diff --git a/CMakeLists.txt b/CMakeLists.txt
index ea3e68b..7bff075 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -121,6 +121,13 @@ set(SOURCE_FILES
         src/protocol/buffers_allocator_c.cpp
         src/protocol/CryptHandler.cpp
         src/protocol/CompressionHandler.cpp
+        src/protocol/ringbuffer.cpp
+        src/protocol/AcknowledgeManager.cpp
+        src/protocol/PacketLossCalculator.cpp
+        src/protocol/RawCommand.cpp
+        src/protocol/PacketDecoder.cpp
+        src/protocol/PingHandler.cpp
+        src/protocol/PacketStatistics.cpp
 
         src/Properties.cpp
         src/Error.cpp
@@ -134,13 +141,6 @@ set(SOURCE_FILES
         src/bbcode/bbcodes.cpp
 
         src/channel/TreeView.cpp
-        src/protocol/ringbuffer.cpp
-        src/protocol/AcknowledgeManager.cpp
-        src/protocol/PacketLossCalculator.cpp
-        src/protocol/RawCommand.cpp
-        src/protocol/PacketDecoder.cpp
-        src/protocol/PingHandler.cpp
-        src/protocol/PacketStatistics.cpp
 )
 
 set(HEADER_FILES
@@ -189,6 +189,7 @@ endif()
 if(FEATURE_LOGGING)
     set(SOURCE_FILES ${SOURCE_FILES} src/misc/memtracker.cpp)
     set(HEADER_FILES ${HEADER_FILES} src/misc/memtracker.h)
+    add_definitions(-DFEATURE_MEMTRACK)
 else()
     message("Missing logging support. Don't build mem tracker")
 endif()
diff --git a/src/misc/memtracker.h b/src/misc/memtracker.h
index 0cdc2d5..dd0b4de 100644
--- a/src/misc/memtracker.h
+++ b/src/misc/memtracker.h
@@ -5,7 +5,7 @@
 
 namespace memtrack {
 #define TRACK_OBJECT_ALLOCATION
-#ifdef TRACK_OBJECT_ALLOCATION
+#if defined(FEATURE_MEMTRACK) && defined(TRACK_OBJECT_ALLOCATION)
     extern void allocated(const char* name, void* address);
     extern void freed(const char* name, void* address);
     template <typename T>
diff --git a/src/protocol/PacketDecoder.h b/src/protocol/PacketDecoder.h
index a98647e..1a71671 100644
--- a/src/protocol/PacketDecoder.h
+++ b/src/protocol/PacketDecoder.h
@@ -12,10 +12,6 @@ namespace ts::connection {
     class CryptHandler;
 }
 
-namespace ts::stats {
-    class ConnectionStatistics;
-}
-
 namespace ts::protocol {
     enum struct PacketProcessResult {
         SUCCESS,