diff --git a/gzip.c b/gzip.c

index 5d14022..e63cb44 100644

--- a/gzip.c

+++ b/gzip.c

@@ -74,6 +74,7 @@ static char const *const license_msg[] = {

 #include "ignore-value.h"

 #include "stat-time.h"

 #include "version.h"

+#include "yesno.h"

                 /* configuration */

diff --git a/gzip.h b/gzip.h

index b88cefb..c696914 100644

--- a/gzip.h

+++ b/gzip.h

@@ -325,5 +325,3 @@ extern void fprint_off    (FILE *, off_t, int);

         /* in inflate.c */

 extern int inflate (void);

-        /* in yesno.c */

-extern int yesno (void);