diff --git a/elements/automatisme/fonction/qet_directory b/elements/automatisme/fonction/qet_directory
index 9c97fedf7..4a167f737 100644
--- a/elements/automatisme/fonction/qet_directory
+++ b/elements/automatisme/fonction/qet_directory
@@ -1,7 +1,6 @@
 <qet-directory>
     <names>
         <name lang="de">Funktions Plan (FUP)</name>
-        <name lang="de">Fup</name>
         <name lang="ru">Логические устройства</name>
         <name lang="en">Logic gates</name>
         <name lang="fr">Fonctions logiques</name>
diff --git a/elements/automatisme/qet_directory b/elements/automatisme/qet_directory
index 1ff6380b9..3cc981db8 100644
--- a/elements/automatisme/qet_directory
+++ b/elements/automatisme/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Automation</name>
         <name lang="de">Automation</name>
         <name lang="ru">Автоматика</name>
         <name lang="en">Automatism</name>
diff --git a/elements/automatisme/regulateurs/qet_directory b/elements/automatisme/regulateurs/qet_directory
index 7995e060e..3a58659c1 100644
--- a/elements/automatisme/regulateurs/qet_directory
+++ b/elements/automatisme/regulateurs/qet_directory
@@ -3,6 +3,6 @@
         <name lang="en">Controllers</name>
         <name lang="fr">Regulateurs digitaux</name>
         <name lang="pl">Kontrolery programowalne</name>
-        <name lang="en">Programovatelné ovladače</name>
+        <name lang="cs">Programovatelné ovladače</name>
     </names>
 </qet-directory>
diff --git a/elements/contacts/qet_directory b/elements/contacts/qet_directory
index dc5ecf34a..455423d7e 100644
--- a/elements/contacts/qet_directory
+++ b/elements/contacts/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Kontakte</name>
         <name lang="de">Kontakte</name>
         <name lang="ru">Контакты</name>
         <name lang="en">Contacts</name>
diff --git a/elements/contacts/simples/qet_directory b/elements/contacts/simples/qet_directory
index 85d0166d7..552ef21dd 100644
--- a/elements/contacts/simples/qet_directory
+++ b/elements/contacts/simples/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Einfach</name>
         <name lang="de">Einfach</name>
         <name lang="ru">простые</name>
         <name lang="en">Simple</name>
diff --git a/elements/convertisseurs/blocs/qet_directory b/elements/convertisseurs/blocs/qet_directory
index 1b720521c..f9a708e22 100644
--- a/elements/convertisseurs/blocs/qet_directory
+++ b/elements/convertisseurs/blocs/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Blöcke</name>
         <name lang="de">Blöcke</name>
         <name lang="ru">Блоки</name>
         <name lang="en">Boxes</name>
diff --git a/elements/mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_p_vers_a.elmt b/elements/mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_p_vers_a.elmt
index bea45cb5e..a2836a90b 100644
--- a/elements/mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_p_vers_a.elmt
+++ b/elements/mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_p_vers_a.elmt
@@ -3,7 +3,7 @@
         <name lang="en">2 ports open</name>
         <name lang="fr">2 orifices passants</name>
         <name lang="cs">2 otvory otevřené</name>
-        <name lang="cs">2 drogi, otwarty</name>
+        <name lang="pl">2 drogi, otwarty</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_croisees.elmt b/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_croisees.elmt
index 306f8f762..6a8f46acd 100644
--- a/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_croisees.elmt
+++ b/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_croisees.elmt
@@ -3,7 +3,7 @@
         <name lang="en">2 ports cross</name>
         <name lang="fr">2 voies croisées</name>
         <name lang="cs">2 cesty překřížené</name>
-        <name lang="cs">2 drogi</name>
+        <name lang="pl">2 drogi</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a_fermes.elmt b/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a_fermes.elmt
index 3700204c9..a2d4232a9 100644
--- a/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a_fermes.elmt
+++ b/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a_fermes.elmt
@@ -3,7 +3,7 @@
         <name lang="en">2 ports -P-A close</name>
         <name lang="fr">2 voies - P-A fermés</name>
         <name lang="cs">2 cesty - P-A zavřené</name>
-        <name lang="cs">2 drogi - P-A zamknięte</name>
+        <name lang="pl">2 drogi - P-A zamknięte</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a_fermes.elmt b/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a_fermes.elmt
index 9051fbb99..d5f57715d 100644
--- a/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a_fermes.elmt
+++ b/elements/mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a_fermes.elmt
@@ -3,7 +3,7 @@
         <name lang="en">2 ports -P-A closed - connected</name>
         <name lang="fr">2 voies - P-A fermés - connectées</name>
         <name lang="cs">2 cesty - P-A zavřené - spojené</name>
-        <name lang="cs">2 drogi - P-A zamknięte - połączone</name>
+        <name lang="pl">2 drogi - P-A zamknięte - połączone</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/protections/qet_directory b/elements/protections/qet_directory
index fe4428d19..38fb47378 100644
--- a/elements/protections/qet_directory
+++ b/elements/protections/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Sicherheit</name>
         <name lang="de">Sicherheit</name>
         <name lang="ru">Защитные уст-ва</name>
         <name lang="en">Protections</name>
diff --git a/elements/protections/relais_thermiques/qet_directory b/elements/protections/relais_thermiques/qet_directory
index 9c9b375e5..fb061ca38 100644
--- a/elements/protections/relais_thermiques/qet_directory
+++ b/elements/protections/relais_thermiques/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Thermische Relais</name>
         <name lang="de">Thermische Relais</name>
         <name lang="ru">Тепловые реле</name>
         <name lang="en">Thermal relays</name>
diff --git a/elements/recepteurs/bobines/qet_directory b/elements/recepteurs/bobines/qet_directory
index e10c9537d..e2526fe43 100644
--- a/elements/recepteurs/bobines/qet_directory
+++ b/elements/recepteurs/bobines/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Spulen</name>
         <name lang="de">Spulen</name>
         <name lang="ru">Обмотки</name>
         <name lang="en">Coils</name>
diff --git a/elements/recepteurs/machines/qet_directory b/elements/recepteurs/machines/qet_directory
index 29a788dad..405fe2a21 100644
--- a/elements/recepteurs/machines/qet_directory
+++ b/elements/recepteurs/machines/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Maschinen</name>
         <name lang="de">Maschinen</name>
         <name lang="ru">Эл. машины</name>
         <name lang="en">Machines</name>
diff --git a/elements/recepteurs/qet_directory b/elements/recepteurs/qet_directory
index 153700c52..6140ca8cc 100644
--- a/elements/recepteurs/qet_directory
+++ b/elements/recepteurs/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Verbraucher</name>
         <name lang="de">Verbraucher</name>
         <name lang="ru">Приёмники</name>
         <name lang="en">Receivers</name>
diff --git a/elements/semiconducteurs/qet_directory b/elements/semiconducteurs/qet_directory
index 12f6c70c6..7ef71db8f 100644
--- a/elements/semiconducteurs/qet_directory
+++ b/elements/semiconducteurs/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Halbleiter</name>
         <name lang="de">Halbleiter</name>
         <name lang="ru">Полупроводники</name>
         <name lang="en">Semiconductors</name>
diff --git a/elements/sources/qet_directory b/elements/sources/qet_directory
index 83d30a4c2..2f92d7c11 100644
--- a/elements/sources/qet_directory
+++ b/elements/sources/qet_directory
@@ -1,6 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Quellen</name>
         <name lang="de">Quellen</name>
         <name lang="ru">Источники</name>
         <name lang="en">Sources</name>