diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index 598d34f7093..4767db0e5ad 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -1056,14 +1056,6 @@ class Propal extends CommonObject
                 	}
                 }
 
-                // Add linked object (deprecated, use ->linkedObjectsIds instead)
-                if (! $error && $this->origin && $this->origin_id)
-                {
-                    dol_syslog('Deprecated use of linked object, use ->linkedObjectsIds instead', LOG_WARNING);
-                	$ret = $this->add_object_linked();
-                	if (! $ret)	dol_print_error($this->db);
-                }
-
                 /*
                  *  Insertion du detail des produits dans la base
                  *  Insert products detail in database
diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index 41ac2f126a7..755ea10303c 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -412,17 +412,6 @@ class FactureFournisseur extends CommonInvoice
 				}
 			}
 
-			// Add linked object (deprecated, use ->linkedObjectsIds instead)
-            if (! $error && $this->id && ! empty($this->origin) && ! empty($this->origin_id))
-            {
-                $ret = $this->add_object_linked();
-                if (! $ret)
-                {
-                    dol_print_error($this->db);
-                    $error++;
-                }
-            }
-
 			if (count($this->lines) && is_object($this->lines[0]))	// If this->lines is array of InvoiceLines (preferred mode)
 			{
 				dol_syslog("There is ".count($this->lines)." lines that are invoice lines objects");
diff --git a/htdocs/supplier_proposal/class/supplier_proposal.class.php b/htdocs/supplier_proposal/class/supplier_proposal.class.php
index 546a93763a6..a6b240a4532 100644
--- a/htdocs/supplier_proposal/class/supplier_proposal.class.php
+++ b/htdocs/supplier_proposal/class/supplier_proposal.class.php
@@ -986,13 +986,6 @@ class SupplierProposal extends CommonObject
                     }
                 }
 
-                // Add linked object (deprecated, use ->linkedObjectsIds instead)
-                if (! $error && $this->origin && $this->origin_id)
-                {
-                    $ret = $this->add_object_linked();
-                    if (! $ret)	dol_print_error($this->db);
-                }
-
                 /*
                  *  Insertion du detail des produits dans la base
                  */