diff --git a/drivers/staging/unisys/include/uisthread.h b/drivers/staging/unisys/include/uisthread.h
index aa86ade7cb13..52c3eb4ded2c 100644
--- a/drivers/staging/unisys/include/uisthread.h
+++ b/drivers/staging/unisys/include/uisthread.h
@@ -27,7 +27,6 @@
 struct uisthread_info {
 	struct task_struct *task;
 	int id;
-	int should_stop;
 	struct completion has_stopped;
 };
 
diff --git a/drivers/staging/unisys/uislib/uisthread.c b/drivers/staging/unisys/uislib/uisthread.c
index 20a2a1bb1ba4..d54005d8f50d 100644
--- a/drivers/staging/unisys/uislib/uisthread.c
+++ b/drivers/staging/unisys/uislib/uisthread.c
@@ -24,8 +24,6 @@
 #include "uisutils.h"
 #include "uisthread.h"
 
-#define KILL(a, b, c) kill_pid(find_vpid(a), b, c)
-
 /* this is shorter than using __FILE__ (full path name) in
  * debug/info/error messages
  */