diff --git a/src/soc/intel/jasperlake/bootblock/report_platform.c b/src/soc/intel/jasperlake/bootblock/report_platform.c
index beab7822c82d..a588b75945a1 100644
--- a/src/soc/intel/jasperlake/bootblock/report_platform.c
+++ b/src/soc/intel/jasperlake/bootblock/report_platform.c
@@ -12,7 +12,6 @@
 #include <soc/bootblock.h>
 #include <soc/pch.h>
 #include <soc/pci_devs.h>
-#include <string.h>
 
 static struct {
 	u32 cpuid;
diff --git a/src/soc/intel/xeon_sp/acpi.c b/src/soc/intel/xeon_sp/acpi.c
index 5e5267de8aea..9da1b145952c 100644
--- a/src/soc/intel/xeon_sp/acpi.c
+++ b/src/soc/intel/xeon_sp/acpi.c
@@ -4,7 +4,6 @@
 #include <intelblocks/acpi.h>
 #include <soc/pci_devs.h>
 #include <soc/util.h>
-#include <string.h>
 
 #include "chip.h"
 
diff --git a/src/soc/intel/xeon_sp/cpx/soc_util.c b/src/soc/intel/xeon_sp/cpx/soc_util.c
index 280bedcd7752..7a8403e23c44 100644
--- a/src/soc/intel/xeon_sp/cpx/soc_util.c
+++ b/src/soc/intel/xeon_sp/cpx/soc_util.c
@@ -9,7 +9,6 @@
 #include <soc/soc_util.h>
 #include <soc/util.h>
 #include <stdlib.h>
-#include <string.h>
 
 const struct SystemMemoryMapHob *get_system_memory_map(void)
 {