diff --git a/usr/src/test/zfs-tests/include/libtest.shlib b/usr/src/test/zfs-tests/include/libtest.shlib
index 4c97362b71b4..3a3c1c466d1c 100644
--- a/usr/src/test/zfs-tests/include/libtest.shlib
+++ b/usr/src/test/zfs-tests/include/libtest.shlib
@@ -28,9 +28,6 @@
 
 . ${STF_TOOLS}/contrib/include/logapi.shlib
 
-ZFS=${ZFS:-/usr/sbin/zfs}
-ZPOOL=${ZPOOL:-/usr/sbin/zpool}
-
 # Determine whether a dataset is mounted
 #
 # $1 dataset name
@@ -263,7 +260,7 @@ function create_bookmark
 	snapexists $fs_vol@$snap || \
 		log_fail "$fs_vol@$snap must exist."
 
-	log_must $ZFS bookmark $fs_vol@$snap $fs_vol#$bkmark
+	log_must zfs bookmark $fs_vol@$snap $fs_vol#$bkmark
 }
 
 function default_mirror_setup
@@ -558,7 +555,7 @@ function destroy_bookmark
 		log_fail "'$bkmarkp' does not existed."
 	fi
 
-	log_must $ZFS destroy $bkmark
+	log_must zfs destroy $bkmark
 }
 
 # Return 0 if a snapshot exists; $? otherwise
@@ -578,7 +575,7 @@ function snapexists
 #
 function bkmarkexists
 {
-	$ZFS list -H -t bookmark "$1" > /dev/null 2>&1
+	zfs list -H -t bookmark "$1" > /dev/null 2>&1
 	return $?
 }
 
