diff --git a/libuavcan/src/protocol/uc_global_time_sync_master.cpp b/libuavcan/src/protocol/uc_global_time_sync_master.cpp
index 3d37189759..5a29d72daf 100644
--- a/libuavcan/src/protocol/uc_global_time_sync_master.cpp
+++ b/libuavcan/src/protocol/uc_global_time_sync_master.cpp
@@ -2,6 +2,9 @@
  * Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
  */
 
+#include <uavcan/impl_constants.hpp>
+#if !UAVCAN_TINY
+
 #include <cstdlib>
 #include <cassert>
 #include <uavcan/protocol/global_time_sync_master.hpp>
@@ -192,3 +195,5 @@ int GlobalTimeSyncMaster::publish()
 }
 
 }
+
+#endif
diff --git a/libuavcan/src/protocol/uc_network_compat_checker.cpp b/libuavcan/src/protocol/uc_network_compat_checker.cpp
index fc0e9506dc..2aa367fac1 100644
--- a/libuavcan/src/protocol/uc_network_compat_checker.cpp
+++ b/libuavcan/src/protocol/uc_network_compat_checker.cpp
@@ -2,6 +2,9 @@
  * Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
  */
 
+#include <uavcan/impl_constants.hpp>
+#if !UAVCAN_TINY
+
 #include <cassert>
 #include <uavcan/debug.hpp>
 #include <uavcan/protocol/network_compat_checker.hpp>
@@ -194,3 +197,5 @@ int NetworkCompatibilityChecker::publishGlobalDiscoveryRequest(INode& node)
 }
 
 }
+
+#endif
diff --git a/libuavcan/src/protocol/uc_transport_stats_provider.cpp b/libuavcan/src/protocol/uc_transport_stats_provider.cpp
index be56f7f82e..a8da9160b9 100644
--- a/libuavcan/src/protocol/uc_transport_stats_provider.cpp
+++ b/libuavcan/src/protocol/uc_transport_stats_provider.cpp
@@ -2,6 +2,9 @@
  * Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
  */
 
+#include <uavcan/impl_constants.hpp>
+#if !UAVCAN_TINY
+
 #include <uavcan/protocol/transport_stats_provider.hpp>
 
 namespace uavcan
@@ -33,3 +36,5 @@ int TransportStatsProvider::start()
 }
 
 }
+
+#endif