diff --git a/src/soc/intel/alderlake/Makefile.inc b/src/soc/intel/alderlake/Makefile.inc
index 415c2b1..2055870 100644
--- a/src/soc/intel/alderlake/Makefile.inc
+++ b/src/soc/intel/alderlake/Makefile.inc
@@ -46,7 +46,6 @@
 ramstage-y += vr_config.c
 ramstage-y += xhci.c
 ramstage-$(CONFIG_SOC_INTEL_CRASHLOG) += crashlog.c
-ramstage-y += smbios.c
 
 smm-y += elog.c
 smm-y += p2sb.c
diff --git a/src/soc/intel/alderlake/smbios.c b/src/soc/intel/alderlake/smbios.c
deleted file mode 100644
index 4269258..0000000
--- a/src/soc/intel/alderlake/smbios.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <intelblocks/cpulib.h>
-#include <intelblocks/msr.h>
-#include <smbios.h>
-
-/* Provide the max turbo frequency of the CPU */
-unsigned int smbios_cpu_get_max_speed_mhz(void)
-{
-	return cpu_get_max_turbo_ratio() * CONFIG_CPU_BCLK_MHZ;
-}
diff --git a/src/soc/intel/common/block/cpu/cpulib.c b/src/soc/intel/common/block/cpu/cpulib.c
index 1c7a173..5332d01 100644
--- a/src/soc/intel/common/block/cpu/cpulib.c
+++ b/src/soc/intel/common/block/cpu/cpulib.c
@@ -517,3 +517,9 @@
 
 	wrmsr(MSR_CORE_MKTME_ACTIVATION, msr);
 }
+
+/* Provide the max turbo frequency of the CPU */
+unsigned int smbios_cpu_get_max_speed_mhz(void)
+{
+	return cpu_get_max_turbo_ratio() * CONFIG_CPU_BCLK_MHZ;
+}
diff --git a/src/soc/intel/xeon_sp/cpx/Makefile.inc b/src/soc/intel/xeon_sp/cpx/Makefile.inc
index d2a1583..593c339f 100644
--- a/src/soc/intel/xeon_sp/cpx/Makefile.inc
+++ b/src/soc/intel/xeon_sp/cpx/Makefile.inc
@@ -9,7 +9,7 @@
 romstage-$(CONFIG_DISPLAY_UPD_DATA) += upd_display.c
 romstage-$(CONFIG_DISPLAY_HOBS) += hob_display.c
 
-ramstage-y += chip.c cpu.c soc_util.c ramstage.c soc_acpi.c
+ramstage-y += chip.c cpu.c soc_util.c soc_acpi.c
 ramstage-$(CONFIG_DISPLAY_HOBS) += hob_display.c
 ramstage-$(CONFIG_DISPLAY_UPD_DATA) += upd_display.c
 
diff --git a/src/soc/intel/xeon_sp/cpx/ramstage.c b/src/soc/intel/xeon_sp/cpx/ramstage.c
deleted file mode 100644
index cd1b038..0000000
--- a/src/soc/intel/xeon_sp/cpx/ramstage.c
+++ /dev/null
@@ -1,8 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <smbios.h>
-
-unsigned int smbios_cpu_get_max_speed_mhz(void)
-{
-	return 3900;
-}