diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index 97bc0493f4b..dde40eb84c1 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -1880,78 +1880,6 @@ class Propal extends CommonObject
 		}
 	}
 
-
-	/**
-	 *  Change the payments conditions of the invoice
-	 *
-	 *  @param		int		$cond_reglement_id	Id of new payment condition
-	 *  @return     int                    		>0 if OK, <0 if KO
-	 *  TODO deprecated
-	 */
-	function cond_reglement($cond_reglement_id)
-	{
-		dol_syslog('Propale::cond_reglement('.$cond_reglement_id.')');
-		if ($this->statut >= 0)
-		{
-			$sql = 'UPDATE '.MAIN_DB_PREFIX.'propal';
-			$sql .= ' SET fk_cond_reglement = '.$cond_reglement_id;
-			$sql .= ' WHERE rowid='.$this->id;
-			if ( $this->db->query($sql) )
-			{
-				$this->cond_reglement_id = $cond_reglement_id;
-				return 1;
-			}
-			else
-			{
-				dol_syslog('Propale::cond_reglement Erreur '.$sql.' - '.$this->db->error());
-				$this->error=$this->db->error();
-				return -1;
-			}
-		}
-		else
-		{
-			dol_syslog('Propale::cond_reglement, etat propale incompatible');
-			$this->error='Etat propale incompatible '.$this->statut;
-			return -2;
-		}
-	}
-
-
-	/**
-	 *  Change the payment mode
-	 *
-	 *  @param	int	$mode_reglement_id	Id of new payment mode
-	 *  @return int         			>0 if OK, <0 if KO
-	 *  TODO deprecated
-	 */
-	function mode_reglement($mode_reglement_id)
-	{
-		dol_syslog('Propale::mode_reglement('.$mode_reglement_id.')');
-		if ($this->statut >= 0)
-		{
-			$sql = 'UPDATE '.MAIN_DB_PREFIX.'propal';
-			$sql .= ' SET fk_mode_reglement = '.$mode_reglement_id;
-			$sql .= ' WHERE rowid='.$this->id;
-			if ( $this->db->query($sql) )
-			{
-				$this->mode_reglement_id = $mode_reglement_id;
-				return 1;
-			}
-			else
-			{
-				dol_syslog('Propale::mode_reglement Erreur '.$sql.' - '.$this->db->error());
-				$this->error=$this->db->error();
-				return -1;
-			}
-		}
-		else
-		{
-			dol_syslog('Propale::mode_reglement, etat propale incompatible');
-			$this->error='Etat facture incompatible '.$this->statut;
-			return -2;
-		}
-	}
-
 	/**
 	 *  Change the delivery time
 	 *
diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index c67fc51de3f..08a44f6d24e 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -1975,77 +1975,6 @@ class Commande extends CommonObject
         }
     }
 
