diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index fc04d3d..1a0fd65 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -2047,10 +2047,8 @@
 {
 	if (codec->hw_initialized)
 		snd_ali_disable_address_interrupt(codec);
-	if (codec->irq >= 0) {
-		synchronize_irq(codec->irq);
+	if (codec->irq >= 0)
 		free_irq(codec->irq, codec);
-	}
 	if (codec->port)
 		pci_release_regions(codec->pci);
 	pci_disable_device(codec->pci);