diff --git a/installation/resource/installer/bin/upgrade.sh b/installation/resource/installer/bin/upgrade.sh
index 797e98a31daec9f5e51cc94e4017dc944577de09..b0626450bade60ed01c962ad359defb8f666f5bc 100755
--- a/installation/resource/installer/bin/upgrade.sh
+++ b/installation/resource/installer/bin/upgrade.sh
@@ -79,8 +79,6 @@ source $BASE/common-functions.sh
 
 ROOT_DIR=$BASE/../servers
 
-$BASE/alldown.sh
-
 installer_tarball=""
 for installer_tarball in $ROOT_DIR/*.tar.gz; do
   : # only use the loop to assign the correct value of the installer_tarball