diff --git a/share/man/man9/swi.9 b/share/man/man9/swi.9
--- a/share/man/man9/swi.9
+++ b/share/man/man9/swi.9
@@ -37,7 +37,6 @@
 .In sys/interrupt.h
 .Vt "extern struct intr_event *tty_intr_event" ;
 .Vt "extern struct intr_event *clk_intr_event" ;
-.Vt "extern void *vm_ih" ;
 .Ft int
 .Fo swi_add
 .Fa "struct intr_event **eventp"
@@ -169,10 +168,6 @@
 .Fn setdelayed
 can be obtained in conjunction with
 .Dv SWI_DELAY .
-The
-.Va vm_ih
-handler cookie is used to schedule software interrupt threads to run for the
-VM subsystem.
 .Sh RETURN VALUES
 The
 .Fn swi_add
diff --git a/sys/sys/interrupt.h b/sys/sys/interrupt.h
--- a/sys/sys/interrupt.h
+++ b/sys/sys/interrupt.h
@@ -154,7 +154,6 @@
 
 extern struct	intr_event *clk_intr_event;
 extern struct	intr_event *tty_intr_event;
-extern void	*vm_ih;
 
 /* Counts and names for statistics (defined in MD code). */
 extern u_long 	*intrcnt;	/* counts for each device and stray */