diff --git a/AdminUI/LearningHub.Nhs.AdminUI/Controllers/api/UserController.cs b/AdminUI/LearningHub.Nhs.AdminUI/Controllers/api/UserController.cs
deleted file mode 100644
index d2b97e13c..000000000
--- a/AdminUI/LearningHub.Nhs.AdminUI/Controllers/api/UserController.cs
+++ /dev/null
@@ -1,60 +0,0 @@
-namespace LearningHub.Nhs.AdminUI.Controllers.Api
-{
-    using System;
-    using System.Collections.Generic;
-    using System.Threading.Tasks;
-    using elfhHub.Nhs.Models.Common;
-    using elfhHub.Nhs.Models.Enums;
-    using LearningHub.Nhs.AdminUI.Interfaces;
-    using Microsoft.AspNetCore.Authorization;
-    using Microsoft.AspNetCore.Mvc;
-    using Microsoft.Extensions.Logging;
-    using Microsoft.Extensions.Options;
-
-    /// <summary>
-    /// The UserController class.
-    /// </summary>
-    [Authorize]
-    [Route("api/[controller]")]
-    [ApiController]
-    public class UserController : BaseApiController
-    {
-        /// <summary>
-        /// The elfh user service..
-        /// </summary>
-        private IUserService userService;
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="UserController"/> class.
-        /// </summary>
-        /// <param name="userService">The userService<see cref="IUserService"/>.</param>
-        /// <param name="loginWizardService">loginWizardService.</param>
-        /// <param name="logger">logger.</param>
-        /// <param name="settings">Settings.</param>
-        public UserController(IUserService userService, ILogger<UserController> logger)
-            : base(logger)
-        {
-            this.userService = userService;
-        }
-
-        /// <summary>
-        /// The SessionTimeout.
-        /// </summary>
-        /// <returns>The <see cref="IActionResult"/>.</returns>
-        [HttpPost("browser-close")]
-        public IActionResult BrowserClose()
-        {
-            // Add browser close to the UserHistory
-            UserHistoryViewModel userHistory = new UserHistoryViewModel()
-            {
-                UserId = this.CurrentUserId,
-                UserHistoryTypeId = (int)UserHistoryType.Logout,
-                Detail = @"User browser closed",
-            };
-
-            this.userService.StoreUserHistory(userHistory);
-
-            return this.Ok(true);
-        }
-    }
-}
diff --git a/AdminUI/LearningHub.Nhs.AdminUI/Views/Shared/_Layout.cshtml b/AdminUI/LearningHub.Nhs.AdminUI/Views/Shared/_Layout.cshtml
index aa098dc6a..d12be205a 100644
--- a/AdminUI/LearningHub.Nhs.AdminUI/Views/Shared/_Layout.cshtml
+++ b/AdminUI/LearningHub.Nhs.AdminUI/Views/Shared/_Layout.cshtml
@@ -78,14 +78,7 @@
     </environment>
     @*<script type="text/javascript" src="~/js/bundle/header.js"></script>*@
     <partial name="~/Views/Shared/_ValidationScriptsPartial.cshtml" />
-  
     @RenderSection("Scripts", required: false)
-    <script type="text/javascript" src="~/js/pageunload.js" asp-append-version="true"></script>
-    <script type="text/javascript">
-        // Bind the function to the unload event
-        window.onunload = tellServerBrowserClosed;
-
-    </script>
 </body>
 </html>
 <!-- Build number: @settings.Value.BuildNumber -->
diff --git a/AdminUI/LearningHub.Nhs.AdminUI/wwwroot/js/PageUnload.js b/AdminUI/LearningHub.Nhs.AdminUI/wwwroot/js/PageUnload.js
deleted file mode 100644
index 8c458bee1..000000000
--- a/AdminUI/LearningHub.Nhs.AdminUI/wwwroot/js/PageUnload.js
+++ /dev/null
@@ -1,13 +0,0 @@
-        // This function will be called when the browser window is closed or unloaded
-    function tellServerBrowserClosed() {
-        // Send an asynchronous request to the server when the browser is closed
-        fetch('/api/user/browser-close', {
-            method: 'POST',
-            headers: {
-                'Content-Type': 'application/json'
-            },
-            body: JSON.stringify({ message: 'Browser closed' })
-        })
-            .then(response => response.json())
-            .catch(error => console.error('Error sending data to server:', error));
-        }
\ No newline at end of file
diff --git a/LearningHub.Nhs.WebUI/Configuration/Settings.cs b/LearningHub.Nhs.WebUI/Configuration/Settings.cs
index f0f2da3c1..ccb06c921 100644
--- a/LearningHub.Nhs.WebUI/Configuration/Settings.cs
+++ b/LearningHub.Nhs.WebUI/Configuration/Settings.cs
@@ -196,11 +196,6 @@ public Settings()
         /// </summary>
         public int PasswordRequestLimit { get; set; }
 
