diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 76a3010b8b74..a49560145d78 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1423,12 +1423,7 @@ struct urb_priv {
 	struct	xhci_td	td[];
 };
 
-/*
- * Each segment table entry is 4*32bits long.  1K seems like an ok size:
- * (1K bytes * 8bytes/bit) / (4*32 bits) = 64 segment entries in the table,
- * meaning 64 ring segments.
- * Reasonable limit for number of Event Ring segments (spec allows 32k)
- */
+/* Reasonable limit for number of Event Ring segments (spec allows 32k) */
 #define	ERST_MAX_SEGS	2
 /* Poll every 60 seconds */
 #define	POLL_TIMEOUT	60