diff --git a/scripts/_common.sh b/scripts/_common.sh
index f73363b..974001f 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -204,15 +204,6 @@ check_proc_zabbixagent () {
 	fi
 }
 
-# Remove previous Zabbix installation
-#
-remove_previous_zabbix () {
-	#ynh_print_info --message="Previous Zabbix installation will be purged !"
-	apt-get purge zabbix* -y
-	#ynh_secure_remove --file="/var/cache/apt/archives/zabbix-server-mysql*"
-	ynh_print_info --message="Previous Zabbix installation purged!"
-}
-
 # Update Zabbix configuration initialisation
 #
 update_initZabbixConf () {
diff --git a/scripts/install b/scripts/install
index e6c8b80..a6f2c87 100644
--- a/scripts/install
+++ b/scripts/install
@@ -9,13 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
-#=================================================
-ynh_script_progression --message="Validating installation parameters..."
-
-remove_previous_zabbix
-
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index a6a87c4..4c7fc37 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -10,13 +10,6 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# CHECK IF THE APP CAN BE RESTORED
-#=================================================
-ynh_script_progression --message="Validating restoration parameters..."
-
-remove_previous_zabbix
-
 #=================================================
 # STANDARD RESTORATION STEPS
 #=================================================