diff --git a/thirdparty/sdd.h b/thirdparty/sdd.h
index b71d5ec..bd19b1c 100644
--- a/thirdparty/sdd.h
+++ b/thirdparty/sdd.h
@@ -1,6 +1,5 @@
 #pragma once
 #include <stdarg.h>
-#include <stdbool.h>
 #include <stddef.h>
 
 #ifdef __GNUC__