diff --git a/src/Radarr.Http/Authentication/AuthenticationBuilderExtensions.cs b/src/Radarr.Http/Authentication/AuthenticationBuilderExtensions.cs
index 4ad49f797..c0d11e4d8 100644
--- a/src/Radarr.Http/Authentication/AuthenticationBuilderExtensions.cs
+++ b/src/Radarr.Http/Authentication/AuthenticationBuilderExtensions.cs
@@ -33,6 +33,7 @@ namespace Radarr.Http.Authentication
                     options.AccessDeniedPath = "/login?loginFailed=true";
                     options.LoginPath = "/login";
                     options.ExpireTimeSpan = TimeSpan.FromDays(7);
+                    options.SlidingExpiration = true;
                 })
                 .AddApiKey("API", options =>
                 {
diff --git a/src/Radarr.Http/Authentication/AuthenticationService.cs b/src/Radarr.Http/Authentication/AuthenticationService.cs
index 46cc61b48..f43a70cde 100644
--- a/src/Radarr.Http/Authentication/AuthenticationService.cs
+++ b/src/Radarr.Http/Authentication/AuthenticationService.cs
@@ -1,5 +1,8 @@
+using System;
+using System.Net;
 using Microsoft.AspNetCore.Http;
 using NLog;
+using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Authentication;
 using NzbDrone.Core.Configuration;
 using Radarr.Http.Extensions;
@@ -15,17 +18,14 @@ namespace Radarr.Http.Authentication
 
     public class AuthenticationService : IAuthenticationService
     {
-        private const string AnonymousUser = "Anonymous";
         private static readonly Logger _authLogger = LogManager.GetLogger("Auth");
         private readonly IUserService _userService;
 
-        private static string API_KEY;
         private static AuthenticationType AUTH_METHOD;
 
         public AuthenticationService(IConfigFileProvider configFileProvider, IUserService userService)
         {
             _userService = userService;
-            API_KEY = configFileProvider.ApiKey;
             AUTH_METHOD = configFileProvider.AuthenticationMethod;
         }