yaourt -S localepurge

sudo nano /etc/locale.nopurge

####################################################
# This is the configuration file for localepurge(8).
####################################################
# Comment this to enable localepurge.
# NO COMMENT IT IF YOU ARE NOT SURE WHAT ARE YOU DOING
# THIS APP DO NOT ASK FOR CONFIRMATION

#NEEDSCONFIGFIRST

####################################################
# Uncommenting this string enables removal of localized
# man pages based on the configuration information for
# locale files defined below:

MANDELETE

####################################################
# Uncommenting this string causes localepurge to simply delete
# locales which have newly appeared on the system without
# bothering you about it:

DONTBOTHERNEWLOCALE

#####################################################
# Commenting out this string enables faster but less
# accurate calculation of freed disk space:

#QUICKNDIRTYCALC

####################################################
# Uncommenting this string enables display of freed disk
# space if localepurge has purged any superfluous data:

SHOWFREEDSPACE

#####################################################
# Commenting out this string disables verbose output:

#VERBOSE

#####################################################
# You like Colors?

#NOCOLOR

#####################################################
# You can use the -v -d -nc options in command line.

#####################################################
# Following locales won't be deleted from this system
# for example:
C
en
en_US
en_US.UTF-8
fr
fr_FR
fr_FR.UTF-8

sudo localepurge

sudo localepurge
localepurge: Disk space freed in /usr/share/locale: 542220 KiB
localepurge: Disk space freed in /usr/share/man: 2108 KiB
localepurge: Disk space freed in /usr/share/gnome/help: 3224 KiB
localepurge: Disk space freed in /usr/share/omf: 72 KiB

Total disk space freed by localepurge: 547624 KiB