diff --git a/htdocs/langs/ca_ES/energy.lang b/htdocs/langs/ca_ES/energy.lang
deleted file mode 100644
index 0721b5e155c..00000000000
--- a/htdocs/langs/ca_ES/energy.lang
+++ /dev/null
@@ -1,12 +0,0 @@
-# Dolibarr language file - ca_ES - energy 
-CHARSET= UTF-8
-Energy= Energia
-Compteur= Comptador
-Compteurs= Comptadors
-NewCounter= Nou comptador
-NewGroup= Nou grup
-Group= Grup
-Electricity= Electricitat
-Water= Aigua
-NaturalGaz= Gas natural
-Releves= Transcripcions
diff --git a/htdocs/langs/es_ES/energy.lang b/htdocs/langs/es_ES/energy.lang
deleted file mode 100644
index f0ec8c97b52..00000000000
--- a/htdocs/langs/es_ES/energy.lang
+++ /dev/null
@@ -1,12 +0,0 @@
-# Dolibarr language file - es_ES - energy 
-CHARSET= UTF-8
-Energy= Energía
-Compteur= Contador
-Compteurs= Contadores
-NewCounter= Nuevo contador
-NewGroup= Nuevo grupo
-Group= Grupo
-Electricity= Electricidad
-Water= Agua
-NaturalGaz= Gas natural
-Releves= Transcripciones
diff --git a/htdocs/langs/fr_FR/energy.lang b/htdocs/langs/fr_FR/energy.lang
deleted file mode 100644
index 3d596feba32..00000000000
--- a/htdocs/langs/fr_FR/energy.lang
+++ /dev/null
@@ -1,12 +0,0 @@
-# Dolibarr language file - fr_FR - energy
-CHARSET=UTF-8
-Energy=Energie
-Compteur=Compteur
-Compteurs=Compteurs
-NewCounter=Nouveau compteur
-NewGroup=Nouveau groupe
-Group=Groupe
-Electricity=Electricité
-Water=Eau
-NaturalGaz=Gaz naturel
-Releves=Relevés
\ No newline at end of file
diff --git a/htdocs/langs/nl_BE/energy.lang b/htdocs/langs/nl_BE/energy.lang
deleted file mode 100644
index 661dc2ed540..00000000000
--- a/htdocs/langs/nl_BE/energy.lang
+++ /dev/null
@@ -1,12 +0,0 @@
-# Dolibarr language file - nl_NL - energy
-CHARSET=UTF-8
-Energy=Energie
-Compteur=Teller
-Compteurs=Tellers
-NewCounter=Nieuwe teller
-NewGroup=Nieuwe groep
-Group=Groep
-Electricity=Electriciteit
-Water=water
-NaturalGaz=Gas
-Releves=Transcripties
\ No newline at end of file
diff --git a/htdocs/langs/nl_NL/energy.lang b/htdocs/langs/nl_NL/energy.lang
deleted file mode 100644
index 661dc2ed540..00000000000
--- a/htdocs/langs/nl_NL/energy.lang
+++ /dev/null
@@ -1,12 +0,0 @@
-# Dolibarr language file - nl_NL - energy
-CHARSET=UTF-8
-Energy=Energie
-Compteur=Teller
-Compteurs=Tellers
-NewCounter=Nieuwe teller
-NewGroup=Nieuwe groep
-Group=Groep
-Electricity=Electriciteit
-Water=water
-NaturalGaz=Gas
-Releves=Transcripties
\ No newline at end of file
diff --git a/htdocs/langs/pt_PT/energy.lang b/htdocs/langs/pt_PT/energy.lang
deleted file mode 100644
index f29c0ee2c20..00000000000
--- a/htdocs/langs/pt_PT/energy.lang
+++ /dev/null
@@ -1,5 +0,0 @@
-# Dolibarr language file - pt_PT - energy
-CHARSET=UTF-8
-Energy=Energía
-NewCounter=Novo contador
-NewGroup=Novo grupo
diff --git a/htdocs/langs/sl_SI/energy.lang b/htdocs/langs/sl_SI/energy.lang
deleted file mode 100755
index 8e59a615065..00000000000
--- a/htdocs/langs/sl_SI/energy.lang
+++ /dev/null
@@ -1,13 +0,0 @@
-# Dolibarr language file - sl_SI - energy
-CHARSET=UTF-8
-Energy=Energija
-Compteur=Števec
-Compteurs=Števci
-NewCounter=Nov števec
-NewGroup=Nova skupina
-Group=Skupina
-Electricity=Elektrika
-Water=Voda
-NaturalGaz=Naravni plin
-Releves=Računi
-