diff --git a/drivers/usb/usbport/usb2.c b/drivers/usb/usbport/usb2.c
index a3c0d1449db..5e0ace37c69 100644
--- a/drivers/usb/usbport/usb2.c
+++ b/drivers/usb/usbport/usb2.c
@@ -250,6 +250,27 @@ USB2_InitTtEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint,
     TtEndpoint->Tt = Tt;
 }
 
+BOOLEAN
+NTAPI
+USB2_AllocateHS(IN PUSB2_TT_ENDPOINT TtEndpoint,
+                IN ULONG Frame)
+{
+    DPRINT("USB2_AllocateHS: UNIMPLEMENTED FIXME\n");
+    return FALSE;
+}
+
+BOOLEAN
+NTAPI
+USB2_DeallocateEndpointBudget(IN PUSB2_TT_ENDPOINT TtEndpoint,
+                              IN PUSB2_REBALANCE Rebalance,
+                              IN PULONG RebalanceListEntries,
+                              IN ULONG MaxFrames)
+{
+    DPRINT("USB2_DeallocateEndpointBudget: UNIMPLEMENTED FIXME\n");
+    ASSERT(FALSE);
+    return FALSE;
+}
+
 BOOLEAN
 NTAPI
 USB2_AllocateTimeForEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint,