diff --git a/sys/modules/ncp/Makefile b/sys/modules/ncp/Makefile
index 4b63ca8c7306..f68602f4f7fc 100644
--- a/sys/modules/ncp/Makefile
+++ b/sys/modules/ncp/Makefile
@@ -19,7 +19,6 @@ CFLAGS+= -DNCPBURST
 .endif
 
 NOMAN=
-CFLAGS+= -DNCP
 
 opt_inet.h:
 	touch ${.TARGET}