diff --git a/htdocs/core/modules/modSociete.class.php b/htdocs/core/modules/modSociete.class.php
index a0d190c65cd..8d6490becfe 100644
--- a/htdocs/core/modules/modSociete.class.php
+++ b/htdocs/core/modules/modSociete.class.php
@@ -269,8 +269,6 @@ class modSociete extends DolibarrModules
 			't.libelle'=>"ThirdPartyType",'ce.code'=>"Staff","cfj.libelle"=>"JuridicalStatus",'s.fk_prospectlevel'=>'ProspectLevel',
 			'st.code'=>'ProspectStatus','payterm.libelle'=>'PaymentConditions','paymode.libelle'=>'PaymentMode'
 		);
-		if (! empty($conf->global->SOCIETE_USEPREFIX)) $this->export_fields_array[$r]['s.prefix']='Prefix';
-
 		if (! empty($conf->global->SOCIETE_USEPREFIX)) $this->export_fields_array[$r]['s.prefix']='Prefix';
 		if (! empty($conf->global->PRODUIT_MULTIPRICES)) $this->export_fields_array[$r]['s.price_level']='PriceLevel';
 		// Add multicompany field