diff --git a/ftp/libft/Makefile b/ftp/libft/Makefile
index ca318403..daa73493 100644
--- a/ftp/libft/Makefile
+++ b/ftp/libft/Makefile
@@ -144,7 +144,6 @@ printing/ft_putendl.c\
 printing/ft_putnbr.c\
 printing/ft_putstr.c\
 printing/hexdump.c\
-rs/rs.c\
 sstr/ft_sstradd.c\
 sstr/ft_sstrcat.c\
 sstr/ft_sstrdel.c\
diff --git a/ftp/libft/includes/libft.h b/ftp/libft/includes/libft.h
index 1b4b5402..5bf96e9f 100644
--- a/ftp/libft/includes/libft.h
+++ b/ftp/libft/includes/libft.h
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/07 13:49:04 by jhalford          #+#    #+#             */
-/*   Updated: 2017/10/07 18:07:31 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/11/20 12:41:50 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -26,7 +26,6 @@
 # include "error.h"
 # include "color.h"
 # include "cliopts.h"
-# include "rs.h"
 
 # include "lst.h"
 # include "dlst.h"
diff --git a/ftp/libft/includes/rs.h b/ftp/libft/includes/rs.h
deleted file mode 100644
index 279ba4e8..00000000
--- a/ftp/libft/includes/rs.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   rs.h                                               :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2017/10/07 18:05:30 by jhalford          #+#    #+#             */
-/*   Updated: 2017/10/07 18:18:16 by jhalford         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#ifndef LIBFT_RS_H
-# define LIBFT_RS_H
-
-# include <float.h>
-# include <dlfcn.h>
-# include <math.h>
-
-extern struct	s_stats {
-	int		count;
-	double	min;
-	double	max;
-	double	avg;
-	double	m;
-	double	stdev;
-	double	var;
-} g_rs;
-
-void			rs_clear();
-void			rs_push(double n);
-void			rs_calcmore();
-
-#endif
diff --git a/ftp/libft/srcs/rs/rs.c b/ftp/libft/srcs/rs/rs.c
deleted file mode 100644
index 7e83bdff..00000000
--- a/ftp/libft/srcs/rs/rs.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   rs.c                                               :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2017/10/07 17:57:54 by jhalford          #+#    #+#             */
-/*   Updated: 2017/10/07 18:19:47 by jhalford         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "libft.h"
-#include <math.h>
-
-struct s_stats g_rs = {0, 0, 0, 0, 0, 0, 0};
-
-double	sqrt(double x);
-
-void	rs_clear(void)
-{
-	g_rs.count = 0;
-	g_rs.min = DBL_MAX;
-	g_rs.max = -DBL_MAX;
-}
-
-void	rs_push(double n)
-{
-	double	delta;
-
-	g_rs.count++;
-	n < g_rs.min ? g_rs.min = n : (0);
-	n > g_rs.max ? g_rs.max = n : (0);
-	if (g_rs.count == 1)
-	{
-		g_rs.avg = n;
-		g_rs.m = 0;
-	}
-	else
-	{
-		delta = n - g_rs.avg;
-		g_rs.avg += delta / g_rs.count;
-		g_rs.m += delta * (n - g_rs.avg);
-	}
-}
-
-void	rs_calcmore(void)
-{
-	if (g_rs.count == 0)
-	{
-		g_rs.min = 0;
-		g_rs.max = 0;
-	}
-	if (g_rs.count < 2)
-	{
-		g_rs.var = 0;
-		g_rs.stdev = 0;
-		return ;
-	}
-	g_rs.var = g_rs.m / (g_rs.count - 1);
-	g_rs.stdev = sqrt(g_rs.var);
-}