diff --git a/lib/pages/routines/widgets/routine_devices.dart b/lib/pages/routines/widgets/routine_devices.dart
index ba5756e0..f6ff0db9 100644
--- a/lib/pages/routines/widgets/routine_devices.dart
+++ b/lib/pages/routines/widgets/routine_devices.dart
@@ -17,6 +17,8 @@ class _RoutineDevicesState extends State<RoutineDevices> {
     context.read<RoutineBloc>().add(FetchDevicesInRoutine());
   }
 
+  static const _allowedProductTypes = {'AC', '1G', '2G', '3G', 'WPS', 'GW'};
+
   @override
   Widget build(BuildContext context) {
     return BlocBuilder<RoutineBloc, RoutineState>(
@@ -31,10 +33,9 @@ class _RoutineDevicesState extends State<RoutineDevices> {
           }
         });
 
-        final deviceList = state.devices.where((device) {
-          const allowedProductTypes = {'AC', '1G', '2G', '3G', 'WPS', 'GW'};
-          return allowedProductTypes.contains(device.productType);
-        }).toList();
+        final deviceList = state.devices
+            .where((device) => _allowedProductTypes.contains(device.productType))
+            .toList();
 
         return Wrap(
           spacing: 10,