diff --git a/drivers/staging/comedi/drivers/mite.h b/drivers/staging/comedi/drivers/mite.h
index cf45f88486e9..620de2e9c2ee 100644
--- a/drivers/staging/comedi/drivers/mite.h
+++ b/drivers/staging/comedi/drivers/mite.h
@@ -22,8 +22,6 @@
 #include <linux/log2.h>
 #include "../comedi_pci.h"
 
-#define PCIMIO_COMPAT
-
 #define MAX_MITE_DMA_CHANNELS 8
 
 struct mite_dma_descriptor {