diff --git a/kernel/fstdata.cc b/kernel/fstdata.cc
index c5f2bd2c1..f0f00181c 100644
--- a/kernel/fstdata.cc
+++ b/kernel/fstdata.cc
@@ -19,8 +19,6 @@
 
 #include "kernel/fstdata.h"
 
-#include <stdlib.h>
-
 USING_YOSYS_NAMESPACE