-        /// <summary>
-        /// Gets or sets the ConcurrentId.
-        /// </summary>
-        public int ConcurrentId { get; set; }
-
         /// <summary>
         /// Gets or sets the SupportUrls.
         /// </summary>
diff --git a/LearningHub.Nhs.WebUI/Controllers/Api/UserController.cs b/LearningHub.Nhs.WebUI/Controllers/Api/UserController.cs
index 48f2c0e9e..35294cc11 100644
--- a/LearningHub.Nhs.WebUI/Controllers/Api/UserController.cs
+++ b/LearningHub.Nhs.WebUI/Controllers/Api/UserController.cs
@@ -63,26 +63,6 @@ public async Task<IActionResult> CurrentProfile()
             return this.Ok(await this.userService.GetCurrentUserProfileAsync());
         }
 
-        /// <summary>
-        /// The SessionTimeout.
-        /// </summary>
-        /// <returns>The <see cref="IActionResult"/>.</returns>
-        [HttpPost("browser-close")]
-        public IActionResult BrowserClose()
-        {
-            // Add browser close to the UserHistory
-            UserHistoryViewModel userHistory = new UserHistoryViewModel()
-            {
-                UserId = this.CurrentUserId,
-                UserHistoryTypeId = (int)UserHistoryType.Logout,
-                Detail = @"User browser closed",
-            };
-
-            this.userService.StoreUserHistory(userHistory);
-
-            return this.Ok(true);
-        }
-
         /// <summary>
         /// Get current user's basic details.
         /// </summary>
diff --git a/LearningHub.Nhs.WebUI/Controllers/HomeController.cs b/LearningHub.Nhs.WebUI/Controllers/HomeController.cs
index 9b91ed9ac..7f40afe15 100644
--- a/LearningHub.Nhs.WebUI/Controllers/HomeController.cs
+++ b/LearningHub.Nhs.WebUI/Controllers/HomeController.cs
@@ -6,7 +6,6 @@ namespace LearningHub.Nhs.WebUI.Controllers
     using System.Linq;
     using System.Net.Http;
     using System.Threading.Tasks;
-    using AspNetCoreRateLimit;
     using elfhHub.Nhs.Models.Common;
     using elfhHub.Nhs.Models.Enums;
     using LearningHub.Nhs.Models.Content;
@@ -27,7 +26,6 @@ namespace LearningHub.Nhs.WebUI.Controllers
     using Microsoft.Extensions.Logging;
     using Microsoft.Extensions.Options;
     using Microsoft.FeatureManagement;
-    using UAParser;
     using Settings = LearningHub.Nhs.WebUI.Configuration.Settings;
 
