diff --git a/frontend/src/lib/components/admin/EditBookingModal.svelte b/frontend/src/lib/components/admin/EditBookingModal.svelte
index 89b832b..a2ef0e6 100644
--- a/frontend/src/lib/components/admin/EditBookingModal.svelte
+++ b/frontend/src/lib/components/admin/EditBookingModal.svelte
@@ -11,7 +11,7 @@
 	import { Input } from '$lib/components/ui/input';
 	import { Textarea } from '$lib/components/ui/textarea';
 	import CharCounter from '$lib/components/ui/CharCounter.svelte';
-	import type { Booking, BookingService, Service } from '$lib/types/booking';
+	import type { Booking, BookingService, Payment, Service } from '$lib/types/booking';
 
 	interface Props {
 		open: boolean;
@@ -112,7 +112,7 @@
 						override_price: s.override_price,
 						override_duration_minutes: s.override_duration_minutes
 					})),
-					payments: (data.payments || []).map((p: any) => ({
+					payments: (data.payments || []).map((p: Payment) => ({
 						id: p.id,
 						booking_id: p.booking_id,
 						payment_type: p.payment_type,
diff --git a/frontend/src/lib/components/admin/HolidayHours.svelte b/frontend/src/lib/components/admin/HolidayHours.svelte
index c28527e..51b5397 100644
--- a/frontend/src/lib/components/admin/HolidayHours.svelte
+++ b/frontend/src/lib/components/admin/HolidayHours.svelte
@@ -151,13 +151,13 @@
 				if (data === null || data.length === 0) {
 					return;
 				}
-				exceptionGroups = data.map((group: any) => ({
+				exceptionGroups = data.map((group: ExceptionGroup) => ({
 					id: group.id,
 					name: group.name,
 					description: group.description,
 					weekStarts: group.weekStarts || [],
 					hours:
-						group.hours?.map((h: any) => ({
+						group.hours?.map((h: { id: number; weekday: number; startTime: string; endTime: string; isOpen: boolean }) => ({
 							id: h.id,
 							weekday: h.weekday,
 							start_time: formatTime(h.startTime),
diff --git a/frontend/src/lib/components/admin/WalkInCreateModal.svelte b/frontend/src/lib/components/admin/WalkInCreateModal.svelte
index 8c58de6..55fed15 100644
--- a/frontend/src/lib/components/admin/WalkInCreateModal.svelte
+++ b/frontend/src/lib/components/admin/WalkInCreateModal.svelte
@@ -363,7 +363,7 @@
 			if (response.ok) {
 				const data = await response.json();
 				const list = data.services || data;
-				customServices = list.map((cs: any) => ({ ...cs, is_custom: true }));
+				customServices = list.map((cs: CustomService) => ({ ...cs, is_custom: true }));
 			}
 		} catch {
 			console.error('Failed to fetch custom services');
diff --git a/frontend/src/lib/components/admin/WeeklySchedule.svelte b/frontend/src/lib/components/admin/WeeklySchedule.svelte
index 16f36cf..bd1a4e4 100644
--- a/frontend/src/lib/components/admin/WeeklySchedule.svelte
+++ b/frontend/src/lib/components/admin/WeeklySchedule.svelte
@@ -112,7 +112,7 @@
 
 			if (response.ok) {
 				const data = await response.json();
-				defaultHours = data.map((hour: any) => ({
+				defaultHours = data.map((hour: { weekday: number; startTime: string; endTime: string; isOpen: boolean }) => ({
 					weekday: hour.weekday,
 					start_time: formatTime(hour.startTime),
 					end_time: formatTime(hour.endTime),
diff --git a/frontend/src/lib/components/payments/PaymentModal.svelte b/frontend/src/lib/components/payments/PaymentModal.svelte
index 4247d6a..474e982 100644
--- a/frontend/src/lib/components/payments/PaymentModal.svelte
+++ b/frontend/src/lib/components/payments/PaymentModal.svelte
@@ -543,7 +543,7 @@
 		try {
 			await applyLoyaltyRedemption();
 
-			const body: any = {
+			const body: { amount: number; payment_type: string; payment_method: string; gift_card_id?: string } = {
 				amount: payAmountCents,
 				payment_type: 'full',
 				payment_method: 'giftcard'
diff --git a/frontend/src/routes/admin/notifications/+page.svelte b/frontend/src/routes/admin/notifications/+page.svelte
index 9be1cef..1f858c8 100644
--- a/frontend/src/routes/admin/notifications/+page.svelte
+++ b/frontend/src/routes/admin/notifications/+page.svelte
@@ -14,6 +14,7 @@
 	import UserModal from '$lib/components/admin/UserModal.svelte';
 	import EditRequestModal from '$lib/components/admin/EditRequestModal.svelte';
 	import { toast } from 'svelte-sonner';
+	import type { Booking } from '$lib/types/booking';
 
 	interface Notification {
 		id: number;
@@ -68,7 +69,7 @@
 	let includeAcknowledged = $state(false);
 
 	let showApprovalModal = $state(false);
-	let selectedBooking = $state<any>(null);
+	let selectedBooking = $state<Booking | null>(null);
 	let showBookingModal = $state(false);
 	let showUserModal = $state(false);
 	let selectedUserId = $state<string | null>(null);
@@ -154,7 +155,7 @@
 		}
 	}
 
-	async function fetchBookingDetails(bookingId: string): Promise<any> {
+	async function fetchBookingDetails(bookingId: string): Promise<Booking | null> {
 		const response = await fetch(`/api/admin/bookings/${bookingId}`, {
 			headers: { Authorization: `Bearer ${authStore.currentToken}` }
 		});