diff --git a/src/soc/intel/skylake/chip.c b/src/soc/intel/skylake/chip.c
index 4909ea4ccb..8002270ed9 100644
--- a/src/soc/intel/skylake/chip.c
+++ b/src/soc/intel/skylake/chip.c
@@ -824,18 +824,3 @@ void soc_display_silicon_init_params(const SILICON_INIT_UPD *original,
 		original->FastPkgCRampDisable,
 		params->FastPkgCRampDisable);
 }
-
-static void pci_set_subsystem(device_t dev, unsigned int vendor,
-	unsigned int device)
-{
-	if (!vendor || !device)
-		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
-				   pci_read_config32(dev, PCI_VENDOR_ID));
-	else
-		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
-				   (device << 16) | vendor);
-}
-
-struct pci_operations soc_pci_ops = {
-	.set_subsystem = &pci_set_subsystem
-};
diff --git a/src/soc/intel/skylake/chip_fsp20.c b/src/soc/intel/skylake/chip_fsp20.c
index 8e5cc2a627..f4060b2d99 100644
--- a/src/soc/intel/skylake/chip_fsp20.c
+++ b/src/soc/intel/skylake/chip_fsp20.c
@@ -293,10 +293,6 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 	soc_irq_settings(params);
 }
 
-struct pci_operations soc_pci_ops = {
-	.set_subsystem = &pci_dev_set_subsystem
-};
-
 /* Mainboard GPIO Configuration */
 __attribute__((weak)) void mainboard_silicon_init_params(FSP_S_CONFIG *params)
 {
diff --git a/src/soc/intel/skylake/include/fsp11/soc/ramstage.h b/src/soc/intel/skylake/include/fsp11/soc/ramstage.h
index 1dba445a20..3ab0efa7e5 100644
--- a/src/soc/intel/skylake/include/fsp11/soc/ramstage.h
+++ b/src/soc/intel/skylake/include/fsp11/soc/ramstage.h
@@ -29,7 +29,6 @@ void soc_irq_settings(FSP_SIL_UPD *params);
 void soc_init_pre_device(void *chip_info);
 void soc_fsp_load(void);
 const char *soc_acpi_name(const struct device *dev);
-extern struct pci_operations soc_pci_ops;
 
 /* Get igd framebuffer bar */
 uintptr_t fsp_soc_get_igd_bar(void);
diff --git a/src/soc/intel/skylake/include/fsp20/soc/ramstage.h b/src/soc/intel/skylake/include/fsp20/soc/ramstage.h
index 69439149b3..23443c33d3 100644
--- a/src/soc/intel/skylake/include/fsp20/soc/ramstage.h
+++ b/src/soc/intel/skylake/include/fsp20/soc/ramstage.h
@@ -32,6 +32,4 @@ void soc_init_pre_device(void *chip_info);
 void soc_irq_settings(FSP_SIL_UPD *params);
 const char *soc_acpi_name(const struct device *dev);
 
-extern struct pci_operations soc_pci_ops;
-
 #endif