diff --git a/sys/dev/usb/ohci.c b/sys/dev/usb/ohci.c
index 961088f1be5..38dab89b7cf 100644
--- a/sys/dev/usb/ohci.c
+++ b/sys/dev/usb/ohci.c
@@ -1034,12 +1034,8 @@ ohci_intr1(sc)
 		intrs = OREAD4(sc, OHCI_INTERRUPT_STATUS);
 	}
 
-	if (intrs == 0) {
-		/* nothing to be done ?! */
-		printf("%s: interrupt, but not for us\n",
-		       USBDEVNAME(sc->sc_bus.bdev));
+	if (intrs == 0)		/* nothing to be done (PCI shared interrupt) */
 		return (0);
-	}
 
 	intrs &= ~OHCI_MIE;	/* mask out Master Interrupt Enable */
 
diff --git a/sys/dev/usb/uhci.c b/sys/dev/usb/uhci.c
index d6b68c6b9ce..5ae607007f5 100644
--- a/sys/dev/usb/uhci.c
+++ b/sys/dev/usb/uhci.c
@@ -934,7 +934,7 @@ uhci_intr(void *arg)
 #endif
 
 	status = UREAD2(sc, UHCI_STS);
-	if (status == 0)	/* The interrupt was not for us. */
+	if (status == 0)	/* nothing to be done (PCI shared interrupt) */
 		return (0);
 
 #if defined(DIAGNOSTIC) && defined(__NetBSD__)