diff --git a/clibrary.c b/clibrary.c
index 2603ad5..6122ce8 100644
--- a/clibrary.c
+++ b/clibrary.c
@@ -1,5 +1,3 @@
-#include <math.h>
-
 #include "picoc.h"
 
 struct OutputStream CStdOut;