diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h
index 00b3a07628..3088eaa1f6 100644
--- a/src/soc/intel/alderlake/chip.h
+++ b/src/soc/intel/alderlake/chip.h
@@ -353,15 +353,6 @@ struct soc_intel_alderlake_config {
 	 */
 	uint8_t serial_io_gspi_cs_state[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
 
-	/* Debug interface selection */
-	enum {
-		DEBUG_INTERFACE_RAM = (1 << 0),
-		DEBUG_INTERFACE_UART_8250IO = (1 << 1),
-		DEBUG_INTERFACE_USB3 = (1 << 3),
-		DEBUG_INTERFACE_LPSS_SERIAL_IO = (1 << 4),
-		DEBUG_INTERFACE_TRACEHUB = (1 << 5),
-	} debug_interface_flag;
-
 	/* Enable Pch iSCLK */
 	uint8_t pch_isclk;
 
diff --git a/src/soc/intel/alderlake/romstage/fsp_params.c b/src/soc/intel/alderlake/romstage/fsp_params.c
index 82fb67cda2..f8bdb41f2a 100644
--- a/src/soc/intel/alderlake/romstage/fsp_params.c
+++ b/src/soc/intel/alderlake/romstage/fsp_params.c
@@ -177,9 +177,6 @@ static void fill_fspm_security_params(FSP_M_CONFIG *m_cfg,
 static void fill_fspm_uart_params(FSP_M_CONFIG *m_cfg,
 		const struct soc_intel_alderlake_config *config)
 {
-	/* UART Debug Log */
-	m_cfg->PcdDebugInterfaceFlags = CONFIG(DRIVERS_UART_8250IO) ?
-			DEBUG_INTERFACE_UART_8250IO : DEBUG_INTERFACE_LPSS_SERIAL_IO;
 	if (CONFIG(DRIVERS_UART_8250IO))
 		m_cfg->PcdIsaSerialUartBase = ISA_SERIAL_BASE_ADDR_3F8;
 	m_cfg->SerialIoUartDebugMode = PchSerialIoSkipInit;