর্বরূপ';
 $lang['btn_top']               = 'উপরে ফিরে যান ';
 $lang['btn_newer']             = '<< আরো সাম্প্রতিক';
diff --git a/inc/lang/id/lang.php b/inc/lang/id/lang.php
index aecab741a11b9a755db3d3a8697e98afdeed796e..3fc1506e4d6ebc0a644b32554d0efc0fba883a35 100644
--- a/inc/lang/id/lang.php
+++ b/inc/lang/id/lang.php
@@ -23,7 +23,6 @@ $lang['btn_show']              = 'Tampilkan halaman';
 $lang['btn_create']            = 'Buat halaman baru';
 $lang['btn_search']            = 'Cari';
 $lang['btn_save']              = 'Simpan';
-$lang['btn_preview']           = 'Preview';
 $lang['btn_top']               = 'kembali ke atas';
 $lang['btn_newer']             = '<< lebih lanjut';
 $lang['btn_older']             = 'sebelumnya >>';
@@ -32,7 +31,6 @@ $lang['btn_recent']            = 'Perubahan terbaru';
 $lang['btn_upload']            = 'Upload';
 $lang['btn_cancel']            = 'Batal';
 $lang['btn_index']             = 'Indeks';
-$lang['btn_secedit']           = 'Edit';
 $lang['btn_login']             = 'Login';
 $lang['btn_logout']            = 'Keluar';
 $lang['btn_admin']             = 'Admin';
@@ -42,9 +40,7 @@ $lang['btn_back']              = 'Kembali';
 $lang['btn_backlink']          = 'Backlinks';
 $lang['btn_subscribe']         = 'Ikuti Perubahan';
 $lang['btn_profile']           = 'Ubah Profil';
-$lang['btn_reset']             = 'Reset';
 $lang['btn_resendpwd']         = 'Atur password baru';
-$lang['btn_draft']             = 'Edit draft';
 $lang['btn_recover']           = 'Cadangkan draf';
 $lang['btn_draftdel']          = 'Hapus draft';
 $lang['btn_revert']            = 'Kembalikan';
@@ -172,7 +168,6 @@ $lang['mediaextchange']        = 'Ektensi file berubah dari .%s ke .%s';
 $lang['reference']             = 'Referensi untuk';
 $lang['ref_inuse']             = 'File tidak dapat dihapus karena sedang digunakan oleh halaman:';
 $lang['ref_hidden']            = 'Beberapa referensi ada didalam halaman yang tidak diijinkan untuk Anda baca.';
-$lang['hits']                  = 'Hits';
 $lang['quickhits']             = 'Matching pagenames';
 $lang['toc']                   = 'Daftar isi';
 $lang['current']               = 'sekarang';
@@ -195,7 +190,6 @@ $lang['deleted']               = 'terhapus';
 $lang['created']               = 'dibuat';
 $lang['restored']              = 'revisi lama ditampilkan kembali (%s)';
 $lang['external_edit']         = 'Perubahan eksternal';
-$lang['summary']               = 'Edit summary';
 $lang['noflash']               = '<a href="http://www.adobe.com/products/flashplayer/">Adobe Flash Plugin</a> diperlukan untuk menampilkan konten ini.';
 $lang['download']              = 'Unduh Cuplikan';
 $lang['tools']                 = 'Alat';
@@ -218,26 +212,17 @@ $lang['qb_italic']             = 'Miring';
 $lang['qb_underl']             = 'Garis Bawah';
 $lang['qb_code']               = 'Kode';
 $lang['qb_strike']             = 'Text Tercoret';
-$lang['qb_h1']                 = 'Level 1 Headline';
-$lang['qb_h2']                 = 'Level 2 Headline';
-$lang['qb_h3']                 = 'Level 3 Headline';
-$lang['qb_h4']                 = 'Level 4 Headline';
-$lang['qb_h5']                 = 'Level 5 Headline';
 $lang['qb_hs']                 = 'Pilih Judul';
 $lang['qb_hplus']              = 'Judul Lebih Atas';
 $lang['qb_hminus']             = 'Judul Lebih Bawah';
 $lang['qb_hequal']             = 'Tingkat Judul yang Sama';
-$lang['qb_link']               = 'Link Internal';
