diff --git a/sys/dev/ncv/ncr53c500var.h b/sys/dev/ncv/ncr53c500var.h
index 6ba7ef14bb7..6d5edce9cae 100644
--- a/sys/dev/ncv/ncr53c500var.h
+++ b/sys/dev/ncv/ncr53c500var.h
@@ -95,7 +95,7 @@ void ncvattachsubr(struct ncv_softc *);
 int ncvprint(void *, const char *);
 int ncvintr(void *);
 
-#if	defined(__i386__)
+#if	defined(__i386__) && 0
 #define	SOFT_INTR_REQUIRED(slp)	(softintr((slp)->sl_irq))
 #else	/* !__i386__ */
 #define	SOFT_INTR_REQUIRED(slp)
diff --git a/sys/dev/nsp/nspvar.h b/sys/dev/nsp/nspvar.h
index db8e4a8cffe..57614084834 100644
--- a/sys/dev/nsp/nspvar.h
+++ b/sys/dev/nsp/nspvar.h
@@ -105,7 +105,7 @@ void nspattachsubr(struct nsp_softc *);
 int nspprint(void *, const char *);
 int nspintr(void *);
 
-#if	defined(__i386__)
+#if	defined(__i386__) && 0
 #define	SOFT_INTR_REQUIRED(slp)	(softintr((slp)->sl_irq))
 #else	/* !__i386__ */
 #define	SOFT_INTR_REQUIRED(slp)
diff --git a/sys/dev/stg/tmc18c30var.h b/sys/dev/stg/tmc18c30var.h
index 520e7d008dc..d6bc4ac4cc4 100644
--- a/sys/dev/stg/tmc18c30var.h
+++ b/sys/dev/stg/tmc18c30var.h
@@ -103,7 +103,7 @@ void stgattachsubr(struct stg_softc *);
 int stgprint(void *, const char *);
 int stgintr(void *);
 
-#if	defined(__i386__)
+#if	defined(__i386__) && 0
 #define	SOFT_INTR_REQUIRED(slp)	(softintr((slp)->sl_irq))
 #else	/* !__i386__ */
 #define	SOFT_INTR_REQUIRED(slp)