diff --git a/.gitignore b/.gitignore
index c2c3ff8230fded337e57c2e07fe5c95955ff2bd0..754c64014bfd5fd7dd082b559e97af7949ed60ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ check_smart.pl
 paramtest
 check_snmp_syno.sh
 check_snmp_synology
+check-cpu.sh
\ No newline at end of file
diff --git a/check-cpu.sh b/check-cpu.sh
deleted file mode 100755
index d625f36b1e847b2a205727565ddcb829dd3b1fb4..0000000000000000000000000000000000000000
--- a/check-cpu.sh
+++ /dev/null
@@ -1,84 +0,0 @@
-#!/bin/bash
-#
-# Check CPU usage
-#
-# ===
-#
-# Examples:
-#
-#   check-cpu.sh -w 85 -c 95
-#
-# Date: 2014-09-12
-# Author: Jun Ichikawa <jun1ka0@gmail.com>
-#
-# Released under the same terms as Sensu (the MIT license); see LICENSE
-# for details.
-
-# get arguments
-while getopts ':w:c:h' OPT; do
-  case $OPT in
-    w)  WARN=$OPTARG;;
-    c)  CRIT=$OPTARG;;
-    h)  hlp="yes";;
-    *)  unknown="yes";;
-  esac
-done
-
-PROC_PATH=${PROC_PATH:-'/proc'}
-
-# usage
-HELP="
-    usage: $0 [ -w value -c value -p -h ]
-
-        -w --> Warning percentage < value
-        -c --> Critical percentage < value
-        -h --> print this help screen
-"
-
-if [ "$hlp" = "yes" ]; then
-  echo "$HELP"
-  exit 0
-fi
-
-cpuusage1=(`cat /proc/stat | head -1`)
-if [ ${#cpuusage1} -eq 0 ]; then
-  echo "CRITICAL - CPU UNKNOWN"
-  exit 2
-fi
-sleep 1
-cpuusage2=(`cat $PROC_PATH/stat | head -1`)
-if [ ${#cpuusage2} -eq 0 ]; then
-  echo "CRITICAL - CPU UNKNOWN"
-  exit 2
-fi
-
-WARN=${WARN:=90}
-CRIT=${CRIT:=95}
-
-cpu_diff=(0)
-total=0
-usage_diff=0
-for i in `seq 1 9`
-do
-  cpu_diff=("${cpu_diff[@]}" `echo "${cpuusage2[$i]}-${cpuusage1[$i]}" | bc`)
-  total=`echo "$total+${cpu_diff[$i]}" | bc`
-  if [ $i -ne "4" ]; then
-    usage_diff=`echo "$usage_diff+${cpu_diff[$i]}" | bc`
-  else
-    idl=$cpu_diff[$i]
-  fi
-done
-cpu_usage=`echo "scale=2; 100*$usage_diff/$total" | bc`
-
-if [ "$(echo "${cpu_usage} > ${CRIT}" | bc)" -eq 1 ]; then
-  echo "CPU CRITICAL - ${cpu_usage}% is greater than critical point.[${CRIT}]"
-  exit 2
-fi
-
-if [ "$(echo "${cpu_usage} > ${WARN}" | bc)" -eq 1 ]; then
-  echo "CPU WARNING - ${cpu_usage}% is greater than warning point.[${WARN}]"
-  exit 1
-fi
-
-echo "CPU OK - Usage:${cpu_usage}"
-exit 0