-$lang['qb_extlink']            = 'Link External';
 $lang['qb_hr']                 = 'Garis Horisontal';
 $lang['qb_ol']                 = 'Item Berurutan';
 $lang['qb_ul']                 = 'Item Tidak Berurutan';
 $lang['qb_media']              = 'Tambahkan gambar atau file lain';
 $lang['qb_sig']                = 'Sisipkan tanda tangan';
-$lang['qb_smileys']            = 'Smileys';
 $lang['qb_chars']              = 'Karakter Khusus';
 $lang['upperns']               = 'lompat ke namespace induk';
-$lang['metaedit']              = 'Edit Metadata';
 $lang['metasaveerr']           = 'Gagal menulis metadata';
 $lang['metasaveok']            = 'Metadata tersimpan';
 $lang['img_title']             = 'Judul:';
diff --git a/inc/lang/ka/lang.php b/inc/lang/ka/lang.php
index 047509c4e498dfab3192b007f59d04b271146b79..72594efe3a8f10cd1a3a04d85ed986937f8a5c87 100644
--- a/inc/lang/ka/lang.php
+++ b/inc/lang/ka/lang.php
@@ -35,7 +35,6 @@ $lang['btn_update']            = 'განახლება';
 $lang['btn_delete']            = 'წაშლა';
 $lang['btn_back']              = 'უკან';
 $lang['btn_backlink']          = 'გადმომისამართებული ბმულები';
-$lang['btn_subscribe']         = 'Manage Subscriptions';
 $lang['btn_profile']           = 'პროფილის განახლება';
 $lang['btn_reset']             = 'წაშლა';
 $lang['btn_resendpwd']         = 'ახალი პაროლის დაყენება';
@@ -107,7 +106,6 @@ $lang['js']['keepopen']        = 'დატოვეთ ღია';
 $lang['js']['hidedetails']     = 'დეტალების დამალვა';
 $lang['js']['mediatitle']      = 'ინსტრუმენტები';
 $lang['js']['mediadisplay']    = 'ბმულის ტიპი';
-$lang['js']['mediaalign']      = 'Alignment';
 $lang['js']['mediasize']       = 'სურათის ზომა';
 $lang['js']['mediatarget']     = 'მიზნის ბმული';
 $lang['js']['mediaclose']      = 'დახურვა';
@@ -125,7 +123,6 @@ $lang['js']['medianolink']     = 'არ დალინკოთ სურა
 $lang['js']['medialeft']       = 'მარცხვნივ განათავსეთ სურათი';
 $lang['js']['mediaright']      = 'მარჯვნივ განათავსეთ სურათი';
 $lang['js']['mediacenter']     = 'შუაში განათავსეთ სურათი';
-$lang['js']['medianoalign']    = 'Use no align.';
 $lang['js']['nosmblinks']      = 'ეს ფუქნცია მუშაობს მხოლოდ  Internet Explorer-ზე';
 $lang['js']['linkwiz']         = 'ბმული';
 $lang['js']['linkto']          = 'ბმული';
@@ -133,9 +130,6 @@ $lang['js']['del_confirm']     = 'დარწმუნებული ხარ
 $lang['js']['restore_confirm'] = 'დარწმუნებული ხართ რომ აღდგენა გინდათ?';
 $lang['js']['media_diff']      = 'განსხვავებების ჩვენება';
 $lang['js']['media_diff_both'] = 'გვერდიგვერდ';
-$lang['js']['media_diff_opacity'] = 'Shine-through';
-$lang['js']['media_diff_portions'] = 'Swipe
-';
 $lang['js']['media_select']    = 'არჩეული ფაილები';
 $lang['js']['media_upload_btn'] = 'ატვირთვა';
 $lang['js']['media_done_btn']  = 'მზადაა';
@@ -156,42 +150,29 @@ $lang['uploadsize']            = 'ასატვირთი ფაილი 
 $lang['deletesucc']            = '%s ფაილები წაიშალა';
 $lang['deletefail']            = '%s ვერ მოიძებნა';
 $lang['mediainuse']            = 'ფაილის %s ვერ წაიშალა, რადგან გამოყენებაშია';
-$lang['namespaces']            = 'Namespaces';
 $lang['mediafiles']            = 'არსებული ფაილები';
 $lang['accessdenied']          = 'თქვენ არ შეგიძლიათ გვერდის ნახვა';
-$lang['mediausage']            = 'Use the following syntax to reference this file:';
 $lang['mediaview']             = 'ორიგინალი ფაილის ჩვენება';
 $lang['mediaroot']             = 'root';
