diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 7183355d12ca..46ad048a1ab6 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -409,9 +409,6 @@ struct rtdPrivate {
 	/* read back data */
 	unsigned int aoValue[2];	/* Used for AO read back */
 
-	/* timer gate (when enabled) */
-	u8 utcGate[4];		/* 1 extra allows simple range check */
-
 	unsigned fifoLen;
 };