diff --git a/oam/install_scripts/post-install b/oam/install_scripts/post-install
index 11727b39a..3e2aec4dc 100755
--- a/oam/install_scripts/post-install
+++ b/oam/install_scripts/post-install
@@ -261,11 +261,8 @@ if [ $user = "root" ]; then
 	    cat $tmpDir/syslog_install.log
 	fi
 else
-	sed -i -e s@/usr/local/mariadb/columnstore@$installdir@g $installdir/bin/columnstore.def
 	sed -i -e s@/usr/local/mariadb/columnstore@$installdir@g $installdir/bin/columnstoreLogRotate
 
-	cp $installdir/bin/columnstore.def /etc/default/columnstore
-
 	sed -i -e s@prefix=/home/guest@prefix=$prefix@g $installdir/bin/*
 
 	chown $user:$user $installdir/etc/Columnstore.xml