diff --git a/packages/tools/installer/scripts/installer b/packages/tools/installer/scripts/installer
index 0ddf8c6475..8c029381be 100755
--- a/packages/tools/installer/scripts/installer
+++ b/packages/tools/installer/scripts/installer
@@ -70,7 +70,7 @@ get_device_unmount() {
   # provides: DEVICES
 
   DEVICES=""
-  DEVICES=$(parted -s -m -l | grep -E '^/dev/sd|^/dev/mmcblk|^/dev/nvme' | grep -E -v '.?rpmb|.?boot?' | cut -f1 -d ":")
+  DEVICES=$(parted -s -m -l 2>/dev/null | grep -E '^/dev/sd|^/dev/mmcblk|^/dev/nvme' | grep -E -v '.?rpmb|.?boot?' | cut -f1 -d ":")
 
   for i in $(cat /proc/mounts | grep -E '^/dev/sd' | cut -f1 -d " " | sed "s/[0-9].*$//"); do
     DEVICES=$(echo $DEVICES |sed -e "s|$i||")
@@ -495,26 +495,10 @@ do_install_custom() {
   esac
 }
 
-msg_not_implemented() {
-  # show a dialog that this function is not yet implemented
-  MSG_TITLE="\Z2[ WORK IN PROGRESS ]\Zn"
-  MSG_INFOBOX=" This function is not implemented yet."
-
-  dialog --colors --backtitle "$BACKTITLE" --title "$MSG_TITLE" --msgbox "$MSG_INFOBOX" 7 70
-}
-
-msg_oem_only() {
-  # show a dialog that this function is only implemented on special builds
-  MSG_TITLE="\Z2[ FOR OEM ONLY ]\Zn"
-  MSG_INFOBOX=" OEM only feature, this function is not implemented in this build. \n if you have questions about this feature \n visit http://www.openelec.tv"
-
-  dialog --colors --backtitle "$BACKTITLE" --title "$MSG_TITLE" --msgbox "$MSG_INFOBOX" 7 70
-}
-
 msg_no_device() {
   # show a warning dialog if we dont find not mounted devices for install and return to main menu
   MSG_TITLE="\Z1[ WARNING ]\Zn"
-  MSG_INFOBOX=" No devices were found. \n If you are trying to install on a brand new harddisk you must \n create atleast one partition. \n Otherwise it won't be found. \n If you dont know how, ask in the forum or on IRC."
+  MSG_INFOBOX=" No devices were found. "
 
   dialog --colors --backtitle "$BACKTITLE" --title "$MSG_TITLE" --msgbox "$MSG_INFOBOX" 9 70