diff --git a/htdocs/contact/card.php b/htdocs/contact/card.php
index 3e7f5fdb1f1..66cdc1ed1aa 100644
--- a/htdocs/contact/card.php
+++ b/htdocs/contact/card.php
@@ -322,9 +322,6 @@ if (empty($reshook)) {
 		$result = $object->fetch($id);
 		$object->oldcopy = clone $object;
 
-		$object->old_lastname = (string) GETPOST("old_lastname", 'alpha');
-		$object->old_firstname = (string) GETPOST("old_firstname", 'alpha');
-
 		$result = $object->delete(); // TODO Add $user as first param
 		if ($result > 0) {
 			setEventMessages("RecordDeleted", null, 'mesgs');
@@ -408,9 +405,6 @@ if (empty($reshook)) {
 
 			$object->oldcopy = clone $object;
 
-			$object->old_lastname = (string) GETPOST("old_lastname", 'alpha');
-			$object->old_firstname = (string) GETPOST("old_firstname", 'alpha');
-
 			$object->socid = GETPOST("socid", 'int');
 			$object->lastname = (string) GETPOST("lastname", 'alpha');
 			$object->firstname = (string) GETPOST("firstname", 'alpha');
@@ -972,7 +966,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 								/* set country at end because it will trigger page refresh */
 								console.log("Set country id to '.dol_escape_js($objsoc->country_id).'");
 								$(\'select[name="country_id"]\').val("'.dol_escape_js($objsoc->country_id).'").trigger("change");   /* trigger required to update select2 components */
-            				});
+							});
 						})'."\n";
 				print '</script>'."\n";
 			}
@@ -982,8 +976,6 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 			print '<input type="hidden" name="id" value="'.$id.'">';
 			print '<input type="hidden" name="action" value="update">';
 			print '<input type="hidden" name="contactid" value="'.$object->id.'">';
-			print '<input type="hidden" name="old_lastname" value="'.$object->lastname.'">';
-			print '<input type="hidden" name="old_firstname" value="'.$object->firstname.'">';
 			if (!empty($backtopage)) {
 				print '<input type="hidden" name="backtopage" value="'.$backtopage.'">';
 			}
@@ -1033,7 +1025,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 			print '<div class="paddingrightonly valignmiddle inline-block quatrevingtpercent">';
 			print '<textarea class="flat minwidth200 centpercent" name="address" id="address">'.(GETPOSTISSET("address") ? GETPOST("address", 'alphanohtml') : $object->address).'</textarea>';
 			print '</div><div class="paddingrightonly valignmiddle inline-block">';
-			if ($conf->use_javascript_ajax) {
+			if (!empty($conf->use_javascript_ajax)) {
 				print '<a href="#" id="copyaddressfromsoc">'.$langs->trans('CopyAddressFromSoc').'</a><br>';
 			}
 			print '</div>';
@@ -1636,7 +1628,7 @@ function showSocialNetwork()
 			items.show();
 			lnk.text("'.dol_escape_js($langs->transnoentitiesnoconv("HideSocialNetwork")).'");
 			if(chgCookieState) {document.cookie = "DOLUSER_SOCIALNETWORKS_SHOW=true; SameSite=Strict";}
-		}				
+		}
 	}
 	</script>';
 }