diff --git a/product/pg/local/init_datadir.sh.m4 b/product/pg/local/init_datadir.sh.m4
index 6ea6e26..23e143b 100644
--- a/product/pg/local/init_datadir.sh.m4
+++ b/product/pg/local/init_datadir.sh.m4
@@ -7,7 +7,7 @@ echo "listen_addresses=''"
 echo "unix_socket_directories='__datadir'"
 echo "fsync=off"
 echo "full_page_writes=off"
-echo wal_level=replica
+# echo wal_level=replica
 echo max_wal_size=400MB
 echo max_wal_senders=16
 echo wal_keep_size=128MB
diff --git a/product/pg/local/replicate.sh.m4 b/product/pg/local/replicate.sh.m4
deleted file mode 100644
index 4bd30e2..0000000
--- a/product/pg/local/replicate.sh.m4
+++ /dev/null
@@ -1,37 +0,0 @@
-set -e
-master=$1
-
-$1/status || ( echo "Master {$1} environ is down?" ; exit 1 ) >&2
-
-rc=0
-__workdir/status &>/dev/null || rc=$?
-
-test $rc -gt 0 || ( echo 'Cannot setup replication when server is running {__workdir}' ; exit 1 ) >&2
-
-$1/backup -D __workdir/dt || ( echo "Backup of master failed {$?}" ; exit 1 ) >&2
-
-(
-echo "listen_addresses=''"
-echo "unix_socket_directories='__datadir'"
-echo "fsync=off"
-echo "full_page_writes=off"
-echo wal_level=replica
-echo max_wal_size=400MB
-echo max_wal_senders=16
-echo wal_keep_size=128MB
-) >> __datadir/postgresql.conf
-
-sed -i "s/`#'log_statement = 'none'/log_statement = 'all'/" __datadir/postgresql.conf
-
-# echo "primary_conninfo = 'host=$1/dt user = $USER'"
-
-# touch __datadir/standby.signal
-
-# remove master's log created by baclup
-test ! -f __datadir/.s.PGSQL.5432.lock || rm __datadir/.s.PGSQL.5432.lock
-# remove master's logs
-rm -r __datadir/log/*
-
-__workdir/start
-
-__workdir/status
diff --git a/product/pg/t/01-smoke-03-replication.sh b/product/pg/t/01-smoke-03-replication.sh
deleted file mode 100755
index b26f3a9..0000000
--- a/product/pg/t/01-smoke-03-replication.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!t/lib/test-in-image.sh postgresql-server
-set -euo pipefail
-pg1=$(environ pg1)
-pg2=$(environ pg2)
-
-$pg1/start
-$pg1/status
-
-# $pg2/start
-# $pg2/status
-
-$pg2/replicate $pg1
-
-$pg1/create_db test
-$pg1/sql_test "create table t1 as select 'x1'"
-
-test x1 == $($pg1/sql -tc "select * from t1" test)
-test x1 == $($pg2/sql -tc "select * from t1" test)
-
-
-echo PASS $0