diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index dc2803b5eb09c35fa25c75fd376474e42a327b03..c91481d74a144fd2ae2810a2f778b30a63e78310 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -56,9 +56,7 @@
 
 #define MAX_NAME_LEN		64
 
-#define CHASE_TIMEOUT		(5*HZ)		/* 5 seconds */
 #define OPEN_TIMEOUT		(5*HZ)		/* 5 seconds */
-#define COMMAND_TIMEOUT		(5*HZ)		/* 5 seconds */
 
 /* receive port state */
 enum RXSTATE {