diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3490da170a..292ce0035d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2011-01-13  Joel Brobecker  <brobecker@adacore.com>
+
+	* hpux-thread.c (hpux_pid_to_str): Delete.
+
 2011-01-13  Joel Brobecker  <brobecker@adacore.com>
 
 	* ada-valprint.c (ada_emit_char): Remove strange code.
diff --git a/gdb/hpux-thread.c b/gdb/hpux-thread.c
index 478b3db400..a747ab596d 100644
--- a/gdb/hpux-thread.c
+++ b/gdb/hpux-thread.c
@@ -522,19 +522,6 @@ hpux_thread_stop (ptid_t ptid)
   deprecated_child_ops.to_stop (ptid);
 }
 
-/* Convert a pid to printable form.  */
-
-char *
-hpux_pid_to_str (ptid_t ptid)
-{
-  static char buf[100];
-  int pid = PIDGET (ptid);
-
-  sprintf (buf, "Thread %ld", ptid_get_tid (ptid));
-
-  return buf;
-}
-
 static void
 init_hpux_thread_ops (void)
 {