--- a/src/parallel_execution/TaskManagerImpl.cbc	Wed Dec 20 17:54:15 2017 +0900
+++ b/src/parallel_execution/TaskManagerImpl.cbc	Wed Dec 20 22:05:08 2017 +0900
@@ -1,8 +1,8 @@
 #include "../context.h"
-#include "./TaskManager.h"
-#include "./Iterator.h"
-#include "./Queue.h"
-#include "./Worker.h"
+#include "TaskManager.h"
+#include "Iterator.h"
+#include "Queue.h"
+#include "Worker.h"
 
 #include <stdio.h>
 #include <unistd.h>
@@ -201,21 +201,9 @@
     goto meta(context, next);
 }
 
-__code shutdownTaskManagerImpl_stub(struct Context* context) {
-    TaskManagerImpl* taskManagerImpl = (TaskManagerImpl*)GearImpl(context, TaskManager, taskManager);
-    goto shutdownTaskManagerImpl(context,
-                                 taskManagerImpl,
-                                 Gearef(context, TaskManager)->next);
-}
-
-__code shutdownTaskManagerImpl1(TaskManagerImpl* taskManager) {
+__code shutdownTaskManagerImpl1(struct TaskManagerImpl* taskManager) {
     int i = taskManager->loopCounter->i;
     pthread_join(taskManager->workers[i]->thread, NULL);
     taskManager->loopCounter->i++;
     goto meta(context, C_shutdownTaskManagerImpl);
 }
-
-__code shutdownTaskManagerImpl1_stub(struct Context* context) {
-    TaskManagerImpl* taskManagerImpl = (TaskManagerImpl*)GearImpl(context, TaskManager, taskManager);
-    goto shutdownTaskManagerImpl1(context, taskManagerImpl);
-}