diff --git a/drivers/staging/greybus/es1.c b/drivers/staging/greybus/es1.c
index 2b4bb075b9e6..e44bf6cf895c 100644
--- a/drivers/staging/greybus/es1.c
+++ b/drivers/staging/greybus/es1.c
@@ -48,9 +48,6 @@ static DEFINE_KFIFO(apb1_log_fifo, char, APB1_LOG_SIZE);
  */
 #define NUM_CPORT_OUT_URB	8
 
-/* vendor request AP message */
-#define REQUEST_SVC		0x01
-
 /* vendor request APB1 log */
 #define REQUEST_LOG		0x02
 
diff --git a/drivers/staging/greybus/es2.c b/drivers/staging/greybus/es2.c
index 834ccd4e23b8..cd33aa7e6d42 100644
--- a/drivers/staging/greybus/es2.c
+++ b/drivers/staging/greybus/es2.c
@@ -48,9 +48,6 @@ static DEFINE_KFIFO(apb1_log_fifo, char, APB1_LOG_SIZE);
  */
 #define NUM_CPORT_OUT_URB	(8 * NUM_BULKS)
 
-/* vendor request AP message */
-#define REQUEST_SVC		0x01
-
 /* vendor request APB1 log */
 #define REQUEST_LOG		0x02