diff --git a/drivers/staging/unisys/common-spar/include/channels/iochannel.h b/drivers/staging/unisys/common-spar/include/channels/iochannel.h
index 0e446c06605c..51373a182e0d 100644
--- a/drivers/staging/unisys/common-spar/include/channels/iochannel.h
+++ b/drivers/staging/unisys/common-spar/include/channels/iochannel.h
@@ -76,10 +76,7 @@
 				   "vswitch", MIN_IO_CHANNEL_SIZE,	\
 				   ULTRA_VSWITCH_CHANNEL_PROTOCOL_VERSIONID, \
 				   ULTRA_VSWITCH_CHANNEL_PROTOCOL_SIGNATURE))
-#define ULTRA_VSWITCH_CHANNEL_OK_SERVER(actualBytes)          \
-	(spar_check_channel_server(UltraVswitchChannelProtocolGuid,	\
-				    "vswitch", MIN_IO_CHANNEL_SIZE,	\
-				    actualBytes))
+
 /*
 * Everything necessary to handle SCSI & NIC traffic between Guest Partition and
 * IO Partition is defined below.  */