diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 162a09f43c..6b90c0c1da 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,7 @@
 2004-02-21  Mark Kettenis  <kettenis@gnu.org>
 
+	* config/i386/obsd.mh (MH_FLAGS): Remove.
+
 	Fix PR build/1549.
 	* i386obsd-tdep.c: Update copyright years.  Include
 	"solib-svr4.h".
diff --git a/gdb/config/i386/obsd.mh b/gdb/config/i386/obsd.mh
index 316f04f923..7a9d89e530 100644
--- a/gdb/config/i386/obsd.mh
+++ b/gdb/config/i386/obsd.mh
@@ -4,7 +4,3 @@ XM_FILE= xm-i386.h
 
 NAT_FILE= nm-obsd.h
 NATDEPFILES= fork-child.o infptrace.o inftarg.o i386bsd-nat.o i386obsd-nat.o
-
-# The OpenBSD yacc generates yyname and yyrule tables that conflict at
-# link time if we define YYDEBUG to a non-zero value.
-MH_CFLAGS= -DYYDEBUG=0