diff --git a/erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py b/erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py
index 99a9d0d..0520b86 100644
--- a/erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py
+++ b/erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py
@@ -20,14 +20,16 @@
 
 def validate_leave_allocation_against_leave_application(ledger):
 	''' Checks that leave allocation has no leave application against it '''
-	leave_application_records = frappe.get_all("Leave Ledger Entry",
-		filters={
-			'employee': ledger.employee,
-			'leave_type': ledger.leave_type,
-			'transaction_type': 'Leave Application',
-			'from_date': (">=", ledger.from_date),
-			'to_date': ('<=', ledger.to_date)
-		}, fields=['transaction_name'])
+	leave_application_records = frappe.db.sql_list("""
+		SELECT transaction_name
+		FROM `tabLeave Application`
+		WHERE
+			employee=%s,
+			leave_type=%s,
+			transaction_type='Leave Application',
+			from_date>=%s,
+			to_date<=%s
+	""", (ledger.employee, ledger.leave_type, ledger.from_date, ledger.to_date))
 
 	if leave_application_records:
 		frappe.throw(_("Leave allocation %s is linked with leave application %s"
diff --git a/erpnext/hr/doctype/leave_type/leave_type.py b/erpnext/hr/doctype/leave_type/leave_type.py
index cbc6781..75336e0 100644
--- a/erpnext/hr/doctype/leave_type/leave_type.py
+++ b/erpnext/hr/doctype/leave_type/leave_type.py
@@ -12,6 +12,6 @@
 class LeaveType(Document):
 	def validate(self):
 		if self.is_lwp:
-			leave_allocation = frappe.get_doc("Leave Allocation", {"leave_type": self.name}, ['name'])
+			leave_allocation = frappe.db.sql_list("""select name from `tabLeave Allocation` where leave_type=%s""", (self.name))
 			if leave_allocation:
 				frappe.throw(_("""Leave application is linked with leave allocations {0}. Leave application cannot be set as leave without pay""").format(", ".join(leave_allocation))) #nosec
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