diff --git a/drivers/staging/comedi/drivers/ii_pci20kc.c b/drivers/staging/comedi/drivers/ii_pci20kc.c
index 273034a71464bed9da8e95ecb3d2befe43628e43..056afdf1165a5c3617f6e7d8f814c9f2203f937c 100644
--- a/drivers/staging/comedi/drivers/ii_pci20kc.c
+++ b/drivers/staging/comedi/drivers/ii_pci20kc.c
@@ -186,8 +186,6 @@ struct pci20xxx_private {
 	void __iomem *ioaddr;
 };
 
-#define CHAN (CR_CHAN(it->chanlist[0]))
-
 /* pci20006m */
 
 static int pci20006_insn_read(struct comedi_device *dev,