diff --git a/src/network/core/core.h b/src/network/core/core.h
--- a/src/network/core/core.h
+++ b/src/network/core/core.h
@@ -17,8 +17,6 @@
 #include "../../newgrf_config.h"
 #include "config.h"
 
-#ifdef ENABLE_NETWORK
-
 bool NetworkCoreInitialize();
 void NetworkCoreShutdown();
 
@@ -80,6 +78,4 @@ public:
 	void SendCompanyInformation(Packet *p, const struct Company *c, const struct NetworkCompanyStats *stats, uint max_len = NETWORK_COMPANY_NAME_LENGTH);
 };
 
-#endif /* ENABLE_NETWORK */
-
 #endif /* NETWORK_CORE_CORE_H */