diff --git a/usr/bin/archboot-update-installer.sh b/usr/bin/archboot-update-installer.sh
index c49f80b01..dbcfe3ccd 100755
--- a/usr/bin/archboot-update-installer.sh
+++ b/usr/bin/archboot-update-installer.sh
@@ -59,6 +59,10 @@ fi
 
 # Generate new environment and launch it with kexec
 if [[ "${L_COMPLETE}" == "1" || "${L_INSTALL_COMPLETE}" == "1" ]]; then
+    # reeove everything not necessary
+    rm -r /lib/firmware
+    rm -r /lib/modules
+    rm -r /usr/share
     # create container
     if [[ "${L_COMPLETE}" == "1" ]]; then
         archboot-create-container.sh "${W_DIR}" -cc -cp -alf || exit 1