diff --git a/ripngd/ripng_debug.c b/ripngd/ripng_debug.c
index 78f13a7..33a7cf6 100644
--- a/ripngd/ripng_debug.c
+++ b/ripngd/ripng_debug.c
@@ -45,19 +45,16 @@
     {
       if (IS_RIPNG_DEBUG_SEND && IS_RIPNG_DEBUG_RECV)
 	{
-	  vty_out (vty, "  RIPng packet%s debugging is on%s",
-		   IS_RIPNG_DEBUG_DETAIL ? " detail" : "",
+	  vty_out (vty, "  RIPng packet debugging is on%s",
 		   VTY_NEWLINE);
 	}
       else
 	{
 	  if (IS_RIPNG_DEBUG_SEND)
-	    vty_out (vty, "  RIPng packet send%s debugging is on%s",
-		     IS_RIPNG_DEBUG_DETAIL ? " detail" : "",
+	    vty_out (vty, "  RIPng packet send debugging is on%s",
 		     VTY_NEWLINE);
 	  else
-	    vty_out (vty, "  RIPng packet receive%s debugging is on%s",
-		     IS_RIPNG_DEBUG_DETAIL ? " detail" : "",
+	    vty_out (vty, "  RIPng packet receive debugging is on%s",
 		     VTY_NEWLINE);
 	}
     }
@@ -106,11 +103,13 @@
     ripng_debug_packet |= RIPNG_DEBUG_SEND;
   if (strncmp ("recv", argv[0], strlen (argv[0])) == 0)
     ripng_debug_packet |= RIPNG_DEBUG_RECV;
-  ripng_debug_packet &= ~RIPNG_DEBUG_DETAIL;
+
   return CMD_SUCCESS;
 }
 
-DEFUN (debug_ripng_packet_detail,
+/* N.B. the "detail" modifier is a no-op.  we leave this command
+   for legacy compatibility. */
+DEFUN_DEPRECATED (debug_ripng_packet_detail,
        debug_ripng_packet_detail_cmd,
        "debug ripng packet (recv|send) detail",
        DEBUG_STR
@@ -125,7 +124,7 @@
     ripng_debug_packet |= RIPNG_DEBUG_SEND;
   if (strncmp ("recv", argv[0], strlen (argv[0])) == 0)
     ripng_debug_packet |= RIPNG_DEBUG_RECV;
-  ripng_debug_packet |= RIPNG_DEBUG_DETAIL;
+
   return CMD_SUCCESS;
 }
 
@@ -225,20 +224,17 @@
     {
       if (IS_RIPNG_DEBUG_SEND && IS_RIPNG_DEBUG_RECV)
 	{
-	  vty_out (vty, "debug ripng packet%s%s",
-		   IS_RIPNG_DEBUG_DETAIL ? " detail" : "",
+	  vty_out (vty, "debug ripng packet%s",
 		   VTY_NEWLINE);
 	  write++;
 	}
       else
 	{
 	  if (IS_RIPNG_DEBUG_SEND)
-	    vty_out (vty, "debug ripng packet send%s%s",
-		     IS_RIPNG_DEBUG_DETAIL ? " detail" : "",
+	    vty_out (vty, "debug ripng packet send%s",
 		     VTY_NEWLINE);
 	  else
-	    vty_out (vty, "debug ripng packet recv%s%s",
-		     IS_RIPNG_DEBUG_DETAIL ? " detail" : "",
+	    vty_out (vty, "debug ripng packet recv%s",
 		     VTY_NEWLINE);
 	  write++;
 	}
diff --git a/ripngd/ripng_debug.h b/ripngd/ripng_debug.h
index f5ed6ea..674345c 100644
--- a/ripngd/ripng_debug.h
+++ b/ripngd/ripng_debug.h
@@ -29,7 +29,6 @@
 #define RIPNG_DEBUG_PACKET  0x01
 #define RIPNG_DEBUG_SEND    0x20
 #define RIPNG_DEBUG_RECV    0x40
-#define RIPNG_DEBUG_DETAIL  0x80
 
 #define RIPNG_DEBUG_ZEBRA   0x01
 
@@ -39,7 +38,6 @@
 #define IS_RIPNG_DEBUG_PACKET (ripng_debug_packet & RIPNG_DEBUG_PACKET)
 #define IS_RIPNG_DEBUG_SEND   (ripng_debug_packet & RIPNG_DEBUG_SEND)
 #define IS_RIPNG_DEBUG_RECV   (ripng_debug_packet & RIPNG_DEBUG_RECV)
-#define IS_RIPNG_DEBUG_DETAIL (ripng_debug_packet & RIPNG_DEBUG_DETAIL)
 
 #define IS_RIPNG_DEBUG_ZEBRA  (ripng_debug_zebra & RIPNG_DEBUG_ZEBRA)