diff --git a/lib/libcurses/curses.h b/lib/libcurses/curses.h
index 62d9bc567e21..1e7a8b81c5bd 100644
--- a/lib/libcurses/curses.h
+++ b/lib/libcurses/curses.h
@@ -367,6 +367,7 @@ int	 __waddch __P((WINDOW *, __LDATA *));
 #define	max(a,b)	(a > b ? a : b)
 
 /* Private externs. */
+extern char      DB;
 extern int	 __echoit;
 extern int	 __endwin;
 extern int	 __pfast;
diff --git a/lib/libcurses/refresh.c b/lib/libcurses/refresh.c
index ab834f007a9f..4cb87a3a760c 100644
--- a/lib/libcurses/refresh.c
+++ b/lib/libcurses/refresh.c
@@ -39,8 +39,6 @@ static char sccsid[] = "@(#)refresh.c	8.4 (Berkeley) 8/4/94";
 
 #include "curses.h"
 
-extern char DB;
-
 static int curwin;
 static short ly, lx;
 
diff --git a/lib/libcurses/setterm.c b/lib/libcurses/setterm.c
index 5761cfef323b..ddb5871e4a80 100644
--- a/lib/libcurses/setterm.c
+++ b/lib/libcurses/setterm.c
@@ -44,8 +44,6 @@ static char sccsid[] = "@(#)setterm.c	8.7 (Berkeley) 7/27/94";
 
 #include "curses.h"
 
-extern char DB;
-
 #undef ospeed
 extern short ospeed;