Index: uspace/drv/bus/usb/ohci/res.c
===================================================================
--- uspace/drv/bus/usb/ohci/res.c	(revision 88205440caa3e827197cd095139acca02b989d5e)
+++ uspace/drv/bus/usb/ohci/res.c	(revision f9b2cb4cf365498e1fe141b1aa66950fbc3dcb17)
@@ -57,6 +57,6 @@
 
 	async_sess_t *parent_sess =
-	    devman_parent_device_connect(EXCHANGE_SERIALIZE,
-	    ddf_dev_get_handle(dev), IPC_FLAG_BLOCKING);
+	    devman_parent_device_connect(ddf_dev_get_handle(dev),
+	    IPC_FLAG_BLOCKING);
 	if (!parent_sess)
 		return ENOMEM;
@@ -93,6 +93,6 @@
 {
 	async_sess_t *parent_sess =
-	    devman_parent_device_connect(EXCHANGE_SERIALIZE,
-	    ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
+	    devman_parent_device_connect(ddf_dev_get_handle(device),
+	    IPC_FLAG_BLOCKING);
 	if (!parent_sess)
 		return ENOMEM;