diff --git a/elements/appareils_de_mesure/sondes/qet_directory b/elements/appareils_de_mesure/sondes/qet_directory
index 180aeb4c6..97bc53842 100644
--- a/elements/appareils_de_mesure/sondes/qet_directory
+++ b/elements/appareils_de_mesure/sondes/qet_directory
@@ -7,7 +7,6 @@
         <name lang="en">Sensors</name>
         <name lang="it">Sensori</name>
         <name lang="fr">Sondes</name>
-        <name lang="ar">مجسات</name>
         <name lang="pl">Sondy</name>
         <name lang="es">Sondeos</name>
         <name lang="cs">Snímače</name>
diff --git a/elements/contacts/poussoirs/qet_directory b/elements/contacts/poussoirs/qet_directory
index ed34bdcc1..31997c013 100644
--- a/elements/contacts/poussoirs/qet_directory
+++ b/elements/contacts/poussoirs/qet_directory
@@ -1,7 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Druckknopf</name>
-        <name lang="de">Druckschalter</name>
         <name lang="ru">кнопок</name>
         <name lang="en">Push-buttons</name>
         <name lang="fr">Poussoirs</name>
diff --git a/elements/convertisseurs/qet_directory b/elements/convertisseurs/qet_directory
index 3866bfaeb..59beeb8bb 100644
--- a/elements/convertisseurs/qet_directory
+++ b/elements/convertisseurs/qet_directory
@@ -1,7 +1,5 @@
 <qet-directory>
     <names>
-        <name lang="de">Umformer</name>
-        <name lang="de">Umrichter</name>
         <name lang="ru">Преобразователи</name>
         <name lang="en">Converters</name>
         <name lang="fr">Convertisseurs</name>
diff --git a/elements/process/qet_directory b/elements/process/qet_directory
index c0d7cb31c..9a5ed5833 100644
--- a/elements/process/qet_directory
+++ b/elements/process/qet_directory
@@ -1,10 +1,9 @@
 <qet-directory>
     <names>
         <name lang="fr" >Process</name>
-	<name lang="en" >Process</name>
-	<name lang="pl" >Automatyka procesów</name>
+        <name lang="en" >Process</name>
+        <name lang="pl" >Automatyka procesów</name>
         <name lang="it" >Processi</name>
-	<name lang="en" >Process</name>
-	<name lang="cs" >Automatizace procesů</name>
+        <name lang="cs" >Automatizace procesů</name>
     </names>
 </qet-directory>