-$lang['mediaupload']           = 'Upload a file to the current namespace here. To create subnamespaces, prepend them to your filename separated by colons after you selected the files. Files can also be selected by drag and drop.';
-$lang['mediaextchange']        = 'Filextension changed from .%s to .%s!';
-$lang['reference']             = 'References for';
 $lang['ref_inuse']             = 'ფაილი წაშლა შეუძლებელია, გამოიყენება აქ:';
 $lang['ref_hidden']            = 'ზოგიერთი ბლოკის წაკითხვის უფლება არ გაქვთ';
-$lang['hits']                  = 'Hits';
 $lang['quickhits']             = 'მსგავსი სახელები';
-$lang['toc']                   = 'Table of Contents';
 $lang['current']               = 'ახლანდელი';
 $lang['yours']                 = 'თვენი ვერსია';
 $lang['diff']                  = 'ვერსიების განსხვავება';
 $lang['diff2']                 = 'განსხვავებები';
-$lang['difflink']              = 'Link to this comparison view';
 $lang['diff_type']             = 'განსხვავებების ჩვენება';
-$lang['diff_inline']           = 'Inline';
 $lang['diff_side']             = 'გვერდიგვერდ';
 $lang['diffprevrev']           = 'წინა ვერსია';
 $lang['diffnextrev']           = 'შემდეგი ვერსია';
 $lang['difflastrev']           = 'ბოლო ვერსია';
-$lang['diffbothprevrev']       = 'Both sides previous revision';
-$lang['diffbothnextrev']       = 'Both sides next revision';
 $lang['line']                  = 'ზოლი';
-$lang['breadcrumb']            = 'Trace:';
 $lang['youarehere']            = 'თვენ ხართ აქ:';
 $lang['lastmod']               = 'ბოლოს მოდიფიცირებული:';
 $lang['deleted']               = 'წაშლილია';
 $lang['created']               = 'შექმნილია';
 $lang['restored']              = 'ძველი ვერსია აღდგენილია (%s)';
 $lang['external_edit']         = 'რედაქტირება';
-$lang['summary']               = 'Edit summary';
 $lang['noflash']               = '<a href="http://www.adobe.com/products/flashplayer/">საჭიროა Adobe Flash Plugin</a>';
 $lang['download']              = 'Snippet-ის გადმოწერა';
 $lang['tools']                 = 'ინსტრუმენტები';
@@ -209,11 +190,6 @@ $lang['changes_type']          = 'ცვლილებები';
 $lang['pages_changes']         = 'გვერდები';
 $lang['media_changes']         = 'მედია ფაილები';
 $lang['both_changes']          = 'გვერდები და მედია ფაილები';
-$lang['qb_bold']               = 'Bold Text';
-$lang['qb_italic']             = 'Italic Text';
-$lang['qb_underl']             = 'Underlined Text';
-$lang['qb_code']               = 'Monospaced Text';
-$lang['qb_strike']             = 'Strike-through Text';
 $lang['qb_h1']                 = 'Level 1 სათაური';
 $lang['qb_h2']                 = 'Level 2 სათაური';
 $lang['qb_h3']                 = 'Level 3 სათაური';
@@ -224,64 +200,28 @@ $lang['qb_hs']                 = 'სათაურის არჩევა';
 $lang['qb_hplus']              = 'Higher სათაური';
 $lang['qb_hminus']             = 'Lower სათაური';
 $lang['qb_hequal']             = 'Same Level სათაური';
-$lang['qb_link']               = 'Internal Link';
-$lang['qb_extlink']            = 'External Link';
-$lang['qb_hr']                 = 'Horizontal Rule';
 $lang['qb_ol']                 = 'შეკვეთილი ბოლო მასალა';
-$lang['qb_ul']                 = 'Unordered List Item';
 $lang['qb_media']              = 'ნახატების და სხვა ფაიელბის დამატება';
 $lang['qb_sig']                = 'ხელმოწერა';
 $lang['qb_smileys']            = 'სმაილები';
-$lang['qb_chars']              = 'Special Chars';
-$lang['upperns']               = 'jump to parent namespace';
