diff --git a/pwnlib/tubes/process.cpp b/pwnlib/tubes/process.cpp
index 2a99c08..e7ef6b2 100644
--- a/pwnlib/tubes/process.cpp
+++ b/pwnlib/tubes/process.cpp
@@ -1,4 +1,3 @@
-#include <stdlib.h>
 #include <iostream>
 
 #include "process.hpp"