diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index ccee930f1e1225f8d2918cedd84793ac30b3c007..2590c2279fa79f685e5d8a81eeb99d216e87f2e8 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -51,13 +51,6 @@ struct sil24_sge {
 	__le32	flags;
 };
 
-/*
- * Port multiplier
- */
-struct sil24_port_multiplier {
-	__le32	diag;
-	__le32	sactive;
-};
 
 enum {
 	SIL24_HOST_BAR		= 0,