diff --git a/includes/sign.hpp b/includes/sign.hpp
deleted file mode 100644
index b65b183..0000000
--- a/includes/sign.hpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef _MATH_HELP
-#define _MATH_HELP
-int signum(int num) {
-	int retval = 0;
-	(num > 0) ? retval = 1 : retval = -1;
-	return retval;
-}
-#endif