diff --git a/htdocs/langs/ar_EG/admin.lang b/htdocs/langs/ar_EG/admin.lang
index e4b07918378..53393c74233 100644
--- a/htdocs/langs/ar_EG/admin.lang
+++ b/htdocs/langs/ar_EG/admin.lang
@@ -25,6 +25,5 @@ Module25Desc=إدارة أوامر الشراء
 Module700Name=تبرعات
 Module1780Name=الأوسمة/التصنيفات
 Permission81=قراءة أوامر الشراء
-Audit=Audit
 LogEventDesc=You can enable here the logging for Dolibarr security events. Administrators can then see its content via menu <b>System tools - Audit</b>. Warning, this feature can consume a large amount of data in database.
 NoEventOrNoAuditSetup=No security event has been recorded yet. This can be normal if audit has not been enabled on "setup - security - audit" page.
diff --git a/htdocs/langs/de_AT/main.lang b/htdocs/langs/de_AT/main.lang
index 8a51e29cb85..e3be90a6cc4 100644
--- a/htdocs/langs/de_AT/main.lang
+++ b/htdocs/langs/de_AT/main.lang
@@ -33,7 +33,6 @@ ConfirmClone=Klonen/Duplizieren - Optionen:
 Of=Von
 Search=Suche
 SearchOf=Suche
-Upload=Upload
 PasswordRetype=Geben Sie das Passwort erneut ein
 DateStart=Start-Datum
 DateEnd=End-Datum
diff --git a/htdocs/langs/en_GB/admin.lang b/htdocs/langs/en_GB/admin.lang
index d5046722e24..6f2ae713012 100644
--- a/htdocs/langs/en_GB/admin.lang
+++ b/htdocs/langs/en_GB/admin.lang
@@ -35,7 +35,6 @@ ProtectAndEncryptPdfFilesDesc=Protection of a PDF document keeps it available to
 MeasuringUnit=Measurement unit
 MAIN_MAIL_AUTOCOPY_TO=Copy (Cc) all sent emails to
 ModuleFamilyCrm=Customer Relations Management (CRM)
-ModuleFamilyProducts=Product Management (PM)
 ModuleFamilyHr=Human Resources Management (HR)
 ModuleFamilyTechnic=Multi-module tools
 ThisIsProcessToFollow=These are steps to process:
@@ -56,9 +55,6 @@ FollowingSubstitutionKeysCanBeUsed=<br>To learn how to create your .odt document
 DescWeather=The following pictures will be shown on the dashboard when the number of late actions reaches the following values:
 ThisForceAlsoTheme=This menu manager will use its own theme irrespective of user choice. This menu manager is also specialised for some but not all, smartphones. Use another menu manager if you experience problems with yours.
 Module50200Name=PayPal
-Permission300=Read barcodes
-Permission301=Create/modify barcodes
-Permission302=Delete barcodes
 DictionaryAccountancyJournal=Finance journals
 CompanyZip=Postcode
 LDAPFieldZip=Postcode
diff --git a/htdocs/langs/en_GB/companies.lang b/htdocs/langs/en_GB/companies.lang
index db4c81a57bd..560fcec6832 100644
--- a/htdocs/langs/en_GB/companies.lang
+++ b/htdocs/langs/en_GB/companies.lang
@@ -1,3 +1,2 @@
 # Dolibarr language file - Source file is en_US - companies
 Zip=Postcode
-Gencod=Barcode
diff --git a/htdocs/langs/en_GB/errors.lang b/htdocs/langs/en_GB/errors.lang
index 77442968d1a..24123f479a8 100644
--- a/htdocs/langs/en_GB/errors.lang
+++ b/htdocs/langs/en_GB/errors.lang
@@ -1,4 +1,2 @@
 # Dolibarr language file - Source file is en_US - errors
 ErrorBadBarCodeSyntax=Bad syntax for barcode. Perhaps you selected the wrong barcode type or you defined a barcode mask for numbering that does not match the value scanned.
-ErrorBarCodeRequired=Barcode required
-ErrorBarCodeAlreadyUsed=Barcode already used
diff --git a/htdocs/langs/en_GB/products.lang b/htdocs/langs/en_GB/products.lang
index 398b1e76bde..fc9c683916c 100644
--- a/htdocs/langs/en_GB/products.lang
+++ b/htdocs/langs/en_GB/products.lang
@@ -1,5 +1,3 @@
 # Dolibarr language file - Source file is en_US - products
-BarCodePrintsheet=Print barcode
 PageToGenerateBarCodeSheets=With this tool, you can print sheets of barcode labels. Choose format of your label page, type of barcode and value of barcode, then click on button <b>%s</b>.
 PrintsheetForOneBarCode=Print several labels for one barcode
-DefinitionOfBarCodeForProductNotComplete=Definition of type or value of barcode not complete for product %s.
diff --git a/htdocs/langs/es_CL/admin.lang b/htdocs/langs/es_CL/admin.lang
index 93ee3101ef4..ec427601415 100644
--- a/htdocs/langs/es_CL/admin.lang
+++ b/htdocs/langs/es_CL/admin.lang
@@ -931,7 +931,6 @@ FCKeditorForProduct=WYSIWIG creación / edición de productos / servicios descri
 FCKeditorForMailing=Creación / edición WYSIWIG para eMailings masivos (Herramientas-> eMailing)
 FCKeditorForUserSignature=Creación / edición WYSIWIG de la firma del usuario
 FCKeditorForMail=Creación / edición WYSIWIG para todo el correo (excepto Herramientas-> correo electrónico)
-OSCommerceTestKo2=La conexión al servidor '%s' con el usuario '%s' falló.
