Index: head/share/man/man4/cm.4
===================================================================
--- head/share/man/man4/cm.4
+++ head/share/man/man4/cm.4
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 16, 2005
+.Dd March 29, 2018
 .Dt CM 4
 .Os
 .Sh NAME
@@ -46,6 +46,12 @@
 .Bd -literal -offset indent
 if_cm_load="YES"
 .Ed
+.Sh DEPRECATION NOTICE
+The
+.Nm
+driver is not present in
+.Fx 12.0
+and later.
 .Sh DESCRIPTION
 The
 .Nm
Index: head/share/man/man4/fpa.4
===================================================================
--- head/share/man/man4/fpa.4
+++ head/share/man/man4/fpa.4
@@ -4,7 +4,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 15, 2017
+.Dd March 29, 2018
 .Dt FPA 4
 .Os
 .Sh NAME
@@ -16,6 +16,12 @@
 .Fx
 only:
 .Cd "device fddi"
+.Sh DEPRECATION NOTICE
+The
+.Nm
+driver is not present in
+.Fx 12.0
+and later.
 .Sh DESCRIPTION
 The
 .Nm
Index: head/sys/dev/cm/if_cm_isa.c
===================================================================
--- head/sys/dev/cm/if_cm_isa.c
+++ head/sys/dev/cm/if_cm_isa.c
@@ -113,6 +113,7 @@
 	if (error)
 		goto err;
 
+	gone_in_dev(dev, 12, "cm(4) driver");
 	return 0;
 
 err:
Index: head/sys/dev/pdq/if_fpa.c
===================================================================
--- head/sys/dev/pdq/if_fpa.c
+++ head/sys/dev/pdq/if_fpa.c
@@ -158,6 +158,7 @@
     }
 
 
+    gone_in_dev(dev, 12, "fpa(4) driver");
     return (0);
 bad:
     pdq_free(dev);