diff --git a/backend/notification_service.py b/backend/notification_service.py
index 9c09c5a..2612793 100644
--- a/backend/notification_service.py
+++ b/backend/notification_service.py
@@ -247,53 +247,86 @@ class NotificationService:
 
 		return self.get()
 		
-	def delete(self) -> None:
-		"""Delete the service
+	def delete(
+		self,
+		delete_reminders_using: bool = False
+	) -> None:
+		"""Delete the service.
+
+		Args:
+			delete_reminders_using (bool, optional): Instead of throwing an
+			error when there are still reminders using the service, delete
+			the reminders.
+				Defaults to False.
 
 		Raises:
-			NotificationServiceInUse: The service is still used by a reminder
-		"""	
+			NotificationServiceInUse: The service is still used by a reminder.
+		"""
 		LOGGER.info(f'Deleting notification service {self.id}')
-		
-		# Check if no reminders exist with this service
-		cursor = get_db()
-		cursor.execute("""
-			SELECT 1
-			FROM reminder_services
-			WHERE notification_service_id = ?
-				AND reminder_id IS NOT NULL
-			LIMIT 1;
-			""",
-			(self.id,)
-		)
-		if cursor.fetchone():
-			raise NotificationServiceInUse('reminder')
-			
-		# Check if no templates exist with this service
-		cursor.execute("""
-			SELECT 1
-			FROM reminder_services
-			WHERE notification_service_id = ?
-				AND template_id IS NOT NULL
-			LIMIT 1;
-			""",
-			(self.id,)
-		)
-		if cursor.fetchone():
-			raise NotificationServiceInUse('template')
 
-		# Check if no static reminders exist with this service
-		cursor.execute("""
-			SELECT 1
-			FROM reminder_services
-			WHERE notification_service_id = ?
-				AND static_reminder_id IS NOT NULL
-			LIMIT 1;
-			""",
-			(self.id,)
-		)
-		if cursor.fetchone():
-			raise NotificationServiceInUse('static reminder')
+		cursor = get_db()
+		if not delete_reminders_using:
+			# Check if no reminders exist with this service
+			cursor.execute("""
+				SELECT 1
+				FROM reminder_services
+				WHERE notification_service_id = ?
+					AND reminder_id IS NOT NULL
+				LIMIT 1;
+				""",
+				(self.id,)
+			)
+			if cursor.fetchone():
+				raise NotificationServiceInUse('reminder')
+				
+			# Check if no templates exist with this service
+			cursor.execute("""
+				SELECT 1
+				FROM reminder_services
+				WHERE notification_service_id = ?
+					AND template_id IS NOT NULL
+				LIMIT 1;
+				""",
+				(self.id,)
+			)
+			if cursor.fetchone():
+				raise NotificationServiceInUse('template')
+
+			# Check if no static reminders exist with this service
+			cursor.execute("""
+				SELECT 1
+				FROM reminder_services
+				WHERE notification_service_id = ?
+					AND static_reminder_id IS NOT NULL
+				LIMIT 1;
+				""",
+				(self.id,)
+			)
+			if cursor.fetchone():
+				raise NotificationServiceInUse('static reminder')
+
+		else:
+			cursor.execute("""
+				DELETE FROM reminders
+				WHERE id IN (
+					SELECT reminder_id AS id FROM reminder_services
+					WHERE notification_service_id = ?
+				);
+			""", (self.id,))
+			cursor.execute("""
+				DELETE FROM static_reminders
+				WHERE id IN (
+					SELECT static_reminder_id AS id FROM reminder_services
+					WHERE notification_service_id = ?
+				);
+			""", (self.id,))
+			cursor.execute("""
+				DELETE FROM templates
+				WHERE id IN (
+					SELECT template_id AS id FROM reminder_services
+					WHERE notification_service_id = ?
+				);
+			""", (self.id,))
 