     /// <summary>
@@ -208,54 +206,42 @@ public async Task<IActionResult> Index(string myLearningDashboard = "my-in-progr
         {
             if (this.User?.Identity.IsAuthenticated == true)
             {
-                var userHistoryDetail = await this.userService.CheckUserHasAnActiveSessionAsync(this.CurrentUserId);
-                var uaParser = Parser.GetDefault();
-                var clientInfo = uaParser.Parse(this.Request.Headers["User-Agent"]);
-
-                if (userHistoryDetail.Items.Count == 0 || userHistoryDetail.Items[0].BrowserName == clientInfo.UA.Family)
+                this.Logger.LogInformation("User is authenticated: User is {fullname} and userId is: {lhuserid}", this.User.Identity.GetCurrentName(), this.User.Identity.GetCurrentUserId());
+                if (this.User.IsInRole("Administrator") || this.User.IsInRole("BlueUser") || this.User.IsInRole("ReadOnly") || this.User.IsInRole("BasicUser"))
                 {
-                    this.Settings.ConcurrentId = this.CurrentUserId;
-                    this.Logger.LogInformation("User is authenticated: User is {fullname} and userId is: {lhuserid}", this.User.Identity.GetCurrentName(), this.User.Identity.GetCurrentUserId());
-                    if (this.User.IsInRole("Administrator") || this.User.IsInRole("BlueUser") || this.User.IsInRole("ReadOnly") || this.User.IsInRole("BasicUser"))
+                    var learningTask = this.dashboardService.GetMyAccessLearningsAsync(myLearningDashboard, 1);
+                    var resourcesTask = this.dashboardService.GetResourcesAsync(resourceDashboard, 1);
+                    var cataloguesTask = this.dashboardService.GetCataloguesAsync(catalogueDashboard, 1);
+
+                    var enrolledCoursesTask = Task.FromResult(new List<MoodleCourseResponseViewModel>());
+                    var enableMoodle = Task.Run(() => this.featureManager.IsEnabledAsync(FeatureFlags.EnableMoodle)).Result;
+                    this.ViewBag.EnableMoodle = enableMoodle;
+                    this.ViewBag.ValidMoodleUser = this.CurrentMoodleUserId > 0;
+                    if (enableMoodle && myLearningDashboard == "my-enrolled-courses")
                     {
-                        var learningTask = this.dashboardService.GetMyAccessLearningsAsync(myLearningDashboard, 1);
-                        var resourcesTask = this.dashboardService.GetResourcesAsync(resourceDashboard, 1);
-                        var cataloguesTask = this.dashboardService.GetCataloguesAsync(catalogueDashboard, 1);
-
-                        var enrolledCoursesTask = Task.FromResult(new List<MoodleCourseResponseViewModel>());
-                        var enableMoodle = Task.Run(() => this.featureManager.IsEnabledAsync(FeatureFlags.EnableMoodle)).Result;
-                        this.ViewBag.EnableMoodle = enableMoodle;
-                        this.ViewBag.ValidMoodleUser = this.CurrentMoodleUserId > 0;
-                        if (enableMoodle && myLearningDashboard == "my-enrolled-courses")
-                        {
-                            enrolledCoursesTask = this.dashboardService.GetEnrolledCoursesFromMoodleAsync(this.CurrentMoodleUserId, 1);
-                        }
-
-                        await Task.WhenAll(learningTask, resourcesTask, cataloguesTask);
-
-                        var model = new DashboardViewModel()
-                        {
-                            MyLearnings = await learningTask,
-                            Resources = await resourcesTask,
-                            Catalogues = await cataloguesTask,
-                            EnrolledCourses = await enrolledCoursesTask,
-                        };
-
-                        if (!string.IsNullOrEmpty(this.Request.Query["preview"]) && Convert.ToBoolean(this.Request.Query["preview"]))
-                        {
-                            return this.View("LandingPage", await this.GetLandingPageContent(Convert.ToBoolean(this.Request.Query["preview"])));
-                        }
-
-                        return this.View("Dashboard", model);
+                        enrolledCoursesTask = this.dashboardService.GetEnrolledCoursesFromMoodleAsync(this.CurrentMoodleUserId, 1);
                     }
-                    else
+
+                    await Task.WhenAll(learningTask, resourcesTask, cataloguesTask);
+
+                    var model = new DashboardViewModel()
+                    {
+                        MyLearnings = await learningTask,
+                        Resources = await resourcesTask,
+                        Catalogues = await cataloguesTask,
+                        EnrolledCourses = await enrolledCoursesTask,
+                    };
+
+                    if (!string.IsNullOrEmpty(this.Request.Query["preview"]) && Convert.ToBoolean(this.Request.Query["preview"]))
                     {
-                        return this.RedirectToAction("InvalidUserAccount", "Account");
+                        return this.View("LandingPage", await this.GetLandingPageContent(Convert.ToBoolean(this.Request.Query["preview"])));
                     }
+
+                    return this.View("Dashboard", model);
                 }
                 else
                 {
-                    return this.RedirectToAction("AlreadyAnActiveSession", "Account");
+                    return this.RedirectToAction("InvalidUserAccount", "Account");
                 }
             }
             else
@@ -399,41 +385,12 @@ public IActionResult SessionTimeout(string returnUrl = "/")
                 return this.Redirect(returnUrl);
             }
 
