diff --git a/src/modules/Elsa.Workflows.Management/Extensions/WorkflowInstanceStoreExtensions.cs b/src/modules/Elsa.Workflows.Management/Extensions/WorkflowInstanceStoreExtensions.cs
index f41d0325d..d26e07ea4 100644
--- a/src/modules/Elsa.Workflows.Management/Extensions/WorkflowInstanceStoreExtensions.cs
+++ b/src/modules/Elsa.Workflows.Management/Extensions/WorkflowInstanceStoreExtensions.cs
@@ -15,6 +15,6 @@ public static class WorkflowInstanceStoreExtensions
     /// </summary>
     public static async ValueTask<WorkflowInstance?> FindAsync(this IWorkflowInstanceStore store, string id, CancellationToken cancellationToken = default)
     {
-        return await store.FindAsync(new WorkflowInstanceFilter{ Id = id }, cancellationToken);
+        return await store.FindAsync(new() { Id = id }, cancellationToken);
     }
 }
\ No newline at end of file
diff --git a/src/modules/Elsa.Workflows.Management/Filters/WorkflowInstanceFilter.cs b/src/modules/Elsa.Workflows.Management/Filters/WorkflowInstanceFilter.cs
index f279df52a..15deb1e41 100644
--- a/src/modules/Elsa.Workflows.Management/Filters/WorkflowInstanceFilter.cs
+++ b/src/modules/Elsa.Workflows.Management/Filters/WorkflowInstanceFilter.cs
@@ -134,7 +134,7 @@ public class WorkflowInstanceFilter
 
         if (TimestampFilters != null)
         {
-            foreach (TimestampFilter timestampFilter in TimestampFilters)
+            foreach (var timestampFilter in TimestampFilters)
             {
                 var column = timestampFilter.Column;
                 var timestamp = timestampFilter.Timestamp;
diff --git a/src/modules/Elsa.Workflows.Management/Models/WorkflowInstanceSummary.cs b/src/modules/Elsa.Workflows.Management/Models/WorkflowInstanceSummary.cs
index 97346b24b..ef673127a 100644
--- a/src/modules/Elsa.Workflows.Management/Models/WorkflowInstanceSummary.cs
+++ b/src/modules/Elsa.Workflows.Management/Models/WorkflowInstanceSummary.cs
@@ -33,32 +33,31 @@ public class WorkflowInstanceSummary
     /// <summary>
     /// Returns a summary view of the specified <see cref="WorkflowInstance"/>.
     /// </summary>
-    public static Expression<Func<WorkflowInstance, WorkflowInstanceSummary>> FromInstanceExpression()
-        => workflowInstance => new WorkflowInstanceSummary
-        {
-            Id = workflowInstance.Id,
-            DefinitionId = workflowInstance.DefinitionId,
-            DefinitionVersionId = workflowInstance.DefinitionVersionId,
-            Version = workflowInstance.Version,
-            Status = workflowInstance.Status,
-            SubStatus = workflowInstance.SubStatus,
-            CorrelationId = workflowInstance.CorrelationId,
-            Name = workflowInstance.Name,
-            IncidentCount = workflowInstance.IncidentCount,
-            CreatedAt = workflowInstance.CreatedAt,
-            UpdatedAt = workflowInstance.UpdatedAt,
-            FinishedAt = workflowInstance.FinishedAt
-        };
+    public static Expression<Func<WorkflowInstance, WorkflowInstanceSummary>> FromInstanceExpression() => workflowInstance => new()
+    {
+        Id = workflowInstance.Id,
+        DefinitionId = workflowInstance.DefinitionId,
+        DefinitionVersionId = workflowInstance.DefinitionVersionId,
+        Version = workflowInstance.Version,
+        Status = workflowInstance.Status,
+        SubStatus = workflowInstance.SubStatus,
+        CorrelationId = workflowInstance.CorrelationId,
+        Name = workflowInstance.Name,
+        IncidentCount = workflowInstance.IncidentCount,
+        CreatedAt = workflowInstance.CreatedAt,
+        UpdatedAt = workflowInstance.UpdatedAt,
+        FinishedAt = workflowInstance.FinishedAt
+    };
 
 
     /// <summary>The ID of the workflow instance.</summary>
-    public string Id { get; set; } = default!;
+    public string Id { get; set; } = null!;
 
     /// <summary>The ID of the workflow definition.</summary>
-    public string DefinitionId { get; set; } = default!;
+    public string DefinitionId { get; set; } = null!;
 
     /// <summary>The version ID of the workflow definition.</summary>
-    public string DefinitionVersionId { get; set; } = default!;
+    public string DefinitionVersionId { get; set; } = null!;
 
     /// <summary>The version of the workflow definition.</summary>
     public int Version { get; set; }