diff --git a/src/userprog/process.h b/src/userprog/process.h
index 8b7fd49..143b256 100644
--- a/src/userprog/process.h
+++ b/src/userprog/process.h
@@ -4,6 +4,8 @@
 #include <list.h>
 #include "threads/thread.h"
 #include "threads/synch.h"
+#include "filesys/file.h"
+#include "filesys/filesys.h"
 
 typedef int pid_t;
 
diff --git a/src/userprog/syscall.c b/src/userprog/syscall.c
index cdadb2b..9d07b77 100644
--- a/src/userprog/syscall.c
+++ b/src/userprog/syscall.c
@@ -12,8 +12,6 @@
 #include "userprog/process.h"
 #include "devices/shutdown.h"
 #include "devices/input.h"
-#include "filesys/filesys.h"
-#include "filesys/file.h"
 
 #define USER_ASSERT(CONDITION) \
     if (CONDITION)             \