 StockSetup=Configuración del módulo de stock
 MenuDeleted=Menú borrado
 NotTopTreeMenuPersonalized=Menús personalizados no vinculados a una entrada del menú superior
diff --git a/htdocs/langs/es_CL/main.lang b/htdocs/langs/es_CL/main.lang
index 9bb6dd7f295..9dbe998903c 100644
--- a/htdocs/langs/es_CL/main.lang
+++ b/htdocs/langs/es_CL/main.lang
@@ -313,7 +313,6 @@ MailSentBy=Correo electrónico enviado por
 TextUsedInTheMessageBody=Cuerpo del correo electronico
 SendAcknowledgementByMail=Enviar correo electrónico de confirmación
 SendMail=Enviar correo electrónico
-EMail=Email
 NoEMail=Sin correo electrónico
 FollowingConstantsWillBeSubstituted=Las siguientes constantes se reemplazarán por el valor correspondiente.
 BackToList=Volver a la lista
diff --git a/htdocs/langs/es_EC/admin.lang b/htdocs/langs/es_EC/admin.lang
index 4da30a203a0..1ee4ce793e6 100644
--- a/htdocs/langs/es_EC/admin.lang
+++ b/htdocs/langs/es_EC/admin.lang
@@ -975,7 +975,6 @@ FCKeditorForProduct=WYSIWIG creación / edición de productos / servicios descri
 FCKeditorForMailing= WYSIWIG creación / edición para eMailings masivos (Herramientas->eMailing)
 FCKeditorForUserSignature=WYSIWIG creación / edición de firma de usuario
 FCKeditorForMail=WYSIWIG Creación / edición para todo el correo (excepto Herramientas->eMailing)
-OSCommerceTestKo2=Conexión al servidor '%s' con el usuario '%s' falló.
 StockSetup=Configuración del módulo de stock/inventario
 NotTopTreeMenuPersonalized=Menús personalizados no vinculados a una entrada de menú superior
 Menu=Selección del menú
diff --git a/htdocs/langs/es_EC/main.lang b/htdocs/langs/es_EC/main.lang
index d391ac58b14..4f2591c0c42 100644
--- a/htdocs/langs/es_EC/main.lang
+++ b/htdocs/langs/es_EC/main.lang
@@ -342,7 +342,6 @@ MailSentBy=Correo electrónico enviado por
 TextUsedInTheMessageBody=Cuerpo del correo electronico
 SendAcknowledgementByMail=Enviar correo electrónico de confirmación
 SendMail=Enviar correo electrónico
-EMail=Correo electrónico
 NoEMail=Sin correo electrónico
 Email=Correo electrónico
 NotRead=No leer
diff --git a/htdocs/langs/es_MX/main.lang b/htdocs/langs/es_MX/main.lang
index 5d9a6b2fcda..aa4bac2bdb1 100644
--- a/htdocs/langs/es_MX/main.lang
+++ b/htdocs/langs/es_MX/main.lang
@@ -182,7 +182,6 @@ FeatureNotYetSupported=Característica aún no soportada
 SendByMail=Enviar por correo electrónico
 MailSentBy=Correo electrónico enviado por
 TextUsedInTheMessageBody=Cuerpo del correo electronico
-EMail=Email
 NoEMail=Sin correo electrónico
 FollowingConstantsWillBeSubstituted=Las siguientes constantes serán reemplazadas con el valor correspondiente.
 Refresh=Actualizar
diff --git a/htdocs/langs/fr_CA/main.lang b/htdocs/langs/fr_CA/main.lang
index c7466f9df38..6776c458708 100644
--- a/htdocs/langs/fr_CA/main.lang
+++ b/htdocs/langs/fr_CA/main.lang
@@ -99,7 +99,6 @@ MonthVeryShort09=D
 NbOfObjectReferers=Nombre d'articles connexes
 Referers=Articles connexes
 SendAcknowledgementByMail=Envoyer un email de confirmation
-EMail=Courriel
 ValueIsNotValid=La valeur n'est pas valide
 RecordsModified=%s enregistrement modifié
 RecordsDeleted=%s enregistrement(s) supprimé(s)
diff --git a/htdocs/langs/pt_BR/admin.lang b/htdocs/langs/pt_BR/admin.lang
index ed1f3794eec..3a6fbb39347 100644
--- a/htdocs/langs/pt_BR/admin.lang
+++ b/htdocs/langs/pt_BR/admin.lang
@@ -1016,8 +1016,6 @@ FCKeditorForProduct=Criação/edição do WYSIWIG nas descrições de  produtos/
 FCKeditorForMailing=Criação/edição do WYSIWIG nos E-Mails massivos (ferramentas->emailing)
 FCKeditorForUserSignature=criação/edição do WYSIWIG nas assinaturas de usuários
 FCKeditorForMail=Criação/Edição WYSIWIG para todos os e-mails (exceto Ferramentas->eMailing)
-OSCommerceTestOk=Conexão para o servidor '%s' no banco de dados '%s' com o usuário '%s' foi bem sucedida.
-OSCommerceTestKo2=Conexão ao servidor '%s' com o usuário '%s' falhou.
 MenuDeleted=Menu Deletado
 NotTopTreeMenuPersonalized=Menus personalizados não conectados à uma entrada do menu superior
 NewMenu=Novo Menu