diff --git a/.env.example b/.env.example
index 06bcb34..aafdca2 100644
--- a/.env.example
+++ b/.env.example
@@ -27,8 +27,3 @@ OMADA_PROXY_API_KEY=""
 # Invoice Ninja — finance/clients integration
 # =============================================================================
 NINJA_API_KEY=""
-
-# =============================================================================
-# Cron — shared secret that protects the /api/check-devices route
-# =============================================================================
-CRON_API_KEY=""
diff --git a/actions/auth-actions.ts b/actions/auth-actions.ts
index ba5c8ce..6988fa0 100644
--- a/actions/auth-actions.ts
+++ b/actions/auth-actions.ts
@@ -192,26 +192,6 @@ export async function signup(_actionState: ActionState, formData: FormData) {
 	return { message: "User created successfully", error: "success" };
 }
 
-export const sendOtp = async (phoneNumber: string, code: string) => {
-	// Implement sending OTP code via SMS
-	console.log("Send OTP server fn", phoneNumber, code);
-	const respose = await fetch(`${process.env.SMS_API_BASE_URL}/api/sms`, {
-		method: "POST",
-		headers: {
-			"Content-Type": "application/json",
-			Authorization: `Bearer ${process.env.SMS_API_KEY}`,
-		},
-		body: JSON.stringify({
-			check_delivery: false,
-			number: phoneNumber,
-			message: `Your OTP code is ${code}`,
-		}),
-	});
-	const data = await respose.json();
-	console.log(data);
-	return data;
-};
-
 export async function backendMobileLogin({ mobile }: { mobile: string }) {
 	const response = await fetch(
 		`${process.env.SARLINK_API_BASE_URL}/auth/mobile/`,
diff --git a/app/api/check-devices/route.ts b/app/api/check-devices/route.ts
index 655cbaf..c90fb9d 100644
--- a/app/api/check-devices/route.ts
+++ b/app/api/check-devices/route.ts
@@ -1,146 +1,4 @@
 export async function GET(request: Request) {
 	console.log(request.url);
 	return Response.json({ message: "Request received" });
-	// 	try {
-	// 		// Validate API key before proceeding
-	// 		validateApiKey(request);
-
-	// 		const currentTime = new Date();
-	// 		const hoursSinceLastRun =
-	// 			(currentTime.getTime() - lastRunTime.getTime()) / (1000 * 60 * 60);
-
-	// 		// Get all active and unblocked devices with their latest payment
-	// 		const devices = await prisma.device.findMany({
-	// 			where: {
-	// 				isActive: true,
-	// 				blocked: false,
-	// 			},
-	// 			include: {
-	// 				payments: true,
-	// 				User: {
-	// 					include: {
-	// 						devices: true,
-	// 					},
-	// 				},
-	// 			},
-	// 		});
-	// 		let devicesNeedingNotification = 0;
-	// 		let devicesBlocked = 0;
-
-	// 		for (const device of devices) {
-	// 			let expiryDate = new Date();
-
-	// 			const payment = device.payments[0];
-	// 			expiryDate = addMonths(
-	// 				payment?.paidAt || new Date(),
-	// 				payment?.numberOfMonths || 0,
-	// 			);
-
-	// 			// Calculate notification threshold (5 days before expiry)
-	// 			const notificationThreshold = addDays(expiryDate, -5);
-
-	// 			const currentDate = new Date();
-
-	// 			console.log("device name -> ", device.name);
-	// 			console.log("paid date -> ", device.payments[0]?.paidAt);
-	// 			console.log("no of months paid -> ", device.payments[0]?.numberOfMonths);
-	// 			console.log("calculated expire date -> ", expiryDate);
-	// 			console.log("notification threshold -> ", notificationThreshold);
-	// 			console.log("current date -> ", currentDate);
-
-	// 			// Check if device is within notification period
-	// 			if (
-	// 				isWithinInterval(currentDate, {
