diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index aba487ab4a0..544063bc4c8 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -621,7 +621,7 @@ abstract class CommonObject
 			$thirdpartyid = $object->fk_soc;
 		}
 
-		$out = '<!-- BEGIN part to show address block -->';
+		$out = '';
 
 		$outdone = 0;
 		$coords = $this->getFullAddress(1, ', ', $conf->global->MAIN_SHOW_REGION_IN_STATE_SELECT);
@@ -682,7 +682,7 @@ abstract class CommonObject
 			$out .= dol_print_phone($this->office_fax, $this->country_code, $contactid, $thirdpartyid, 'AC_FAX', '&nbsp;', 'fax', $langs->trans("Fax")); $outdone++;
 		}
 
-		$out .= '<div style="clear: both;"></div>';
+		if ($out) $out .= '<div style="clear: both;"></div>';
 		$outdone = 0;
 		if (!empty($this->email))
 		{
@@ -695,32 +695,36 @@ abstract class CommonObject
 		    $out .= dol_print_url($this->url, '_blank', 0, 1);
 			$outdone++;
 		}
-		$out .= '<div style="clear: both;">';
+
 		if (!empty($conf->socialnetworks->enabled))
 		{
+			$outsocialnetwork = '';
+
 			if (is_array($this->socialnetworks) && count($this->socialnetworks) > 0) {
 				foreach ($this->socialnetworks as $key => $value) {
-					$out .= dol_print_socialnetworks($value, $this->id, $object->id, $key);
+					$outsocialnetwork .= dol_print_socialnetworks($value, $this->id, $object->id, $key);
 					$outdone++;
 				}
 			} else {
-				if ($this->skype) $out .= dol_print_socialnetworks($this->skype, $this->id, $object->id, 'skype');
+				if ($this->skype) $outsocialnetwork .= dol_print_socialnetworks($this->skype, $this->id, $object->id, 'skype');
 				$outdone++;
-				if ($this->jabberid) $out .= dol_print_socialnetworks($this->jabberid, $this->id, $object->id, 'jabber');
+				if ($this->jabberid) $outsocialnetwork .= dol_print_socialnetworks($this->jabberid, $this->id, $object->id, 'jabber');
 				$outdone++;
-				if ($this->twitter) $out .= dol_print_socialnetworks($this->twitter, $this->id, $object->id, 'twitter');
+				if ($this->twitter) $outsocialnetwork .= dol_print_socialnetworks($this->twitter, $this->id, $object->id, 'twitter');
 				$outdone++;
-				if ($this->facebook) $out .= dol_print_socialnetworks($this->facebook, $this->id, $object->id, 'facebook');
+				if ($this->facebook) $outsocialnetwork .= dol_print_socialnetworks($this->facebook, $this->id, $object->id, 'facebook');
 				$outdone++;
-				if ($this->linkedin) $out .= dol_print_socialnetworks($this->linkedin, $this->id, $object->id, 'linkedin');
+				if ($this->linkedin) $outsocialnetwork .= dol_print_socialnetworks($this->linkedin, $this->id, $object->id, 'linkedin');
 				$outdone++;
 			}
+
+			if ($outsocialnetwork) {
+				$out .= '<div style="clear: both;">'.$outsocialnetwork.'</div>';
+			}
 		}
-		$out .= '</div>';
 
-		$out .= '<!-- END Part to show address block -->';
-
-		return $out;
+		if ($out) return '<!-- BEGIN part to show address block -->'."\n".$out.'<!-- END Part to show address block -->'."\n";
+		else return '';
 	}
 