-$lang['metaedit']              = 'Edit Metadata';
-$lang['metasaveerr']           = 'Writing metadata failed';
-$lang['metasaveok']            = 'Metadata saved';
 $lang['img_title']             = 'სათაური:';
-$lang['img_caption']           = 'Caption:';
 $lang['img_date']              = 'თარიღი:';
 $lang['img_fname']             = 'ფაილის სახელი:';
 $lang['img_fsize']             = 'ზომა:';
 $lang['img_artist']            = 'ფოტოგრაფი:';
-$lang['img_copyr']             = 'Copyright:';
 $lang['img_format']            = 'ფორმატი:';
 $lang['img_camera']            = 'კამერა:';
-$lang['img_keywords']          = 'Keywords:';
 $lang['img_width']             = 'სიგანე:';
 $lang['img_height']            = 'სიმაღლე:';
-$lang['subscr_subscribe_success'] = 'Added %s to subscription list for %s';
-$lang['subscr_subscribe_error'] = 'Error adding %s to subscription list for %s';
-$lang['subscr_subscribe_noaddress'] = 'There is no address associated with your login, you cannot be added to the subscription list';
-$lang['subscr_unsubscribe_success'] = 'Removed %s from subscription list for %s';
-$lang['subscr_unsubscribe_error'] = 'Error removing %s from subscription list for %s';
-$lang['subscr_already_subscribed'] = '%s is already subscribed to %s';
-$lang['subscr_not_subscribed'] = '%s is not subscribed to %s';
-$lang['subscr_m_not_subscribed'] = 'You are currently not subscribed to the current page or namespace.';
-$lang['subscr_m_new_header']   = 'Add subscription';
-$lang['subscr_m_current_header'] = 'Current subscriptions';
-$lang['subscr_m_unsubscribe']  = 'Unsubscribe';
-$lang['subscr_m_subscribe']    = 'Subscribe';
 $lang['subscr_m_receive']      = 'მიღება';
 $lang['subscr_style_every']    = 'ფოსტა ყოველ ცვლილებაზე';
 $lang['subscr_style_digest']   = 'ფოსტა ყოველი გვერდის შეცვლაზე ';
 $lang['subscr_style_list']     = 'ფოსტა ყოველი გვერდის შეცვლაზე ';
-$lang['authtempfail']          = 'User authentication is temporarily unavailable. If this situation persists, please inform your Wiki Admin.';
 $lang['i_chooselang']          = 'ენსი არჩევა';
 $lang['i_installer']           = 'DokuWiki დამყენებელი';
 $lang['i_wikiname']            = 'Wiki სახელი';
-$lang['i_enableacl']           = 'Enable ACL (recommended)';
 $lang['i_superuser']           = 'ადმინი';
 $lang['i_problems']            = 'შეასწორეთ შეცდომები';
-$lang['i_modified']            = 'For security reasons this script will only work with a new and unmodified Dokuwiki installation. You should either re-extract the files from the downloaded package or consult the complete <a href="http://dokuwiki.org/install">Dokuwiki installation instructions</a>';
-$lang['i_funcna']              = 'PHP function <code>%s</code> is not available. Maybe your hosting provider disabled it for some reason?';
-$lang['i_phpver']              = 'Your PHP version <code>%s</code> is lower than the needed <code>%s</code>. You need to upgrade your PHP install.';
-$lang['i_permfail']            = '<code>%s</code> is not writable by DokuWiki. You need to fix the permission settings of this directory!';
-$lang['i_confexists']          = '<code>%s</code> already exists';
-$lang['i_writeerr']            = 'Unable to create <code>%s</code>. You will need to check directory/file permissions and create the file manually.';
-$lang['i_badhash']             = 'unrecognised or modified dokuwiki.php (hash=<code>%s</code>)';
