1 files changed, 0 insertions, 1 deletions

diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 3477a858eaa9..1223f2c844b4 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -35,7 +35,6 @@ struct line {
         spinlock_t count_lock;
         int valid;
 
-        struct mutex open_mutex;
         char *init_str;
         int init_pri;
         struct list_head chan_list;