diff --git a/src/Certify.Server/Certify.Server.Api.Public.Client/Certify.API.Public.cs b/src/Certify.Server/Certify.Server.Api.Public.Client/Certify.API.Public.cs
index 14dfc1607..c55f1ae1f 100644
--- a/src/Certify.Server/Certify.Server.Api.Public.Client/Certify.API.Public.cs
+++ b/src/Certify.Server/Certify.Server.Api.Public.Client/Certify.API.Public.cs
@@ -3262,7 +3262,7 @@ public virtual async System.Threading.Tasks.Task<ManagedCertificateSummaryResult
 
         /// <returns>OK</returns>
         /// <exception cref="ApiException">A server side error occurred.</exception>
-        public virtual System.Threading.Tasks.Task<System.Collections.Generic.ICollection<ManagedInstanceInfo>> FlushHubManagedInstancesAsync()
+        public virtual System.Threading.Tasks.Task FlushHubManagedInstancesAsync()
         {
             return FlushHubManagedInstancesAsync(System.Threading.CancellationToken.None);
         }
@@ -3270,7 +3270,7 @@ public virtual async System.Threading.Tasks.Task<ManagedCertificateSummaryResult
         /// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
         /// <returns>OK</returns>
         /// <exception cref="ApiException">A server side error occurred.</exception>
-        public virtual async System.Threading.Tasks.Task<System.Collections.Generic.ICollection<ManagedInstanceInfo>> FlushHubManagedInstancesAsync(System.Threading.CancellationToken cancellationToken)
+        public virtual async System.Threading.Tasks.Task FlushHubManagedInstancesAsync(System.Threading.CancellationToken cancellationToken)
         {
             var client_ = _httpClient;
             var disposeClient_ = false;
@@ -3279,7 +3279,6 @@ public virtual async System.Threading.Tasks.Task<ManagedCertificateSummaryResult
                 using (var request_ = new System.Net.Http.HttpRequestMessage())
                 {
                     request_.Method = new System.Net.Http.HttpMethod("GET");
-                    request_.Headers.Accept.Add(System.Net.Http.Headers.MediaTypeWithQualityHeaderValue.Parse("text/plain"));
 
                     var urlBuilder_ = new System.Text.StringBuilder();
                     if (!string.IsNullOrEmpty(_baseUrl)) urlBuilder_.Append(_baseUrl);
@@ -3311,12 +3310,7 @@ public virtual async System.Threading.Tasks.Task<ManagedCertificateSummaryResult
                         var status_ = (int)response_.StatusCode;
                         if (status_ == 200)
                         {
-                            var objectResponse_ = await ReadObjectResponseAsync<System.Collections.Generic.ICollection<ManagedInstanceInfo>>(response_, headers_, cancellationToken).ConfigureAwait(false);
-                            if (objectResponse_.Object == null)
-                            {
-                                throw new ApiException("Response was null which was not expected.", status_, objectResponse_.Text, headers_, null);
-                            }
-                            return objectResponse_.Object;
+                            return;
                         }
                         else
                         {
diff --git a/src/Certify.Server/Certify.Server.Api.Public/Controllers/internal/HubController.cs b/src/Certify.Server/Certify.Server.Api.Public/Controllers/internal/HubController.cs
index 13687ac78..86983db3f 100644
--- a/src/Certify.Server/Certify.Server.Api.Public/Controllers/internal/HubController.cs
+++ b/src/Certify.Server/Certify.Server.Api.Public/Controllers/internal/HubController.cs
@@ -101,7 +101,7 @@ public async Task<IActionResult> GetHubManagedInstances()
         [HttpGet]
         [Route("flush")]
         [Authorize(AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)]
-        [ProducesResponseType(StatusCodes.Status200OK, Type = typeof(List<ManagedInstanceInfo>))]
+        [ProducesResponseType(StatusCodes.Status200OK)]
         public async Task<IActionResult> FlushHubManagedInstances()
         {
             _mgmtStateProvider.Clear();