diff --git a/sys/dev/pci/pci_host_generic.c b/sys/dev/pci/pci_host_generic.c
index 54710da6979a..14fa16e6c768 100644
--- a/sys/dev/pci/pci_host_generic.c
+++ b/sys/dev/pci/pci_host_generic.c
@@ -99,6 +99,8 @@ static int generic_pcie_read_ivar(device_t dev, device_t child, int index,
     uintptr_t *result);
 static int generic_pcie_write_ivar(device_t dev, device_t child, int index,
     uintptr_t value);
+
+#if defined(__aarch64__)
 static void pci_host_generic_apply_quirks(device_t);
 static void thunderx2_ahci_bar_quirk(device_t);
 
@@ -114,6 +116,7 @@ struct pci_host_generic_block_entry pci_host_generic_blocked[] =
 	{CPU_IMPL_CAVIUM, CPU_PART_THUNDERX2, 0, 0, 0x80, 0x10},
 	{0, 0, 0, 0, 0, 0}
 };
+#endif
 
 int
 pci_host_generic_core_attach(device_t dev)
@@ -168,11 +171,14 @@ pci_host_generic_core_attach(device_t dev)
 		return (error);
 	}
 
+#if defined(__aarch64__)
 	pci_host_generic_apply_quirks(dev);
+#endif
 
 	return (0);
 }
 
+#if defined(__aarch64__)
 static void
 pci_host_generic_apply_quirks(device_t dev)
 {
@@ -191,6 +197,7 @@ pci_host_generic_apply_quirks(device_t dev)
 		quirk++;
 	}
 }
+#endif
 
 static uint32_t
 generic_pcie_read_config(device_t dev, u_int bus, u_int slot,
@@ -201,12 +208,15 @@ generic_pcie_read_config(device_t dev, u_int bus, u_int slot,
 	bus_space_tag_t	t;
 	uint64_t offset;
 	uint32_t data;
+#if defined(__aarch64__)
 	struct pci_host_generic_block_entry *block;
+#endif
 
 	if ((bus > PCI_BUSMAX) || (slot > PCI_SLOTMAX) ||
 	    (func > PCI_FUNCMAX) || (reg > PCIE_REGMAX))
 		return (~0U);
 
+#if defined(__aarch64__)
 	block = pci_host_generic_blocked;
 	while (1) {
 		if (block->impl == 0)
@@ -219,6 +229,7 @@ generic_pcie_read_config(device_t dev, u_int bus, u_int slot,
 
 		block++;
 	}
+#endif
 
 	sc = device_get_softc(dev);
 
@@ -462,6 +473,7 @@ static device_method_t generic_pcie_methods[] = {
 DEFINE_CLASS_0(pcib, generic_pcie_core_driver,
     generic_pcie_methods, sizeof(struct generic_pcie_core_softc));
 
+#if defined(__aarch64__)
 static void thunderx2_ahci_bar_quirk(device_t dev)
 {
 
@@ -478,3 +490,4 @@ static void thunderx2_ahci_bar_quirk(device_t dev)
 		PCIB_WRITE_CONFIG(dev, 0, 16, 1, 0x1c, 0x40, 4);
 	}
 }
+#endif