diff --git a/Example.Frontend/Program.cs b/Example.Frontend/Program.cs
index de23bb0..7a6ce5a 100644
--- a/Example.Frontend/Program.cs
+++ b/Example.Frontend/Program.cs
@@ -86,14 +86,12 @@ class Program
                 DemoCheck.EventCallback = true;
             };
             Console.WriteLine("Printer created");
-            Thread.Sleep(100);
 
             frontendBridge.Obstacle();
             var name = disposingPrinter.GetName();
             DemoCheck.BasicNonParamsCall = true;
             Console.WriteLine("Printer name : {0}", name);
 
-            Thread.Sleep(100);
 
             disposingPrinter.SomeoneIsApproaching("Mikhail");
             Console.WriteLine("Approaching detected");
@@ -102,17 +100,14 @@ class Program
             factory.Register(disposingPrinter);
             DemoCheck.ClientBasedImplementation = true;
             Console.WriteLine("Registered printer");
-            Thread.Sleep(100);
 
 
             var registered = factory.GetFirstPrinter();
             Console.WriteLine("First printer");
-            Thread.Sleep(100);
 
             Console.WriteLine(registered);
             Console.WriteLine("Collecting all printers");
             var names = factory.CollectAllNames();
-            Thread.Sleep(100);
 
             Console.WriteLine("Names: " + string.Join(", ", names));
 
diff --git a/mROA/Implementation/ChannelInteractionModule.cs b/mROA/Implementation/ChannelInteractionModule.cs
index 6b41ec0..1f90654 100644
--- a/mROA/Implementation/ChannelInteractionModule.cs
+++ b/mROA/Implementation/ChannelInteractionModule.cs
@@ -170,6 +170,9 @@ namespace mROA.Implementation
                 }
 
                 var message = meta.ToMessage(_buffer.Span);
+#if TRACE
+                Console.WriteLine("RECV " + message);
+#endif
                 MessageReceived(message);
             }
 
@@ -188,6 +191,9 @@ namespace mROA.Implementation
                 message.Data.CopyTo(_buffer.Span[19..]);
                 var sendingSpan = _buffer[..(19 + meta.BodyLength)];
                 await _ioStream.WriteAsync(sendingSpan, token);
+                #if TRACE
+                Console.WriteLine("SEND " + message);
+                #endif
                 // _logger.LogTrace("SEND {0}", message.ToString());
             }
 
diff --git a/mROA/mROA.csproj b/mROA/mROA.csproj
index 6e47d56..aded77c 100644
--- a/mROA/mROA.csproj
+++ b/mROA/mROA.csproj
@@ -22,7 +22,7 @@
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
-        <DefineConstants></DefineConstants>
+        <DefineConstants>;</DefineConstants>
     </PropertyGroup>
 
     <ItemGroup>