-    /**
-     *	Change les conditions de reglement de la commande
-     *
-     *	@param      int	$cond_reglement_id      Id de la nouvelle condition de reglement
-     *	@return     int                    		>0 if OK, <0 if KO
-     *	TODO deprecated
-     */
-    function cond_reglement($cond_reglement_id)
-    {
-        dol_syslog('Commande::cond_reglement('.$cond_reglement_id.')');
-        if ($this->statut >= 0)
-        {
-            $sql = 'UPDATE '.MAIN_DB_PREFIX.'commande';
-            $sql .= ' SET fk_cond_reglement = '.$cond_reglement_id;
-            $sql .= ' WHERE rowid='.$this->id;
-            if ( $this->db->query($sql) )
-            {
-                $this->cond_reglement_id = $cond_reglement_id;
-                return 1;
-            }
-            else
-            {
-                dol_syslog('Commande::cond_reglement Erreur '.$sql.' - '.$this->db->error(), LOG_ERR);
-                $this->error=$this->db->lasterror();
-                return -1;
-            }
-        }
-        else
-        {
-            dol_syslog('Commande::cond_reglement, etat commande incompatible', LOG_ERR);
-            $this->error='Etat commande incompatible '.$this->statut;
-            return -2;
-        }
-    }
-
-
-    /**
-     *  Change le mode de reglement
-     *
-     *  @param      int		$mode       Id du nouveau mode
-     *  @return     int         		>0 si ok, <0 si ko
-     *  TODO deprecated
-     */
-    function mode_reglement($mode_reglement_id)
-    {
-        dol_syslog('Commande::mode_reglement('.$mode_reglement_id.')');
-        if ($this->statut >= 0)
-        {
-            $sql = 'UPDATE '.MAIN_DB_PREFIX.'commande';
-            $sql .= ' SET fk_mode_reglement = '.$mode_reglement_id;
-            $sql .= ' WHERE rowid='.$this->id;
-            if ( $this->db->query($sql) )
-            {
-                $this->mode_reglement_id = $mode_reglement_id;
-                return 1;
-            }
-            else
-            {
-                dol_syslog('Commande::mode_reglement Erreur '.$sql.' - '.$this->db->error(), LOG_ERR);
-                $this->error=$this->db->lasterror();
-                return -1;
-            }
-        }
-        else
-        {
-            dol_syslog('Commande::mode_reglement, etat facture incompatible', LOG_ERR);
-            $this->error='Etat commande incompatible '.$this->statut;
-            return -2;
-        }
-    }
-
     /**
      *	Change le delai de livraison
      *
diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index de4db61574c..67f7820cbf0 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -267,15 +267,6 @@ if ($action == 'setinvoicedate')
     if ($result < 0) dol_print_error($db,$object->error);
 }
 
-// TODO obsolete ? not used
-if ($action == 'setpaymentterm')
-{
-    $object->fetch($id);
-    $date_lim_reglement=dol_mktime(12,0,0,$_POST['paymenttermmonth'],$_POST['paymenttermday'],$_POST['paymenttermyear']);
-    $result=$object->cond_reglement($object->cond_reglement_id,$date_lim_reglement);
-    if ($result < 0) dol_print_error($db,$object->error);
-}
-
 if ($action == 'setconditions')
 {
     $object->fetch($id);
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index d5247846507..dad4757f61d 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -2686,93 +2686,6 @@ class Facture extends CommonObject
         }
     }
 
-    /**
-     *  Change les conditions de reglement de la facture
-     *
-     *  @param      int		$cond_reglement_id      Id de la nouvelle condition de reglement
-     * 	@param		date	$date					Date to force payment term
-     *  @return     int                    			>0 si ok, <0 si ko
-     *  TODO deprecated, not used
-     */
-    function cond_reglement($cond_reglement_id,$date='')
-    {
-        if ($this->statut >= 0 && $this->paye == 0)
-        {
-            // Define cond_reglement_id and datelim
-            if (strval($date) != '')
-            {
-                $datelim=$date;
-                $cond_reglement_id=0;
-            }
-            else
-            {
-                $datelim=$this->calculate_date_lim_reglement($cond_reglement_id);
-                $cond_reglement_id=$cond_reglement_id;
-            }
-
-            $sql = 'UPDATE '.MAIN_DB_PREFIX.'facture';
-            $sql.= ' SET fk_cond_reglement = '.$cond_reglement_id.',';
-            $sql.= ' date_lim_reglement='.$this->db->idate($datelim);
-            $sql.= ' WHERE rowid='.$this->id;
-
-            dol_syslog(get_class($this)."::cond_reglement sql=".$sql, LOG_DEBUG);
-            if ( $this->db->query($sql) )
-            {
-                $this->cond_reglement_id = $cond_reglement_id;
-                return 1;
-            }
-            else
-            {
-                dol_syslog(get_class($this)."::cond_reglement Erreur ".$sql.' - '.$this->db->error());
-                $this->error=$this->db->error();
-                return -1;
-            }
-        }
-        else
-        {
-            dol_syslog(get_class($this)."::cond_reglement, etat facture incompatible");
-            $this->error='Entity status not compatible '.$this->statut.' '.$this->paye;
-            return -2;
-        }
-    }
-
-
-    /**
-     *	Change le mode de reglement
-     *
-     *	@param		int		$mode_reglement_id      Id du nouveau mode
-     *	@return     int         					>0 if OK, <0 if KO
-     *	TODO deprecated
-     */
-    function mode_reglement($mode_reglement_id)
-    {
-        dol_syslog(get_class($this).'::mode_reglement('.$mode_reglement_id.')', LOG_DEBUG);
-        if ($this->statut >= 0 && $this->paye == 0)
-        {
-            $sql = 'UPDATE '.MAIN_DB_PREFIX.'facture';
-            $sql .= ' SET fk_mode_reglement = '.$mode_reglement_id;
-            $sql .= ' WHERE rowid='.$this->id;
-            if ( $this->db->query($sql) )
-            {
-                $this->mode_reglement_id = $mode_reglement_id;
-                return 1;
-            }
-            else
-            {
-                dol_syslog(get_class($this).'::mode_reglement Erreur '.$sql.' - '.$this->db->error());
-                $this->error=$this->db->error();
-                return -1;
-            }
-        }
-        else
-        {
-            dol_syslog(get_class($this).'::mode_reglement, etat facture incompatible');
-            $this->error='Etat facture incompatible '.$this->statut.' '.$this->paye;
-            return -2;
-        }
-    }
-
-
     /**
      *	Renvoi si les lignes de facture sont ventilees et/ou exportees en compta
      *
diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index acde026bdee..a3493d142f4 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -1300,76 +1300,6 @@ class CommandeFournisseur extends Commande
         }
     }
 