@@ -1585,136 +1582,6 @@ function cleanup_devices #vdevs
 	return 0
 }
 
-#
-# Verify the rsh connectivity to each remote host in RHOSTS.
-#
-# Return 0 if remote host is accessible; otherwise 1.
-# $1 remote host name
-# $2 username
-#
-function verify_rsh_connect #rhost, username
-{
-	typeset rhost=$1
-	typeset username=$2
-	typeset rsh_cmd="rsh -n"
-	typeset cur_user=
-
-	getent hosts $rhost >/dev/null 2>&1
-	if (($? != 0)); then
-		log_note "$rhost cannot be found from" \
-			"administrative database."
-		return 1
-	fi
-
-	ping $rhost 3 >/dev/null 2>&1
-	if (($? != 0)); then
-		log_note "$rhost is not reachable."
-		return 1
-	fi
-
-	if ((${#username} != 0)); then
-		rsh_cmd="$rsh_cmd -l $username"
-		cur_user="given user \"$username\""
-	else
-		cur_user="current user \"`logname`\""
-	fi
-
-	 if ! $rsh_cmd $rhost true; then
-		log_note "rsh to $rhost is not accessible" \
-			"with $cur_user."
-		return 1
-	fi
-
-	return 0
-}
-
-#
-# Verify the remote host connection via rsh after rebooting
-# $1 remote host
-#
-function verify_remote
-{
-	rhost=$1
-
-	#
-	# The following loop waits for the remote system rebooting.
-	# Each iteration will wait for 150 seconds. there are
-	# total 5 iterations, so the total timeout value will
-	# be 12.5  minutes for the system rebooting. This number
-	# is an approxiate number.
-	#
-	typeset -i count=0
-	while ! verify_rsh_connect $rhost; do
-		sleep 150
-		((count = count + 1))
-		if ((count > 5)); then
-			return 1
-		fi
-	done
-	return 0
-}
-
-#
-# Replacement function for /usr/bin/rsh. This function will include
-# the /usr/bin/rsh and meanwhile return the execution status of the
-# last command.
-#
-# $1 usrname passing down to -l option of /usr/bin/rsh
-# $2 remote machine hostname
-# $3... command string
-#
-
-function rsh_status
-{
-	typeset ruser=$1
-	typeset rhost=$2
-	typeset -i ret=0
-	typeset cmd_str=""
-	typeset rsh_str=""
-
-	shift; shift
-	cmd_str="$@"
-
-	err_file=/tmp/${rhost}.$$.err
-	if ((${#ruser} == 0)); then
-		rsh_str="rsh -n"
-	else
-		rsh_str="rsh -n -l $ruser"
-	fi
-
-	$rsh_str $rhost /usr/bin/ksh -c "'$cmd_str; \
-		print -u 2 \"status=\$?\"'" \
-		>/dev/null 2>$err_file
-	ret=$?
-	if (($ret != 0)); then
-		cat $err_file
-		rm -f $std_file $err_file
-		log_fail  "rsh itself failed with exit code $ret..."
-	fi
-
-	 ret=$(grep -v 'print -u 2' $err_file | grep 'status=' | \
-		cut -d= -f2)
-	(($ret != 0)) && cat $err_file >&2
-
-	rm -f $err_file >/dev/null 2>&1
-	return $ret
-}
-
-#
-# Get the SUNWstc-fs-zfs package installation path in a remote host
-# $1 remote host name
-#
-function get_remote_pkgpath
-{
-	typeset rhost=$1
-	typeset pkgpath=""
-
-	pkgpath=$(rsh -n $rhost "pkginfo -l SUNWstc-fs-zfs | grep BASEDIR: |\
-			cut -d: -f2")
-
-	echo $pkgpath
-}
-
 #/**
 # A function to find and locate free disks on a system or from given
 # disks as the parameter. It works by locating disks that are in use
diff --git a/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_001_pos.ksh b/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_001_pos.ksh
index d12b1dc9a584..45f44be179d2 100644
--- a/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_001_pos.ksh
+++ b/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_001_pos.ksh
@@ -142,11 +142,11 @@ i=0
 while ((i < ${#bookmark[@]})); do
 	for opt in "${options[@]}"; do
 		for prop in ${bookmark_props[@]}; do
-			eval "$ZFS get $opt $prop ${bookmark[i]} > \
+			eval "zfs get $opt $prop ${bookmark[i]} > \
 			    $TESTDIR/$TESTFILE0"
 			ret=$?
 			if [[ $ret != 0 ]]; then
-				log_fail "$ZFS get returned: $ret"
+				log_fail "zfs get returned: $ret"
 			fi
 			check_return_value ${bookmark[i]} "$prop" "$opt"
 		done
diff --git a/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_005_neg.ksh b/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_005_neg.ksh
index 0d70fba54e32..0341d4dc2d96 100644
--- a/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_005_neg.ksh
+++ b/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_005_neg.ksh
@@ -112,10 +112,10 @@ function test_options_bookmarks
 	for dst in ${bookmark[@]}; do
 		for opt in $opts; do
 			for prop in $props; do
-				$ZFS get $opt -- $prop $dst > /dev/null 2>&1
+				zfs get $opt -- $prop $dst > /dev/null 2>&1
 				ret=$?
 				if [[ $ret == 0 ]]; then
-					log_fail "$ZFS get $opt -- $prop " \
+					log_fail "zfs get $opt -- $prop " \
 					    "$dst unexpectedly succeeded."
 				fi
 			done
diff --git a/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_008_pos.ksh b/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_008_pos.ksh
index b81a974370c6..800d7ac5bdbc 100644
--- a/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_008_pos.ksh
+++ b/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_008_pos.ksh
@@ -103,7 +103,7 @@ for dst in ${bookmark[@]}; do
 	while (( i < opt_numb )); do
 		(( item = $RANDOM % ${#options[@]} ))
 		(( depth_item = $RANDOM % ${#depth_options[@]} ))
-		log_must eval "$ZFS get -${depth_options[depth_item]} ${options[item]} $bookmark_props $dst > /dev/null 2>&1"
+		log_must eval "zfs get -${depth_options[depth_item]} ${options[item]} $bookmark_props $dst > /dev/null 2>&1"
 		(( i += 1 ))
 	done
 done
diff --git a/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib b/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
index f08ae1abdd54..15921201c7b4 100644
--- a/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
+++ b/usr/src/test/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
@@ -122,7 +122,7 @@ function setup_snap_env
 				# before taking a snapshot.
 				#
 				if [[ $dtst == $VOL ]]; then
-					log_must /usr/sbin/lockfs -f $TESTDIR1
+					log_must lockfs -f $TESTDIR1
 				fi
 				log_must zfs snapshot $snap
 			fi
diff --git a/usr/src/test/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib b/usr/src/test/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib
index 4957b8ea92aa..485e591dc0ab 100644
--- a/usr/src/test/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib
+++ b/usr/src/test/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib
@@ -57,11 +57,11 @@ do
         (( i = i + 1 ))
 done
 
-\sleep 1
+sleep 1
 
 for pid in \$PIDS
 do
-	\wait \$pid
+	wait \$pid
         (( \$? == 127 )) && exit 1
 done
 exit 0