diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Task.php b/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
index f01e04351..10bb88b1b 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
@@ -1894,6 +1894,11 @@ class Task
         }
     }
 
+    /**
+     * This method verify if an activity has cases
+     * @param $data
+     * @return \stdclass
+     */
     public function hasPendingCases($data)
     {
         $paused = false;
diff --git a/workflow/engine/src/ProcessMaker/Project/Bpmn.php b/workflow/engine/src/ProcessMaker/Project/Bpmn.php
index e64ba6fe5..a6a3c9e71 100644
--- a/workflow/engine/src/ProcessMaker/Project/Bpmn.php
+++ b/workflow/engine/src/ProcessMaker/Project/Bpmn.php
@@ -31,7 +31,8 @@ use \BpmnLanePeer as LanePeer;
 use \BasePeer;
 use \Criteria as Criteria;
 use \ResultSet as ResultSet;
-
+use \BpmnFlow;
+use \G;
 use ProcessMaker\Util\Common;
 use ProcessMaker\Exception;
 
@@ -430,10 +431,10 @@ class Bpmn extends Handler
             $activity = ActivityPeer::retrieveByPK($actUid);
             if (isset($activity)) {
                 $activity->delete();
-                \BpmnFlow::removeAllRelated($actUid);
+                BpmnFlow::removeAllRelated($actUid);
 
             } else {
-                throw new \Exception(\G::LoadTranslation("ID_ACTIVITY_DOES_NOT_EXIST", array("act_uid", $actUid)));
+                throw new \Exception(G::LoadTranslation("ID_ACTIVITY_DOES_NOT_EXIST", array("act_uid", $actUid)));
             }
             self::log("Remove Activity Success!");
         } catch (\Exception $e) {
diff --git a/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php b/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
index 70309793c..43e7631a9 100644
--- a/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
+++ b/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
@@ -139,8 +139,6 @@ class Activity extends Api
      * This method remove an activity and all related components
      * @param string $prj_uid {@min 32} {@max 32}
      * @param string $act_uid {@min 32} {@max 32}
-     * @author Brayan Pereyra (Cochalo) <brayan@colosa.com>
-     * @copyright Colosa - Bolivia
      * @return array
      * @access protected
      * @class  AccessControl {@permission PM_FACTORY}
@@ -154,7 +152,7 @@ class Activity extends Api
             $task->setArrayParamException(array("taskUid" => "act_uid"));
 
             $response = $task->hasPendingCases(array("act_uid" => $act_uid, "case_type" => "assigned"));
-            if ($response->result != false) {
+            if ($response->result !== false) {
                 $project = new \ProcessMaker\Project\Adapter\BpmnWorkflow();
                 $prj = $project->load($prj_uid);
                 $prj->removeActivity($act_uid);