diff --git a/drivers/staging/greybus/connection.c b/drivers/staging/greybus/connection.c
index 6f0d3e98f800..a774f677279a 100644
--- a/drivers/staging/greybus/connection.c
+++ b/drivers/staging/greybus/connection.c
@@ -14,8 +14,8 @@
 
 static DEFINE_SPINLOCK(gb_connections_lock);
 
-struct gb_connection *gb_connection_hd_find(struct greybus_host_device *hd,
-						u16 cport_id)
+static struct gb_connection *
+gb_connection_hd_find(struct greybus_host_device *hd, u16 cport_id)
 {
 	struct gb_connection *connection = NULL;
 	unsigned long flags;
diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h
index d39d476d6492..acf91835486d 100644
--- a/drivers/staging/greybus/connection.h
+++ b/drivers/staging/greybus/connection.h
@@ -51,9 +51,6 @@ void gb_connection_destroy(struct gb_connection *connection);
 int gb_connection_init(struct gb_connection *connection);
 void gb_connection_exit(struct gb_connection *connection);
 
-struct gb_connection *gb_connection_hd_find(struct greybus_host_device *hd,
-				u16 cport_id);
-
 void greybus_data_rcvd(struct greybus_host_device *hd, u16 cport_id,
 			u8 *data, size_t length);