diff --git a/src/samples/aspnet/Elsa.Samples.WorkflowServer/Program.cs b/src/samples/aspnet/Elsa.Samples.WorkflowServer/Program.cs
index 6ba732ee4..cd9e3e4b2 100644
--- a/src/samples/aspnet/Elsa.Samples.WorkflowServer/Program.cs
+++ b/src/samples/aspnet/Elsa.Samples.WorkflowServer/Program.cs
@@ -2,7 +2,6 @@ using Elsa.EntityFrameworkCore.Extensions;
 using Elsa.EntityFrameworkCore.Modules.Management;
 using Elsa.EntityFrameworkCore.Modules.Runtime;
 using Elsa.Extensions;
-using Elsa.Samples.WorkflowServer.Activities;
 
 var builder = WebApplication.CreateBuilder(args);
 
diff --git a/src/samples/console/Elsa.Samples.Composition/Activities/AskAge.cs b/src/samples/console/Elsa.Samples.Composition/Activities/AskAge.cs
index 45b4e170a..dc9d4ea2f 100644
--- a/src/samples/console/Elsa.Samples.Composition/Activities/AskAge.cs
+++ b/src/samples/console/Elsa.Samples.Composition/Activities/AskAge.cs
@@ -10,9 +10,9 @@ public class AskAge : Composite<int>
 
     public AskAge()
     {
+        Variables = new List<Variable> { _age };
         Root = new Sequence
         {
-            Variables = { _age },
             Activities =
             {
                 new WriteLine(context => Prompt.Get(context)),
diff --git a/src/samples/console/Elsa.Samples.Composition/Activities/AskDetails.cs b/src/samples/console/Elsa.Samples.Composition/Activities/AskDetails.cs
index bcc03203e..448c456d3 100644
--- a/src/samples/console/Elsa.Samples.Composition/Activities/AskDetails.cs
+++ b/src/samples/console/Elsa.Samples.Composition/Activities/AskDetails.cs
@@ -1,6 +1,7 @@
 using Elsa.Extensions;
 using Elsa.Workflows.Core.Activities;
 using Elsa.Workflows.Core.Models;
+using Elsa.Workflows.Management.Activities.SetOutput;
 
 public class AskDetails : Composite<Person>
 {
@@ -12,9 +13,9 @@ public class AskDetails : Composite<Person>
 
     public AskDetails()
     {
+        Variables = new List<Variable> { _name, _age };
         Root = new Sequence
         {
-            Variables = { _name, _age },
             Activities =
             {
                 new AskName
diff --git a/src/samples/console/Elsa.Samples.Composition/Activities/AskName.cs b/src/samples/console/Elsa.Samples.Composition/Activities/AskName.cs
index b628d95ac..77b43af49 100644
--- a/src/samples/console/Elsa.Samples.Composition/Activities/AskName.cs
+++ b/src/samples/console/Elsa.Samples.Composition/Activities/AskName.cs
@@ -11,9 +11,9 @@ public class AskName : Composite<string>
 
     public AskName()
     {
+        Variables = new List<Variable> { _name };
         Root = new Sequence
         {
-            Variables = new List<Variable> { _name },
             Activities = new List<IActivity>
             {
                 new WriteLine(context => Prompt.Get(context)),