-$lang['i_badval']              = '<code>%s</code> - illegal or empty value';
-$lang['i_failure']             = 'Some errors occurred while writing the configuration files. You may need to fix them manually before you can use <a href="doku.php?id=wiki:welcome">your new DokuWiki</a>.';
-$lang['i_policy']              = 'Initial ACL policy';
 $lang['i_pol0']                = 'ღია ვიკი (წაკითხვა, დაწერა და ატვირთვა შეუძლია ნებისმიერს)';
 $lang['i_pol1']                = 'თავისუფალი ვიკი (წაკითხვა შეუძლია ყველას, დაწერა და ატვირთვა - რეგისტრირებულს)';
 $lang['i_pol2']                = 'დახურული ვიკი (წაკითხვა, დაწერა და ატვირთვა შეუძლიათ მხოლოდ რეგისტრირებულებს)';
@@ -291,7 +231,6 @@ $lang['i_license']             = 'აირჩიეთ ლიცენზია
 $lang['i_license_none']        = 'არ აჩვენოთ ლიცენზიის ინფორმაცია';
 $lang['i_pop_field']           = 'დაგვეხმარეთ DokuWiki-ს აგუმჯობესებაში';
 $lang['i_pop_label']           = 'თვეში ერთელ ინფორმაციის DokuWiki-ის ადმინისტრაციისთვის გაგზავნა';
-$lang['recent_global']         = 'You\'re currently watching the changes inside the <b>%s</b> namespace. You can also <a href="%s">view the recent changes of the whole wiki</a>.';
 $lang['years']                 = '%d წლის უკან';
 $lang['months']                = '%d თვის უკან';
 $lang['weeks']                 = '%d კვირის უკან';
@@ -306,17 +245,12 @@ $lang['media_file']            = 'ფაილი';
 $lang['media_viewtab']         = 'ჩვენება';
 $lang['media_edittab']         = 'რედაქტირება';
 $lang['media_historytab']      = 'ისტორია';
-$lang['media_list_thumbs']     = 'Thumbnails';
-$lang['media_list_rows']       = 'Rows';
 $lang['media_sort_name']       = 'სახელი';
 $lang['media_sort_date']       = 'თარიღი';
-$lang['media_namespaces']      = 'Choose namespace';
 $lang['media_files']           = 'ფაილები %s';
 $lang['media_upload']          = 'ატვირთვა %s';
 $lang['media_search']          = 'ძებნა %s';
 $lang['media_view']            = '%s';
-$lang['media_viewold']         = '%s at %s';
 $lang['media_edit']            = 'რედაქტირება %s';
 $lang['media_history']         = 'ისტორია %s';
-$lang['media_meta_edited']     = 'metadata edited';
 $lang['media_perm_read']       = 'თვენ არ გაქვთ უფლება წაიკითხოთ ეს მასალა';
diff --git a/inc/lang/km/lang.php b/inc/lang/km/lang.php
index 87ac30936f32a796e57dc61c6de3dcfdb0a54060..4c2d7f688e66b1bdd5eef3184b0da0761344321d 100644
--- a/inc/lang/km/lang.php
+++ b/inc/lang/km/lang.php
@@ -185,12 +185,9 @@ $lang['i_enableacl']  = 'បើកប្រើ (អនុសាស)';
 $lang['i_superuser']  = 'អ្នកកំពូល';
 $lang['i_problems']   = 'កម្មវិធី​ដំឡើងបានប៉ះឧបសគ្គ។ អ្នកមិនអាចបន្តទៅទៀត ដល់អ្នកជួសជុលវា។';
 $lang['i_modified']   = '';
-$lang['i_funcna']     = '<code>%s</code> ';
 $lang['i_permfail']   = '<code>%s</code> មិនអាចសាស';
 $lang['i_confexists'] = '<code>%s</code> មានហាយ';
 $lang['i_writeerr']   = 'មិនអាចបណ្កើ<code>%s</code>។ អ្នកត្រវការពិនិត្យអធិក្រឹតិរបស់ថតនឹងឯកសារ។';
-$lang['i_badhash']    = '(hash=<code>%s</code>)';
-$lang['i_badval']     = '<code>%s</code>&mdash;';
 $lang['i_success']    = '';
 $lang['i_failure']    = 'ពលសាសារ';
 $lang['i_policy']     = 'បញ្ជីអនុញ្ញតផ្ដើម';
diff --git a/inc/lang/ku/admin.txt b/inc/lang/ku/admin.txt
deleted file mode 100644
index cfd21b21790353b863bff2ce565f645347b5b051..0000000000000000000000000000000000000000
--- a/inc/lang/ku/admin.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-====== Administration ======
-
-Below you can find a list of administrative tasks available in DokuWiki.