-	// 					start: notificationThreshold,
-	// 					end: expiryDate,
-	// 				})
-	// 			) {
-	// 				// Device is within 5 days of expiring
-	// 				if (device.User?.phoneNumber) {
-	// 					await sendNotifySms(
-	// 						new Date(expiryDate),
-	// 						device.User?.phoneNumber ?? "",
-	// 						device.name,
-	// 					);
-	// 					devicesNeedingNotification++;
-	// 				}
-	// 			}
-
-	// 			// Check if device has expired
-	// 			if (isAfter(currentDate, expiryDate)) {
-	// 				// Device has expired, block it
-	// 				// TODO: add a reason for blocking
-	// 				await blockDevice({
-	// 					macAddress: device.mac,
-	// 					type: "block",
-	// 				});
-	// 				await prisma.device.update({
-	// 					where: { id: device.id },
-	// 					data: {
-	// 						isActive: false,
-	// 						blocked: true,
-	// 					},
-	// 				});
-	// 				devicesBlocked++;
-	// 			}
-	// 		}
-
-	// 		if (hoursSinceLastRun < 24) {
-	// 			return Response.json({
-	// 				totalActiveDevices: devices.length,
-	// 				devicesChecked: {
-	// 					notified: devicesNeedingNotification,
-	// 					blocked: devicesBlocked,
-	// 				},
-	// 				message: "Check was run recently",
-	// 				nextCheckIn: `${Math.round(24 - hoursSinceLastRun)} hours`,
-	// 			});
-	// 		}
-
-	// 		return Response.json({
-	// 			success: true,
-	// 			totalActiveDevices: devices.length,
-	// 			devicesChecked: {
-	// 				notified: devicesNeedingNotification,
-	// 				blocked: devicesBlocked,
-	// 			},
-	// 			runAt: currentTime,
-	// 		});
-	// 	} catch (error) {
-	// 		if (error instanceof Error) {
-	// 			if (error.message === "API key is missing") {
-	// 				return Response.json({ error: "API key is required" }, { status: 401 });
-	// 			}
-	// 			if (error.message === "Invalid API key") {
-	// 				return Response.json({ error: "Invalid API key" }, { status: 403 });
-	// 			}
-	// 		}
-
-	// 		console.error("Error in device check:", error);
-	// 		return Response.json({ error: "Failed to check devices" }, { status: 500 });
-	// 	}
-	// }
-
-	// // Mock function - replace with your actual SMS implementation
-	// async function sendNotifySms(
-	// 	expireDate: Date,
-	// 	phoneNumber: string,
-	// 	deviceName?: string,
-	// ) {
-	// 	const respose = await fetch(`${process.env.SMS_API_BASE_URL}/api/sms`, {
-	// 		method: "POST",
-	// 		headers: {
-	// 			"Content-Type": "application/json",
-	// 			Authorization: `Bearer ${process.env.SMS_API_KEY}`,
-	// 		},
-	// 		body: JSON.stringify({
-	// 			check_delivery: false,
-	// 			number: phoneNumber,
-	// 			message: `REMINDER! Your device [${deviceName}] will expire on ${new Date(expireDate)}.`,
-	// 		}),
-	// 	});
-	// 	const data = await respose.json();
-	// 	console.log(data);
-	// 	return data;
-	//
 }
diff --git a/lib/utils.ts b/lib/utils.ts
index b2385ba..183e2c1 100644
--- a/lib/utils.ts
+++ b/lib/utils.ts
@@ -28,26 +28,6 @@ export const formatMacAddress = (mac: string): string => {
   return formatted ? formatted.join("-") : "";
 };
 
-export function validateApiKey(request: Request) {
-  // Get API key from environment variable
-  const validApiKey = process.env.CRON_API_KEY;
-
-  if (!validApiKey) {
-    throw new Error("CRON_API_KEY is not configured");
-  }
-
-  // Get API key from request header
-  const apiKey = request.headers.get("x-api-key");
-
-  if (!apiKey) {
-    throw new Error("API key is missing");
-  }
-
-  if (apiKey !== validApiKey) {
-    throw new Error("Invalid API key");
-  }
-}
-
 export function shouldShowTopupPaymentInfo(topup: Topup | undefined): boolean {
   if (!topup) return false;