Index: src/Common/DelftTools.Shell.Core/DelftTools.Shell.Core.csproj
===================================================================
diff -u -r322d4b0df95dac67f7d5797dd9daf9ce9a19ea90 -r8702d012630646100a38f3e7f3e8ea3dd9749718
--- src/Common/DelftTools.Shell.Core/DelftTools.Shell.Core.csproj	(.../DelftTools.Shell.Core.csproj)	(revision 322d4b0df95dac67f7d5797dd9daf9ce9a19ea90)
+++ src/Common/DelftTools.Shell.Core/DelftTools.Shell.Core.csproj	(.../DelftTools.Shell.Core.csproj)	(revision 8702d012630646100a38f3e7f3e8ea3dd9749718)
@@ -155,7 +155,6 @@
     <Compile Include="Workflow\ActivityRunner.cs" />
     <Compile Include="Workflow\ActivityStatus.cs" />
     <Compile Include="Workflow\ActivityStatusChangedEventArgs.cs" />
-    <Compile Include="Workflow\ActivityWrapper.cs" />
     <Compile Include="Workflow\AsyncActivityRunner.cs" />
     <Compile Include="Workflow\BackgroundWorker.cs">
       <SubType>Component</SubType>
Index: src/Common/DelftTools.Shell.Core/Extensions/CompositeActivityExtensions.cs
===================================================================
diff -u -r8f6ae890fed8e8eae3a32f9c0498a10f82e0ddf9 -r8702d012630646100a38f3e7f3e8ea3dd9749718
--- src/Common/DelftTools.Shell.Core/Extensions/CompositeActivityExtensions.cs	(.../CompositeActivityExtensions.cs)	(revision 8f6ae890fed8e8eae3a32f9c0498a10f82e0ddf9)
+++ src/Common/DelftTools.Shell.Core/Extensions/CompositeActivityExtensions.cs	(.../CompositeActivityExtensions.cs)	(revision 8702d012630646100a38f3e7f3e8ea3dd9749718)
@@ -1,32 +1,10 @@
 using System.Collections.Generic;
-using System.Linq;
 using DelftTools.Shell.Core.Workflow;
 
 namespace DelftTools.Shell.Core.Extensions
 {
     public static class CompositeActivityExtensions
     {
-        /// <summary>
-        /// Get activities in this composition, that according to the currently selected workflow, run simultaneous with the given target activity.
-        /// Note: Simultaneous = parallel
-        /// </summary>
-        /// <param name="compositeModel"></param>
-        /// <param name="targetActivity"></param>
-        /// <returns></returns>
-        public static IEnumerable<IActivity> GetActivitiesRunningSimultaneous(this ICompositeActivity compositeModel, IActivity targetActivity)
-        {
-            var workflow = compositeModel.CurrentWorkflow ?? compositeModel; //if compositeModel is already a workflow, this also works fine
-
-            var parentActivity = GetParentActivity(workflow, targetActivity);
-
-            //we make the assumption here that all other composite activities run parallel
-            if (parentActivity != null && !(parentActivity is SequentialActivity)) 
-            {
-                return parentActivity.Activities.Select(UnwrapActivity).Where(a => a != targetActivity);
-            }
-            return new IActivity[0];
-        }
-
         public static IEnumerable<T> GetAllActivitiesRecursive<T>(this ICompositeActivity compositeModel) where T : IActivity
         {
             if (compositeModel is T)
@@ -58,26 +36,26 @@
         {
             var compositeWorkflow = workflow as ICompositeActivity;
             if (compositeWorkflow == null)
+            {
                 return null;
+            }
 
             foreach (var a in compositeWorkflow.Activities)
             {
-                var activity = UnwrapActivity(a);
-
-                if (activity == targetActivity)
+                if (a == targetActivity)
+                {
                     return compositeWorkflow;
+                }
 
-                var parent = GetParentActivity(activity, targetActivity);
+                var parent = GetParentActivity(a, targetActivity);
 
                 if (parent != null)
+                {
                     return parent;
+                }
             }
+
             return null;
         }
-
-        private static IActivity UnwrapActivity(IActivity activity)
-        {
-            return activity is ActivityWrapper ? ((ActivityWrapper) activity).Activity : activity;
-        }
     }
 }
\ No newline at end of file
Fisheye: Tag 8702d012630646100a38f3e7f3e8ea3dd9749718 refers to a dead (removed) revision in file `src/Common/DelftTools.Shell.Core/Workflow/ActivityWrapper.cs'.
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