-
diff --git a/inc/lang/ku/denied.txt b/inc/lang/ku/denied.txt
deleted file mode 100644
index 34cb8456a6cc18ba211acd4e57de24539ad79b65..0000000000000000000000000000000000000000
--- a/inc/lang/ku/denied.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-====== Permission Denied ======
-
-Sorry, you don't have enough rights to continue.
-
diff --git a/inc/lang/ku/editrev.txt b/inc/lang/ku/editrev.txt
deleted file mode 100644
index e6995713bd2d3d7e1960747bc671f1a3c06eb0e0..0000000000000000000000000000000000000000
--- a/inc/lang/ku/editrev.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-**You've loaded an old revision of the document!** If you save it, you will create a new version with this data.
-----
\ No newline at end of file
diff --git a/inc/lang/ku/lang.php b/inc/lang/ku/lang.php
index 7e21b5ba77104465b52efe6b4930c48913914871..460b5e8a304b87102e70da37d22961dd4c002560 100644
--- a/inc/lang/ku/lang.php
+++ b/inc/lang/ku/lang.php
@@ -31,109 +31,16 @@ $lang['btn_update'] = 'Rojanekirin';
 $lang['btn_delete'] = 'Jê bibe';
 $lang['btn_back']   = 'PaÅŸ';
 $lang['btn_backlink']    = 'Girêdanên paş';
-$lang['btn_subscribe']   = 'Subscribe Changes';
-$lang['btn_register'] = 'Register';
 
-$lang['loggedinas'] = 'Logged in as:';
-$lang['user']       = 'Username';
-$lang['pass']       = 'Password';
-$lang['passchk']    = 'once again';
-$lang['remember']   = 'Remember me';
-$lang['fullname']   = 'Full name';
-$lang['email']      = 'E-Mail';
-$lang['badlogin']   = 'Sorry, username or password was wrong.';
-
-$lang['regmissing'] = 'Sorry, you must fill in all fields.';
-$lang['reguexists'] = 'Sorry, a user with this login already exists.';
-$lang['regsuccess'] = 'The user has been created and the password was sent by email.';
-$lang['regsuccess2']= 'The user has been created.';
-$lang['regmailfail']= 'Looks like there was an error on sending the password mail. Please contact the admin!';
-$lang['regbadmail'] = 'The given email address looks invalid - if you think this is an error, contact the admin';
-$lang['regbadpass'] = 'The two given passwords are not identically, please try again.';
-$lang['regpwmail']  = 'Your DokuWiki password';
-$lang['reghere']    = 'You don\'t have an account yet? Just get one';
-
-$lang['txt_upload']   = 'Select file to upload';
-$lang['txt_filename'] = 'Enter wikiname (optional)';
-$lang['txt_overwrt']  = 'Overwrite existing file';
-$lang['lockedby']     = 'Currently locked by';
-$lang['lockexpire']   = 'Lock expires at';
-$lang['js']['willexpire']   = 'Your lock for editing this page is about to expire in a minute.\nTo avoid conflicts use the preview button to reset the locktimer.';
-
-$lang['js']['notsavedyet'] = 'Unsaved changes will be lost.\nReally continue?';
-
-$lang['rssfailed']   = 'An error occured while fetching this feed: ';
 $lang['nothingfound']= 'Tiştek nehat dîtin.';
-
-$lang['mediaselect'] = 'Mediafile Selection';
-$lang['uploadsucc']  = 'Upload successful';
-$lang['uploadfail']  = 'Upload failed. Maybe wrong permissions?';
-$lang['uploadwrong'] = 'Upload denied. This file extension is forbidden!';
-$lang['uploadexist'] = 'File already exists. Nothing done.';
-$lang['deletesucc']  = 'The file "%s" has been deleted.';
-$lang['deletefail']  = '"%s" couldn\'t be deleted - check permissions.';
-$lang['mediainuse']  = 'The file "%s" hasn\'t been deleted - it is still in use.';
-$lang['namespaces']  = 'Namespace';
