diff --git a/Makefile.dj b/Makefile.dj
index 7ba303ff..b87d1bfa 100644
--- a/Makefile.dj
+++ b/Makefile.dj
@@ -10,7 +10,7 @@ TOPDIR = ..
 include ../packages/DOS/common.dj
 include Makefile.inc
 
-CFLAGS += -DHAVE_CONFIG_H -DWATT32
+CFLAGS += -DWATT32
 
 LDFLAGS = -s