diff --git a/src/main.cpp b/src/main.cpp
index 3a58724..a5caa25 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,4 @@
 #include <argparse/argparse.hpp>
-#include <cstdlib>
 #include <iostream>
 #include <my_fibonacci/sequence.hpp>