diff --git a/kernel/trunk/bus/usb/ehci.inc b/kernel/trunk/bus/usb/ehci.inc
index 2576a36382..bdc4f863fd 100644
--- a/kernel/trunk/bus/usb/ehci.inc
+++ b/kernel/trunk/bus/usb/ehci.inc
@@ -520,7 +520,6 @@ end if
         call    delay_ms
         pop     esi
 @@:
-        DEBUGF 1,'K : EHCI %x: command = %x, status = %x\n',esi,[edi+EhciCommandReg],[edi+EhciStatusReg]
 ; 9. Return pointer to usb_controller.
         xchg    eax, esi
         ret
@@ -739,7 +738,6 @@ end virtual
         mov     edi, [esi+ehci_controller.MMIOBase2-sizeof.ehci_controller]
         spin_lock_irqsave [esi+usb_controller.WaitSpinlock]
         mov     eax, [edi+EhciStatusReg]
-        mov     ecx, eax
 ;       DEBUGF 1,'K : [%d] EHCI status %x\n',[timer_ticks],eax
 ; 3. Check whether that interrupt has been generated by our controller.
 ; (One IRQ can be shared by several devices.)
@@ -750,7 +748,6 @@ end virtual
 ; new events could arise while we are processing those, this way we won't lose
 ; them (the controller would generate another interrupt after completion
 ; of this one).
-        DEBUGF 1,'K : EHCI %x interrupt: status = %x, enable = %x\n',esi,ecx,[edi+EhciInterruptReg]
 ;       DEBUGF 1,'K : EHCI interrupt: status = %x\n',eax
         mov     [edi+EhciStatusReg], eax
 ; 5. Sanity check.