-    /**
-     *  Change les conditions de reglement de la commande
-     *
-     *  @param      int		$cond_reglement_id      Id de la nouvelle condition de reglement
-     *  @return     int                    			>0 si ok, <0 si ko
-     *  TODO deprecated
-     */
-    function cond_reglement($cond_reglement_id)
-    {
-        dol_syslog('CommandeFournisseur::cond_reglement('.$cond_reglement_id.')');
-        if ($this->statut >= 0)
-        {
-            $sql = 'UPDATE '.MAIN_DB_PREFIX.'commande_fournisseur';
-            $sql .= ' SET fk_cond_reglement = '.$cond_reglement_id;
-            $sql .= ' WHERE rowid='.$this->id;
-            if ( $this->db->query($sql) )
-            {
-                $this->cond_reglement_id = $cond_reglement_id;
-                return 1;
-            }
-            else
-            {
-                dol_syslog('CommandeFournisseur::cond_reglement Erreur '.$sql.' - '.$this->db->error(), LOG_ERR);
-                $this->error=$this->db->lasterror();
-                return -1;
-            }
-        }
-        else
-        {
-            dol_syslog('CommandeFournisseur::cond_reglement, etat commande incompatible', LOG_ERR);
-            $this->error='Etat commande incompatible '.$this->statut;
-            return -2;
-        }
-    }
-
-    /**
-     *  Change le mode de reglement
-     *
-     *  @param      int		$mode_reglement_id      Id du nouveau mode
-     *  @return     int         					>0 if OK, <0 if KO
-     *  TODO deprecated
-     */
-    function mode_reglement($mode_reglement_id)
-    {
-        dol_syslog('CommandeFournisseur::mode_reglement('.$mode_reglement_id.')');
-        if ($this->statut >= 0)
-        {
-            $sql = 'UPDATE '.MAIN_DB_PREFIX.'commande_fournisseur';
-            $sql .= ' SET fk_mode_reglement = '.$mode_reglement_id;
-            $sql .= ' WHERE rowid='.$this->id;
-            if ( $this->db->query($sql) )
-            {
-                $this->mode_reglement_id = $mode_reglement_id;
-                return 1;
-            }
-            else
-            {
-                dol_syslog('CommandeFournisseur::mode_reglement Erreur '.$sql.' - '.$this->db->error(), LOG_ERR);
-                $this->error=$this->db->lasterror();
-                return -1;
-            }
-        }
-        else
-        {
-            dol_syslog('CommandeFournisseur::mode_reglement, etat commande incompatible', LOG_ERR);
-            $this->error='Etat commande incompatible '.$this->statut;
-            return -2;
-        }
-    }
-
     /**
      * 	Set a delivery in database for this supplier order
      *