 	/**
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 6306162af34..1d275e0f512 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -1582,9 +1582,12 @@ function dol_banner_tab($object, $paramid, $morehtml = '', $shownav = 1, $fieldi
 
 	if (method_exists($object, 'getBannerAddress') && $object->element != 'product' && $object->element != 'bookmark' && $object->element != 'ecm_directories' && $object->element != 'ecm_files')
 	{
-		$morehtmlref .= '<div class="refidno">';
-		$morehtmlref .= $object->getBannerAddress('refaddress', $object);
-		$morehtmlref .= '</div>';
+		$moreaddress = $object->getBannerAddress('refaddress', $object);
+		if ($moreaddress) {
+			$morehtmlref .= '<div class="refidno">';
+			$morehtmlref .= $moreaddress;
+			$morehtmlref .= '</div>';
+		}
 	}
 	if (!empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && in_array($object->element, array('societe', 'contact', 'member', 'product')))
 	{
diff --git a/htdocs/mrp/class/mo.class.php b/htdocs/mrp/class/mo.class.php
index 1dced508aec..0536ee41b8d 100644
--- a/htdocs/mrp/class/mo.class.php
+++ b/htdocs/mrp/class/mo.class.php
@@ -172,7 +172,7 @@ class Mo extends CommonObject
 	/**
 	 * @var array	List of child tables. To test if we can delete object.
 	 */
-	protected $childtables=array('mrp_production');
+	protected $childtables=array();
 
 	/**
 	 * @var array	List of child tables. To know object to delete on cascade.
diff --git a/htdocs/mrp/mo_agenda.php b/htdocs/mrp/mo_agenda.php
index 5822ce0d170..669102487d5 100644
--- a/htdocs/mrp/mo_agenda.php
+++ b/htdocs/mrp/mo_agenda.php
@@ -136,8 +136,9 @@ if ($object->id > 0)
 	// ------------------------------------------------------------
 	$linkback = '<a href="'.dol_buildpath('/mrp/mo_list.php', 1).'?restore_lastsearch_values=1'.(!empty($socid) ? '&socid='.$socid : '').'">'.$langs->trans("BackToList").'</a>';
 
-	$morehtmlref = '<div class="refidno">';
+	$morehtmlref = '';
 	/*
+	$morehtmlref = '<div class="refidno">';
 	 // Ref customer
 	 $morehtmlref.=$form->editfieldkey("RefCustomer", 'ref_client', $object->ref_client, $object, 0, 'string', '', 0, 1);
 	 $morehtmlref.=$form->editfieldval("RefCustomer", 'ref_client', $object->ref_client, $object, 0, 'string', '', null, null, '', 1);
@@ -175,9 +176,9 @@ if ($object->id > 0)
 	 	$morehtmlref.='';
 	 	}
 	 	}
-	 	}*/
+	 	}
 	$morehtmlref .= '</div>';
-
+	*/
 
 	dol_banner_tab($object, 'ref', $linkback, 1, 'ref', 'ref', $morehtmlref);
 
diff --git a/htdocs/mrp/mo_note.php b/htdocs/mrp/mo_note.php
index 1a9fbe278a9..c177012a201 100644
--- a/htdocs/mrp/mo_note.php
+++ b/htdocs/mrp/mo_note.php
@@ -89,8 +89,9 @@ if ($id > 0 || ! empty($ref))
 	// ------------------------------------------------------------
 	$linkback = '<a href="' .dol_buildpath('/mrp/mo_list.php', 1) . '?restore_lastsearch_values=1' . (! empty($socid) ? '&socid=' . $socid : '') . '">' . $langs->trans("BackToList") . '</a>';
 
-	$morehtmlref='<div class="refidno">';
+	$morehtmlref = '';
 	/*
+	$morehtmlref='<div class="refidno">';
 	// Ref customer
 	$morehtmlref.=$form->editfieldkey("RefCustomer", 'ref_client', $object->ref_client, $object, 0, 'string', '', 0, 1);
 	$morehtmlref.=$form->editfieldval("RefCustomer", 'ref_client', $object->ref_client, $object, 0, 'string', '', null, null, '', 1);
@@ -128,9 +129,9 @@ if ($id > 0 || ! empty($ref))
 	            $morehtmlref.='';
 	        }
 	    }
-	}*/
+	}
 	$morehtmlref.='</div>';
-
+	*/
 
 	dol_banner_tab($object, 'ref', $linkback, 1, 'ref', 'ref', $morehtmlref);