diff --git a/frappe/core/doctype/doctype/doctype.py b/frappe/core/doctype/doctype/doctype.py
index 7ffb3c6d66..1f55cd9f35 100644
--- a/frappe/core/doctype/doctype/doctype.py
+++ b/frappe/core/doctype/doctype/doctype.py
@@ -1650,8 +1650,6 @@ def validate_fields(meta: Meta):
 			d.permlevel = 0
 		if d.fieldtype not in table_fields:
 			d.allow_bulk_edit = 0
-		if not d.fieldname:
-			d.fieldname = d.fieldname.lower().strip("?")
 
 		check_illegal_characters(d.fieldname)
 		check_invalid_fieldnames(meta.get("name"), d.fieldname)