diff --git a/sys/pci/if_sis.c b/sys/pci/if_sis.c
index 9f7bb1e1ee45..a8c2e16a69b9 100644
--- a/sys/pci/if_sis.c
+++ b/sys/pci/if_sis.c
@@ -425,9 +425,6 @@ static int sis_miibus_writereg(dev, phy, reg, data)
 		return(0);
 	}
 
-	if (sc->sis_type == SIS_TYPE_900 && phy != 0)
-		return(0);
-
 	if (sc->sis_type == SIS_TYPE_900 && phy != 0)
 		return(0);