-$lang['mediafiles']  = 'Available files in';
-
 $lang['reference']   = 'Referansa';
-$lang['ref_inuse']   = 'The file can\'t be deleted, because it\'s still used by the following pages:';
-$lang['ref_hidden']  = 'Some references  are on pages you don\'t have permission to read';
-
-$lang['hits']       = 'Hits';
-$lang['quickhits']  = 'Matching pagenames';
 $lang['toc']        = 'Tabloya Navêrokê';
-$lang['current']    = 'current';
-$lang['yours']      = 'Your Version';
-$lang['diff']       = 'show differences to current version';
 $lang['line']       = 'Rêz';
 $lang['breadcrumb'] = 'Åžop:';
 $lang['lastmod']    = 'Guherandina dawî:';
-$lang['by']         = 'by';
 $lang['deleted']    = 'hat jê birin';
 $lang['created']    = 'hat afirandin';
-$lang['restored']   = 'old revision restored (%s)';
 $lang['summary']    = 'Kurteya guhartinê';
-
-$lang['mail_newpage'] = 'page added:';
-$lang['mail_changed'] = 'page changed:';
-
-$lang['js']['nosmblinks'] = 'Linking to Windows shares only works in Microsoft Internet Explorer.\nYou still can copy and paste the link.';
-
-$lang['qb_bold']    = 'Bold Text';
-$lang['qb_italic']  = 'Italic Text';
-$lang['qb_underl']  = 'Underlined Text';
-$lang['qb_code']    = 'Code Text';
-$lang['qb_strike']  = 'Strike-through Text';
-$lang['qb_h1']      = 'Level 1 Headline';
-$lang['qb_h2']      = 'Level 2 Headline';
-$lang['qb_h3']      = 'Level 3 Headline';
-$lang['qb_h4']      = 'Level 4 Headline';
-$lang['qb_h5']      = 'Level 5 Headline';
-$lang['qb_link']    = 'Internal Link';
-$lang['qb_extlink'] = 'External Link';
-$lang['qb_hr']      = 'Horizontal Rule';
-$lang['qb_ol']      = 'Ordered List Item';
-$lang['qb_ul']      = 'Unordered List Item';
-$lang['qb_media']   = 'Add Images and other files';
-$lang['qb_sig']     = 'Insert Signature';
-
-$lang['js']['del_confirm']= 'Delete this entry?';
-
-$lang['metaedit']    = 'Edit Metadata';
-$lang['metasaveerr'] = 'Writing metadata failed';
-$lang['metasaveok']  = 'Metadata saved';
-$lang['btn_img_backto']  = 'Back to %s';
-$lang['img_title']   = 'Title:';
-$lang['img_caption'] = 'Caption:';
-$lang['img_date']    = 'Date:';
-$lang['img_fname']   = 'Filename:';
-$lang['img_fsize']   = 'Size:';
-$lang['img_artist']  = 'Photographer:';
-$lang['img_copyr']   = 'Copyright:';
-$lang['img_format']  = 'Format:';
-$lang['img_camera']  = 'Camera:';
-$lang['img_keywords']= 'Keywords:';
 $lang['searchcreatepage']      = "Heke tiştek nehatibe dîtin, tu dikarî dest bi nivîsandina rûpelekê nû bikî. Ji bo vê, ''Vê rûpelê biguherîne'' bitikîne.";
 
 //Setup VIM: ex: et ts=2 :
diff --git a/inc/lang/ku/locked.txt b/inc/lang/ku/locked.txt
deleted file mode 100644
index af6347a962a7364c9aad79dd28f88a003de326bd..0000000000000000000000000000000000000000
--- a/inc/lang/ku/locked.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-====== Page locked ======
-
-This page is currently locked for editing by another user. You have to wait until this user finishes editing or the lock expires.
diff --git a/inc/lang/ku/login.txt b/inc/lang/ku/login.txt
deleted file mode 100644
index 2004ea1985fd289991cc44ae7aa4eb81ea8d23bb..0000000000000000000000000000000000000000
--- a/inc/lang/ku/login.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-====== Login ======
-
-You are currently not logged in! Enter your authentication credentials below to log in. You need to have cookies enabled to log in.
