diff --git a/src/soc/intel/common/block/include/intelblocks/uart.h b/src/soc/intel/common/block/include/intelblocks/uart.h
index 87fdf68868..fd65f4c85e 100644
--- a/src/soc/intel/common/block/include/intelblocks/uart.h
+++ b/src/soc/intel/common/block/include/intelblocks/uart.h
@@ -23,12 +23,6 @@ struct uart_gpio_pad_config {
  * 4. SOC will allow common code to set UART into legacy mode if supported.
  */
 
-/*
- * Common routine to initialize UART controller PCI config space, take it out of
- * reset and configure M/N dividers.
- */
-void uart_common_init(const struct device *dev, uintptr_t baseaddr);
-
 /*
  * Check if UART debug controller is initialized
  * Returns:
diff --git a/src/soc/intel/common/block/uart/uart.c b/src/soc/intel/common/block/uart/uart.c
index 75c16d4625..1e205ef07f 100644
--- a/src/soc/intel/common/block/uart/uart.c
+++ b/src/soc/intel/common/block/uart/uart.c
@@ -58,7 +58,7 @@ static int uart_get_valid_index(void)
 	return UART_CONSOLE_INVALID_INDEX;
 }
 
-void uart_common_init(const struct device *device, uintptr_t baseaddr)
+static void uart_common_init(const struct device *device, uintptr_t baseaddr)
 {
 #if defined(__SIMPLE_DEVICE__)
 	pci_devfn_t dev = PCI_BDF(device);