diff --git a/System/AppDelegate.swift b/System/AppDelegate.swift
index 9198bb7..4332bcb 100644
--- a/System/AppDelegate.swift
+++ b/System/AppDelegate.swift
@@ -5,7 +5,7 @@ import UIKit
 
 final class AppDelegate: NSObject {
     @Published private var application: UIApplication?
-    private let remoteNotificationDeviceTokens = PassthroughSubject<Data, Error>()
+    private let deviceTokenSubject = PassthroughSubject<Data, Error>()
 }
 
 extension AppDelegate {
@@ -14,7 +14,7 @@ extension AppDelegate {
             .compactMap { $0 }
             .handleEvents(receiveOutput: { $0.registerForRemoteNotifications() })
             .setFailureType(to: Error.self)
-            .zip(remoteNotificationDeviceTokens)
+            .zip(deviceTokenSubject)
             .first()
             .map { $1 }
             .eraseToAnyPublisher()
@@ -32,11 +32,11 @@ extension AppDelegate: UIApplicationDelegate {
 
     func application(_ application: UIApplication,
                      didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
-        remoteNotificationDeviceTokens.send(deviceToken)
+        deviceTokenSubject.send(deviceToken)
     }
 
     func application(_ application: UIApplication,
                      didFailToRegisterForRemoteNotificationsWithError error: Error) {
-        remoteNotificationDeviceTokens.send(completion: .failure(error))
+        deviceTokenSubject.send(completion: .failure(error))
     }
 }
diff --git a/ViewModels/Sources/ViewModels/EditFilterViewModel.swift b/ViewModels/Sources/ViewModels/EditFilterViewModel.swift
index cb5015d..37e7dd6 100644
--- a/ViewModels/Sources/ViewModels/EditFilterViewModel.swift
+++ b/ViewModels/Sources/ViewModels/EditFilterViewModel.swift
@@ -16,14 +16,14 @@ public final class EditFilterViewModel: ObservableObject {
     }
 
     private let identification: Identification
-    private let saveCompletedInput = PassthroughSubject<Void, Never>()
+    private let saveCompletedSubject = PassthroughSubject<Void, Never>()
     private var cancellables = Set<AnyCancellable>()
 
     public init(filter: Filter, identification: Identification) {
         self.filter = filter
         self.identification = identification
         date = filter.expiresAt ?? Date()
-        saveCompleted = saveCompletedInput.eraseToAnyPublisher()
+        saveCompleted = saveCompletedSubject.eraseToAnyPublisher()
     }
 }
 
@@ -51,7 +51,7 @@ public extension EditFilterViewModel {
                     self.saving = false
 
                     if case .finished = $0 {
-                        self.saveCompletedInput.send(())
+                        self.saveCompletedSubject.send()
                     }
                 })
             .sink { _ in }