diff --git a/src/userprog/process.c b/src/userprog/process.c
index 810b449..aaac9ee 100644
--- a/src/userprog/process.c
+++ b/src/userprog/process.c
@@ -2,7 +2,6 @@
 #include <debug.h>
 #include <inttypes.h>
 #include <round.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>