-            // Add successful logout to the UserHistory
-            UserHistoryViewModel userHistory = new UserHistoryViewModel()
-            {
-                UserId = this.Settings.ConcurrentId,
-                UserHistoryTypeId = (int)UserHistoryType.Logout,
-                Detail = @"User session time out",
-            };
-
-            this.userService.StoreUserHistory(userHistory);
-
             this.ViewBag.AuthTimeout = this.authConfig.AuthTimeout;
             this.ViewBag.ReturnUrl = returnUrl;
 
             return this.View();
         }
 
-        /// <summary>
-        /// The SessionTimeout.
-        /// </summary>
-        /// <returns>The <see cref="IActionResult"/>.</returns>
-        [HttpPost("browser-close")]
-        public IActionResult BrowserClose()
-        {
-            // Add browser close to the UserHistory
-            UserHistoryViewModel userHistory = new UserHistoryViewModel()
-            {
-                UserId = this.CurrentUserId,
-                UserHistoryTypeId = (int)UserHistoryType.Logout,
-                Detail = @"User browser closed",
-            };
-
-            this.userService.StoreUserHistory(userHistory);
-            return this.Ok(true);
-        }
-
         /// <summary>
         /// The SitemapXml.
         /// </summary>
diff --git a/LearningHub.Nhs.WebUI/Views/Shared/Tenant/LearningHub/_Layout.cshtml b/LearningHub.Nhs.WebUI/Views/Shared/Tenant/LearningHub/_Layout.cshtml
index b999a6fb2..c16fa837c 100644
--- a/LearningHub.Nhs.WebUI/Views/Shared/Tenant/LearningHub/_Layout.cshtml
+++ b/LearningHub.Nhs.WebUI/Views/Shared/Tenant/LearningHub/_Layout.cshtml
@@ -161,13 +161,6 @@
     @RenderSection("Scripts", required: false)
 
     <script type="text/javascript" src="~/js/mkplayer-ui-custom.js" asp-append-version="true"></script>
-    <script type="text/javascript" src="~/js/pageunload.js" asp-append-version="true"></script>
-
-    <script type="text/javascript">
-        // Bind the function to the unload event
-        window.onunload = tellServerBrowserClosed;
-
-    </script>
 
 </body>
 </html>
diff --git a/LearningHub.Nhs.WebUI/appsettings.json b/LearningHub.Nhs.WebUI/appsettings.json
index edb50316b..95dd80eee 100644
--- a/LearningHub.Nhs.WebUI/appsettings.json
+++ b/LearningHub.Nhs.WebUI/appsettings.json
@@ -39,7 +39,6 @@
         "Restricted": false,
         "PasswordRequestLimitingPeriod": 1, // minutes
         "PasswordRequestLimit": 2,
-        "ConcurrentId": 0,
         "AzureBlobSettings": {
             "ConnectionString": "",
             "UploadContainer": ""
diff --git a/LearningHub.Nhs.WebUI/wwwroot/js/PageUnload.js b/LearningHub.Nhs.WebUI/wwwroot/js/PageUnload.js
deleted file mode 100644
index 8c458bee1..000000000
--- a/LearningHub.Nhs.WebUI/wwwroot/js/PageUnload.js
+++ /dev/null
@@ -1,13 +0,0 @@
-        // This function will be called when the browser window is closed or unloaded
-    function tellServerBrowserClosed() {
-        // Send an asynchronous request to the server when the browser is closed
-        fetch('/api/user/browser-close', {
-            method: 'POST',
-            headers: {
-                'Content-Type': 'application/json'
-            },
-            body: JSON.stringify({ message: 'Browser closed' })
-        })
-            .then(response => response.json())
-            .catch(error => console.error('Error sending data to server:', error));
-        }
\ No newline at end of file