diff --git a/src/soc/intel/common/block/include/intelblocks/lpc_lib.h b/src/soc/intel/common/block/include/intelblocks/lpc_lib.h
index fc5ce8e357..bf5c2f68f6 100644
--- a/src/soc/intel/common/block/include/intelblocks/lpc_lib.h
+++ b/src/soc/intel/common/block/include/intelblocks/lpc_lib.h
@@ -56,8 +56,6 @@ uint16_t lpc_get_fixed_io_decode(void);
 uint16_t lpc_set_fixed_io_ranges(uint16_t io_ranges, uint16_t mask);
 /* Open a generic IO window to the LPC bus. Four windows are available. */
 void lpc_open_pmio_window(uint16_t base, uint16_t size);
-/* Close all generic IO windows to the LPC bus. */
-void lpc_close_pmio_windows(void);
 /* Open a generic MMIO window to the LPC bus. One window is available. */
 void lpc_open_mmio_window(uintptr_t base, size_t size);
 /* Init SoC Specific LPC features. Common definition will be weak and
diff --git a/src/soc/intel/common/block/lpc/lpc_lib.c b/src/soc/intel/common/block/lpc/lpc_lib.c
index 6c300a2d52..28c435cce6 100644
--- a/src/soc/intel/common/block/lpc/lpc_lib.c
+++ b/src/soc/intel/common/block/lpc/lpc_lib.c
@@ -60,14 +60,6 @@ static int find_unused_pmio_window(void)
 	return -1;
 }
 
-void lpc_close_pmio_windows(void)
-{
-	size_t i;
-
-	for (i = 0; i < LPC_NUM_GENERIC_IO_RANGES; i++)
-		pci_write_config32(PCH_DEV_LPC, LPC_GENERIC_IO_RANGE(i), 0);
-}
-
 void lpc_open_pmio_window(uint16_t base, uint16_t size)
 {
 	int i, lgir_reg_num;