diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index 16032cdb4337..42bb5757d1b9 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -46,7 +46,6 @@
 #include <linux/timer.h>
 #include <linux/io.h>
 #include <linux/kfifo.h>
-#include <linux/mutex.h>
 
 #include <asm/byteorder.h>