-
diff --git a/inc/lang/ku/mailtext.txt b/inc/lang/ku/mailtext.txt
deleted file mode 100644
index 44a3f6553604d5de12b30ad006b272e87bd29c76..0000000000000000000000000000000000000000
--- a/inc/lang/ku/mailtext.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-A page in your DokuWiki was added or changed. Here are the details:
-
-Date        : @DATE@
-Browser     : @BROWSER@
-IP-Address  : @IPADDRESS@
-Hostname    : @HOSTNAME@
-Old Revision: @OLDPAGE@
-New Revision: @NEWPAGE@
-Edit Summary: @SUMMARY@
-User        : @USER@
-
-@DIFF@
-
-
--- 
-This mail was generated by DokuWiki at
-@DOKUWIKIURL@
diff --git a/inc/lang/ku/norev.txt b/inc/lang/ku/norev.txt
deleted file mode 100644
index 0b21bf3f06bacd312b1ca92e09470453b876aaa7..0000000000000000000000000000000000000000
--- a/inc/lang/ku/norev.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-====== No such revision ======
-
-The specified revision doesn't exist. Use the ''Old revisions'' button for a list of old revisions of this document.
-
diff --git a/inc/lang/ku/password.txt b/inc/lang/ku/password.txt
deleted file mode 100644
index 6d5cbe678cd813a4e5652cd2fa044b0feaa90728..0000000000000000000000000000000000000000
--- a/inc/lang/ku/password.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-Hi @FULLNAME@!
-
-Here is your userdata for @TITLE@ at @DOKUWIKIURL@
-
-Login    : @LOGIN@
-Password : @PASSWORD@
-
--- 
-This mail was generated by DokuWiki at
-@DOKUWIKIURL@
diff --git a/inc/lang/ku/read.txt b/inc/lang/ku/read.txt
deleted file mode 100644
index 9f56d81ad8b36dd3467fe8a43297209f53f93d67..0000000000000000000000000000000000000000
--- a/inc/lang/ku/read.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.
-
diff --git a/inc/lang/ku/register.txt b/inc/lang/ku/register.txt
deleted file mode 100644
index b65683bc2b4ac25c594a5186223530612162b69e..0000000000000000000000000000000000000000
--- a/inc/lang/ku/register.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-====== Register as new user ======
-
-Fill in all the information below to create a new account in this wiki. Make sure you supply a **valid e-mail address** - your new password will be sent to it. The login name should be a valid [[doku>pagename|pagename]].
-
diff --git a/inc/lang/ku/revisions.txt b/inc/lang/ku/revisions.txt
deleted file mode 100644
index dd5f35b8e7e3b17d8eaddffd705f868b1e69f2da..0000000000000000000000000000000000000000
--- a/inc/lang/ku/revisions.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-====== Old Revisions ======
-
-These are the older revisons of the current document. To revert to an old revision, select it from below, click ''Edit this page'' and save it.
-
diff --git a/inc/lang/ku/showrev.txt b/inc/lang/ku/showrev.txt
deleted file mode 100644
index 3608de36b84af7d8fc918b1fa0d439bf04b0bb27..0000000000000000000000000000000000000000
--- a/inc/lang/ku/showrev.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-**This is an old revision of the document!**
-----
diff --git a/inc/lang/ku/stopwords.txt b/inc/lang/ku/stopwords.txt
deleted file mode 100644
index bc6eb48aea08f241e220bc59d6d6851acfb8e381..0000000000000000000000000000000000000000
--- a/inc/lang/ku/stopwords.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-# This is a list of words the indexer ignores, one word per line
-# When you edit this file be sure to use UNIX line endings (single newline)
-# No need to include words shorter than 3 chars - these are ignored anyway
-# This list is based upon the ones found at http://www.ranks.nl/stopwords/
-about
-are
-and
-you
-your
-them
-their
-com
-for
-from
-into
-how
-that
-the
-this
-was
-what
-when
-where
-who
-will
-with
-und
-the
-www