diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c
index 4de9faa877a2a116f5edd5dce3db8af7e4388467..99f487283174df2604730a8f7b9d03f1a318a3c2 100644
--- a/drivers/staging/comedi/drivers/dt9812.c
+++ b/drivers/staging/comedi/drivers/dt9812.c
@@ -234,25 +234,6 @@ struct dt9812_usb_cmd {
 		struct dt9812_write_multi write_multi_info;
 		struct dt9812_rmw_multi rmw_multi_info;
 	} u;
-#if 0
-	WRITE_BYTE_INFO WriteByteInfo;
-	READ_BYTE_INFO ReadByteInfo;
-	WRITE_MULTI_INFO WriteMultiInfo;
-	READ_MULTI_INFO ReadMultiInfo;
-	RMW_BYTE_INFO RMWByteInfo;
-	RMW_MULTI_INFO RMWMultiInfo;
-	DAC_THRESHOLD_INFO DacThresholdInfo;
-	INT_ON_CHANGE_MASK_INFO IntOnChangeMaskInfo;
-	CGL_INFO CglInfo;
-	SUBSYSTEM_INFO SubsystemInfo;
-	CAL_POT_CMD CalPotCmd;
-	WRITE_DEV_BYTE_INFO WriteDevByteInfo;
-	READ_DEV_BYTE_INFO ReadDevByteInfo;
-	WRITE_DEV_MULTI_INFO WriteDevMultiInfo;
-	READ_DEV_MULTI_INFO ReadDevMultiInfo;
-	READ_SINGLE_VALUE_INFO ReadSingleValueInfo;
-	WRITE_SINGLE_VALUE_INFO WriteSingleValueInfo;
-#endif
 };
 
 struct dt9812_private {