diff --git a/appl/login/tty.c b/appl/login/tty.c
index ff1bd3bc7..c2e0c7eeb 100644
--- a/appl/login/tty.c
+++ b/appl/login/tty.c
@@ -44,10 +44,10 @@ RCSID("$Id$");
  * Clean the tty name.  Return a pointer to the cleaned version.
  */
 
-const char *
-clean_ttyname (const char *tty)
+char *
+clean_ttyname (char *tty)
 {
-  const char *res = tty;
+  char *res = tty;
 
   if (strncmp (res, _PATH_DEV, strlen(_PATH_DEV)) == 0)
     res += strlen(_PATH_DEV);
@@ -62,10 +62,10 @@ clean_ttyname (const char *tty)
  * Generate a name usable as an `ut_id', typically without `tty'.
  */
 
-const char *
-make_id (const char *tty)
+char *
+make_id (char *tty)
 {
-  const char *res = tty;
+  char *res = tty;
   
   if (strncmp (res, "pts/", 4) == 0)
     res += 4;
diff --git a/appl/telnet/telnetd/sys_term.c b/appl/telnet/telnetd/sys_term.c
index 7d57a20dc..19b70f59c 100644
--- a/appl/telnet/telnetd/sys_term.c
+++ b/appl/telnet/telnetd/sys_term.c
@@ -1058,10 +1058,10 @@ int login_tty(int t)
  * Clean the tty name.  Return a pointer to the cleaned version.
  */
 
-static const char *
-clean_ttyname (const char *tty)
+static char *
+clean_ttyname (char *tty)
 {
-  const char *res = tty;
+  char *res = tty;
 
   if (strncmp (res, _PATH_DEV, strlen(_PATH_DEV)) == 0)
     res += strlen(_PATH_DEV);