diff --git a/drivers/staging/unisys/common-spar/include/channels/iochannel.h b/drivers/staging/unisys/common-spar/include/channels/iochannel.h
index 1fb7174fc597..520fd3f3e8cc 100644
--- a/drivers/staging/unisys/common-spar/include/channels/iochannel.h
+++ b/drivers/staging/unisys/common-spar/include/channels/iochannel.h
@@ -71,12 +71,6 @@
 				   ULTRA_VNIC_CHANNEL_PROTOCOL_VERSIONID, \
 				   ULTRA_VNIC_CHANNEL_PROTOCOL_SIGNATURE))
 
-#define SPAR_VSWITCH_CHANNEL_OK_CLIENT(pChannel, logCtx)		\
-	(spar_check_channel_client(pChannel, UltraVswitchChannelProtocolGuid, \
-				   "vswitch", MIN_IO_CHANNEL_SIZE,	\
-				   ULTRA_VSWITCH_CHANNEL_PROTOCOL_VERSIONID, \
-				   ULTRA_VSWITCH_CHANNEL_PROTOCOL_SIGNATURE))
-
 /*
 * Everything necessary to handle SCSI & NIC traffic between Guest Partition and
 * IO Partition is defined below.  */