diff --git a/CRM/Activity/Import/Parser/Activity.php b/CRM/Activity/Import/Parser/Activity.php
index 106b32ff78d6..2b72aefb00b2 100644
--- a/CRM/Activity/Import/Parser/Activity.php
+++ b/CRM/Activity/Import/Parser/Activity.php
@@ -163,9 +163,6 @@ public function import($onDuplicate, &$values) {
     // For date-Formats.
     $session = CRM_Core_Session::singleton();
     $dateType = $session->get('dateTypes');
-    if (!isset($params['source_contact_id'])) {
-      $params['source_contact_id'] = $session->get('userID');
-    }
 
     $customFields = CRM_Core_BAO_CustomField::getFields('Activity');