 		cursor.execute(
 			"DELETE FROM notification_services WHERE id = ?",
diff --git a/frontend/api.py b/frontend/api.py
index 9f28584..c67e505 100644
--- a/frontend/api.py
+++ b/frontend/api.py
@@ -33,6 +33,7 @@ from backend.users import Users
 from frontend.input_validation import (AllowNewAccountsVariable, ColorVariable,
                                        CopyHostingSettingsVariable,
                                        DatabaseFileVariable,
+                                       DeleteRemindersUsingVariable,
                                        EditNotificationServicesVariable,
                                        EditTimeVariable, EditTitleVariable,
                                        EditURLVariable, HostVariable,
@@ -333,6 +334,7 @@ def api_test_service(inputs: Dict[str, Any]):
 			description='Edit the notification service'
 		),
 		delete=Method(
+			vars=[DeleteRemindersUsingVariable],
 			description='Delete the notification service'
 		)
 	),
@@ -355,7 +357,9 @@ def api_notification_service(inputs: Dict[str, str], n_id: int):
 		return return_api(result)
 
 	elif request.method == 'DELETE':
-		service.delete()
+		service.delete(
+			inputs['delete_reminders_using']
+		)
 		return return_api({})
 
 #===================
diff --git a/frontend/input_validation.py b/frontend/input_validation.py
index c368fec..49d0d8d 100644
--- a/frontend/input_validation.py
+++ b/frontend/input_validation.py
@@ -383,7 +383,6 @@ class ColorVariable(NonRequiredVersion, BaseInputVariable):
 	description = 'The hex code of the color of the entry, which is shown in the web-ui'
 
 	def validate(self) -> bool:
-		super()
 		return self.value is None or (
 			isinstance(self.value, str)
 			and color_regex.search(self.value)
@@ -396,6 +395,26 @@ class QueryVariable(BaseInputVariable):
 	source = DataSource.VALUES
 
 
+class DeleteRemindersUsingVariable(NonRequiredVersion, BaseInputVariable):
+	name = 'delete_reminders_using'
+	description = 'Instead of throwing an error when there are still reminders using the service, delete the reminders.'
+	source = DataSource.VALUES
+	default = 'false'
+	data_type = [DataType.BOOL]
+
+	def validate(self) -> bool:
+		if self.value == 'true':
+			self.value = True
+			return True
+
+		elif self.value == 'false':
+			self.value = False
+			return True
+
+		else:
+			return False
+
+
 class AdminSettingsVariable(BaseInputVariable):
 	def validate(self) -> bool:
 		try:
diff --git a/frontend/static/js/notification.js b/frontend/static/js/notification.js
index d9172a8..811ee59 100644
--- a/frontend/static/js/notification.js
+++ b/frontend/static/js/notification.js
@@ -153,9 +153,9 @@ function saveService(id) {
 	});
 };
 
-function deleteService(id) {
+function deleteService(id, delete_reminders_using=false) {
 	const row = document.querySelector(`tr[data-id="${id}"]`);
-	fetch(`${url_prefix}/api/notificationservices/${id}?api_key=${api_key}`, {
+	fetch(`${url_prefix}/api/notificationservices/${id}?api_key=${api_key}&delete_reminders_using=${delete_reminders_using}`, {
 		'method': 'DELETE'
 	})
 	.then(response => response.json())
@@ -164,18 +164,25 @@ function deleteService(id) {
 		
 		row.remove();
 		fillNotificationServices();
+		if (delete_reminders_using) {
+			fillLibrary(Types.reminder);
+			fillLibrary(Types.static_reminder);
+			fillLibrary(Types.template);
+		};
 	})
 	.catch(e => {
 		if (e.error === 'ApiKeyExpired' || e.error === 'ApiKeyInvalid')
 			window.location.href = `${url_prefix}/`;
+
 		else if (e.error === 'NotificationServiceInUse') {
-			const delete_button = row.querySelector('button[title="Delete"]');
-			delete_button.classList.add('error-icon');
-			delete_button.title = `The notification service is still in use by a ${e.result.type}`;
-			setTimeout(
-				() => alert(`The notification service is still in use by a ${e.result.type}`),
-				10
+			const delete_reminders = confirm(
+				`The notification service is still in use by a ${e.result.type}. Do you want to delete all ${e.result.type}s that are using the notification service?`
 			);
+			
+			if (delete_reminders)
+				deleteService(id, delete_reminders_using=true);
+			return;
+
 		} else
 			console.log(e);
 	});