diff --git a/build_projects/Microsoft.DotNet.Cli.Build.SelfTest/InvokeWithStage0.proj b/build_projects/Microsoft.DotNet.Cli.Build.SelfTest/InvokeWithStage0.proj
index 3437872d9..71dc8d373 100644
--- a/build_projects/Microsoft.DotNet.Cli.Build.SelfTest/InvokeWithStage0.proj
+++ b/build_projects/Microsoft.DotNet.Cli.Build.SelfTest/InvokeWithStage0.proj
@@ -4,7 +4,7 @@
     
     <Target Name="RunValidation">
         <Message Text="================================"/>
-        <DotNetMSBuild Arguments='$(MSBuildThisFileDirectory)/InvokeWithStage2.proj /p:ToolPath="$(Stage2Dir)"  /v:diag'
+        <DotNetMSBuild Arguments="  /v:diag $(MSBuildThisFileDirectory)/InvokeWithStage2.proj /p:ToolPath=&quot;$(Stage2Dir)&quot;"
                        ToolPath="$(Stage2Dir)" />
         <Message Text="================================"/>
     </Target>
diff --git a/build_projects/dotnet-cli-build/DotNetTool.cs b/build_projects/dotnet-cli-build/DotNetTool.cs
index d433c526a..478c1139e 100644
--- a/build_projects/dotnet-cli-build/DotNetTool.cs
+++ b/build_projects/dotnet-cli-build/DotNetTool.cs
@@ -15,22 +15,6 @@ namespace Microsoft.DotNet.Cli.Build
     {
         public DotNetTool()
         {
-            // var ev2r = new EnvironmentFilter()
-            //     .GetEnvironmentVariableNamesToRemove();
-
-            // foreach (var ev in ev2r)
-            // {
-            //     Console.WriteLine($"EV {ev}");
-            // }
-
-            // EnvironmentVariables = ev2r
-            //     .Select(e => $"{e}=")
-            //     .ToArray();
-
-            // foreach (var ev in EnvironmentVariables)
-            // {
-            //     Console.WriteLine($"EV {ev}");
-            // }
         }
 
         protected abstract string Command { get; }
@@ -41,8 +25,15 @@ namespace Microsoft.DotNet.Cli.Build
         {
             get
             {
-                return new EnvironmentFilter()
-                    .GetEnvironmentVariableNamesToRemove()
+                var ev2r = new EnvironmentFilter()
+                    .GetEnvironmentVariableNamesToRemove();
+
+                foreach (var ev in ev2r)
+                {
+                    Console.WriteLine($"EV {ev}");
+                }
+
+                return ev2r
                     .ToDictionary(e => e, e => (string)null);
             }
         }
@@ -76,14 +67,6 @@ namespace Microsoft.DotNet.Cli.Build
 
         protected override string GetWorkingDirectory()
         {
-            
-Log.LogMessage(MessageImportance.High, "OVERRIDING "); 
-
-            foreach (var ev in EnvironmentVariables)
-            {
-                Log.LogMessage(MessageImportance.High, $"{ev}");
-            }
-
             return WorkingDirectory ?? base.GetWorkingDirectory();
         }
 
diff --git a/build_projects/dotnet-cli-build/EnvironmentVariableFilter.cs b/build_projects/dotnet-cli-build/EnvironmentVariableFilter.cs
index 183ad58d6..87a965b22 100644
--- a/build_projects/dotnet-cli-build/EnvironmentVariableFilter.cs
+++ b/build_projects/dotnet-cli-build/EnvironmentVariableFilter.cs
@@ -28,6 +28,7 @@ namespace Microsoft.DotNet.Cli.Build
         private IEnumerable<string> _environmentVariablesToKeep = new string []
         {
             "DOTNET_CLI_TELEMETRY_SESSIONID",
+            "DOTNET_SKIP_FIRST_TIME_EXPERIENCE",
             "NUGET_PACKAGES"
         };
 
@@ -37,38 +38,18 @@ namespace Microsoft.DotNet.Cli.Build
                 .GetEnvironmentVariables()
                 .Keys
                 .Cast<string>();
-            
-            foreach (var envVar in allEnvironmentVariableNames)
-            {
-                Console.WriteLine($"ev: {envVar}");
-            }
 
             var environmentVariablesToRemoveByPrefix = allEnvironmentVariableNames
                 .Where(e => _prefixesOfEnvironmentVariablesToRemove.Any(p => e.StartsWith(p)));
-            
-            foreach (var envVar in environmentVariablesToRemoveByPrefix)
-            {
-                Console.WriteLine($"evp: {envVar}");
-            }
-            
+                        
             var environmentVariablesToRemoveByName = allEnvironmentVariableNames
                 .Where(e => _environmentVariablesToRemove.Contains(e));
             
-            foreach (var envVar in environmentVariablesToRemoveByName)
-            {
-                Console.WriteLine($"evn: {envVar}");
-            }
-            
             var environmentVariablesToRemove = environmentVariablesToRemoveByName
                 .Concat(environmentVariablesToRemoveByPrefix)
                 .Distinct()
                 .Except(_environmentVariablesToKeep);
             
-            foreach (var envVar in environmentVariablesToRemove)
-            {
-                Console.WriteLine($"evr: {envVar}");
-            }
-
             return environmentVariablesToRemove;
         }
     }