diff --git a/drivers/staging/comedi/drivers/ni_labpc_cs.c b/drivers/staging/comedi/drivers/ni_labpc_cs.c
index 334fa78cc29d..c45988120124 100644
--- a/drivers/staging/comedi/drivers/ni_labpc_cs.c
+++ b/drivers/staging/comedi/drivers/ni_labpc_cs.c
@@ -59,8 +59,6 @@ NI manuals:
 
 */
 
-#undef LABPC_DEBUG  /* debugging messages */
-
 #include "../comedidev.h"
 
 #include <linux/delay.h>