1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/sbus/char/aurora.c b/drivers/sbus/char/aurora.c
index 92e6c5639dd3..015db40ad8a4 100644
--- a/drivers/sbus/char/aurora.c
+++ b/drivers/sbus/char/aurora.c
@@ -92,7 +92,6 @@ static struct Aurora_port aurora_port[AURORA_TNPORTS] =  {
 
 /* no longer used. static struct Aurora_board * IRQ_to_board[16] = { NULL, } ;*/
 static unsigned char * tmp_buf = NULL;
-static DECLARE_MUTEX(tmp_buf_sem);
 
 DECLARE_TASK_QUEUE(tq_aurora);