diff --git a/hrms/overrides/employee_master.py b/hrms/overrides/employee_master.py
index 60c6533c43..103eee27b2 100644
--- a/hrms/overrides/employee_master.py
+++ b/hrms/overrides/employee_master.py
@@ -130,16 +130,27 @@ def get_timeline_data(doctype: str, name: str) -> dict:
 	open_count = get_open_count(doctype, name)
 	out["count"] = open_count["count"]
 
+	from frappe.query_builder import Interval
+	from frappe.query_builder.functions import Count, CurDate
+	from frappe.query_builder.terms import Function
+
+	Attendance = frappe.qb.DocType("Attendance")
+
 	timeline_data = dict(
-		frappe.db.sql(
-			"""
-			select unix_timestamp(attendance_date), count(*)
-			from `tabAttendance` where employee=%s
-			and attendance_date > date_sub(curdate(), interval 1 year)
-			and status in ('Present', 'Half Day')
-			group by attendance_date""",
-			name,
-		)
+		(
+			frappe.qb.from_(Attendance)
+			.select(
+				Function("unix_timestamp", Attendance.attendance_date),
+				Count("*"),
+			)
+			.where(
+				(Attendance.employee == name)
+				& (Attendance.docstatus == 1)
+				& (Attendance.attendance_date > (CurDate() - Interval(years=1)))
+				& (Attendance.status.isin(["Present", "Half Day"]))
+			)
+			.groupby(Attendance.attendance_date)
+		).run()
 	)
 
 	out["timeline_data"] = timeline_data
diff --git a/hrms/public/js/erpnext/department.js b/hrms/public/js/erpnext/department.js
index 92184dece1..825f75fb6b 100644
--- a/hrms/public/js/erpnext/department.js
+++ b/hrms/public/js/erpnext/department.js
@@ -11,5 +11,15 @@ frappe.ui.form.on("Department", {
 				},
 			};
 		});
+
+		["leave_approvers", "expense_approvers", "shift_request_approver"].forEach((table) => {
+			frm.set_query("approver", table, function () {
+				return {
+					filters: {
+						user_type: "System User",
+					},
+				};
+			});
+		});
 	},
 });