diff --git a/include/sound/core.h b/include/sound/core.h
index 5ab255f..cea1b54 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -417,6 +417,7 @@
 #define gameport_get_port_data(gp) (gp)->port_data
 #endif
 
+#ifdef CONFIG_PCI
 /* PCI quirk list helper */
 struct snd_pci_quirk {
 	unsigned short subvendor;	/* PCI subvendor ID */
@@ -456,5 +457,6 @@
 const struct snd_pci_quirk *
 snd_pci_quirk_lookup_id(u16 vendor, u16 device,
 			const struct snd_pci_quirk *list);
+#endif
 
 #endif /* __SOUND_CORE_H */