Deuteronomy 27:17

'Cursed is he who removes his neighbor's landmark.' All the people shall say, 'Amen.'

Deuteronomy 19:14

You shall not remove your neighbor's landmark, which they of old time have set, in your inheritance which you shall inherit, in the land that Yahweh your God gives you to possess it.

Proverbs 22:28

Don't move the ancient boundary stone, which your fathers have set up.

Proverbs 23:10-11

Don't move the ancient boundary stone. Don't encroach on the fields of the fatherless:

Treasury of Scripture Knowledge

Summary

Cursed be he that removeth his neighbour's landmark. And all the people shall say, Amen.

Bible References

General references

Deuteronomy 19:14
You shall not remove your neighbor's landmark, which they of old time have set, in your inheritance which you shall inherit, in the land that Yahweh your God gives you to possess it.
Proverbs 22:28
Don't move the ancient boundary stone, which your fathers have set up.
Proverbs 23:10
Don't move the ancient boundary stone. Don't encroach on the fields of the fatherless: