diff --git a/target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c b/target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c
index 2d4cc65ccf2777959b274c2ff9ca36633b0cb380..a98752b76253454c55507892442aac1ffd80f94f 100644
--- a/target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c
+++ b/target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c
@@ -307,26 +307,13 @@ struct pci_ops mt7621_pci_ops= {
 	.write		= pci_config_write,
 };
 
-static struct resource mt7621_res_pci_mem1 = {
-	.name		= "PCI MEM1",
-	.start		= RALINK_PCI_MM_MAP_BASE,
-	.end		= (u32)((RALINK_PCI_MM_MAP_BASE + (unsigned char *)0x0fffffff)),
-	.flags		= IORESOURCE_MEM,
-};
-static struct resource mt7621_res_pci_io1 = {
-	.name		= "PCI I/O1",
-	.start		= RALINK_PCI_IO_MAP_BASE,
-	.end		= (u32)((RALINK_PCI_IO_MAP_BASE + (unsigned char *)0x0ffff)),
-	.flags		= IORESOURCE_IO,
-};
+static struct resource mt7621_res_pci_mem1;
+static struct resource mt7621_res_pci_io1;
 
 static struct pci_controller mt7621_controller = {
 	.pci_ops	= &mt7621_pci_ops,
 	.mem_resource	= &mt7621_res_pci_mem1,
 	.io_resource	= &mt7621_res_pci_io1,
-	.mem_offset	= 0x00000000UL,
-	.io_offset	= 0x00000000UL,
-	.io_map_base	= 0xa0000000,
 };
 
 static void