diff --git a/src/arch/arm64/smbios.c b/src/arch/arm64/smbios.c
index 8042057..a8d0523 100644
--- a/src/arch/arm64/smbios.c
+++ b/src/arch/arm64/smbios.c
@@ -6,7 +6,6 @@
 #include <console/console.h>
 #include <smbios.h>
 #include <stdio.h>
-#include <string.h>
 
 static void smbios_processor_id(u32 *processor_id)
 {
diff --git a/src/arch/riscv/include/vm.h b/src/arch/riscv/include/vm.h
index c1894c7..9219f10 100644
--- a/src/arch/riscv/include/vm.h
+++ b/src/arch/riscv/include/vm.h
@@ -3,7 +3,6 @@
 #ifndef _VM_H
 #define _VM_H
 
-#include <string.h>
 #include <stdint.h>
 #include <arch/encoding.h>
 
diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c
index f42de71..ef2c19a 100644
--- a/src/arch/x86/smbios.c
+++ b/src/arch/x86/smbios.c
@@ -1,6 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <string.h>
 #include <smbios.h>
 #include <console/console.h>
 #include <arch/cpu.h>
diff --git a/src/console/vsprintf.c b/src/console/vsprintf.c
index 4ffc677..086ed7c 100644
--- a/src/console/vsprintf.c
+++ b/src/console/vsprintf.c
@@ -2,7 +2,6 @@
 
 #include <console/vtxprintf.h>
 #include <stdio.h>
-#include <string.h>
 
 struct vsnprintf_context {
 	char *str_buf;
diff --git a/src/drivers/acpi/thermal_zone/thermal_zone.c b/src/drivers/acpi/thermal_zone/thermal_zone.c
index b1016cd..e491f75 100644
--- a/src/drivers/acpi/thermal_zone/thermal_zone.c
+++ b/src/drivers/acpi/thermal_zone/thermal_zone.c
@@ -7,7 +7,6 @@
 #include <device/device.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 
 #include "chip.h"
 
diff --git a/src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c b/src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c
index 28377a1..5f43e4f 100644
--- a/src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c
+++ b/src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c
@@ -4,7 +4,7 @@
 #include <acpi/acpigen.h>
 #include <device/device.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 #include <console/console.h>
 
diff --git a/src/drivers/generic/gpio_keys/gpio_keys.c b/src/drivers/generic/gpio_keys/gpio_keys.c
index 97a4e05..f5df0c4 100644
--- a/src/drivers/generic/gpio_keys/gpio_keys.c
+++ b/src/drivers/generic/gpio_keys/gpio_keys.c
@@ -4,7 +4,6 @@
 #include <acpi/acpigen.h>
 #include <device/device.h>
 #include <stdio.h>
-#include <string.h>
 
 #include "chip.h"
 
diff --git a/src/drivers/i2c/generic/generic.c b/src/drivers/i2c/generic/generic.c
index a3d8ef2..98c59e6 100644
--- a/src/drivers/i2c/generic/generic.c
+++ b/src/drivers/i2c/generic/generic.c
@@ -8,7 +8,7 @@
 #include <device/device.h>
 #include <gpio.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 
 #if CONFIG(HAVE_ACPI_TABLES)
diff --git a/src/drivers/i2c/gpiomux/bus/bus.c b/src/drivers/i2c/gpiomux/bus/bus.c
index 8efcf21..2e2d685 100644
--- a/src/drivers/i2c/gpiomux/bus/bus.c
+++ b/src/drivers/i2c/gpiomux/bus/bus.c
@@ -5,7 +5,6 @@
 #include <console/console.h>
 #include <device/device.h>
 #include <stdio.h>
-#include <string.h>
 
 #include "chip.h"
 
diff --git a/src/drivers/i2c/gpiomux/mux/mux.c b/src/drivers/i2c/gpiomux/mux/mux.c
index a7dcd64..1e1ea45 100644
--- a/src/drivers/i2c/gpiomux/mux/mux.c
+++ b/src/drivers/i2c/gpiomux/mux/mux.c
@@ -5,7 +5,6 @@
 #include <console/console.h>
 #include <device/device.h>
 #include <stdio.h>
-#include <string.h>
 
 #include "chip.h"
 
diff --git a/src/drivers/i2c/hid/hid.c b/src/drivers/i2c/hid/hid.c
index 06b31d1..c91b04a 100644
--- a/src/drivers/i2c/hid/hid.c
+++ b/src/drivers/i2c/hid/hid.c
@@ -5,7 +5,7 @@
 #include <assert.h>
 #include <device/device.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 #include <gpio.h>
 #include <console/console.h>
diff --git a/src/drivers/i2c/sx9310/sx9310.c b/src/drivers/i2c/sx9310/sx9310.c
index a4bdb15..19eda30 100644
--- a/src/drivers/i2c/sx9310/sx9310.c
+++ b/src/drivers/i2c/sx9310/sx9310.c
@@ -6,7 +6,7 @@
 #include <device/i2c_simple.h>
 #include <device/device.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 
 #define I2C_SX9310_ACPI_ID	"STH9310"
diff --git a/src/drivers/i2c/sx9324/sx9324.c b/src/drivers/i2c/sx9324/sx9324.c
index 041991e..f2753ea 100644
--- a/src/drivers/i2c/sx9324/sx9324.c
+++ b/src/drivers/i2c/sx9324/sx9324.c
@@ -6,7 +6,7 @@
 #include <device/i2c_simple.h>
 #include <device/device.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 
 #define I2C_SX9324_ACPI_ID	"STH9324"
diff --git a/src/drivers/i2c/sx9360/sx9360.c b/src/drivers/i2c/sx9360/sx9360.c
index d72f28d..63180c7 100644
--- a/src/drivers/i2c/sx9360/sx9360.c
+++ b/src/drivers/i2c/sx9360/sx9360.c
@@ -6,7 +6,7 @@
 #include <device/i2c_simple.h>
 #include <device/device.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 
 #define I2C_SX9360_ACPI_ID	"STH9360"
diff --git a/src/drivers/intel/gma/acpi.c b/src/drivers/intel/gma/acpi.c
index 534c0d8..9211100 100644
--- a/src/drivers/intel/gma/acpi.c
+++ b/src/drivers/intel/gma/acpi.c
@@ -2,7 +2,7 @@
 
 #include <acpi/acpigen.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "i915.h"
 
 void
diff --git a/src/drivers/intel/usb4/retimer/retimer.c b/src/drivers/intel/usb4/retimer/retimer.c
index 3c867d4..3769fc9 100644
--- a/src/drivers/intel/usb4/retimer/retimer.c
+++ b/src/drivers/intel/usb4/retimer/retimer.c
@@ -8,7 +8,7 @@
 #include <drivers/usb/acpi/chip.h>
 #include <gpio.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 #include "retimer.h"
 
diff --git a/src/drivers/nxp/uwb/uwb.c b/src/drivers/nxp/uwb/uwb.c
index 3c4fac1..8a451c4 100644
--- a/src/drivers/nxp/uwb/uwb.c
+++ b/src/drivers/nxp/uwb/uwb.c
@@ -7,7 +7,7 @@
 #include <device/spi.h>
 #include <spi-generic.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 
 static int spi_acpi_get_bus(const struct device *dev)
diff --git a/src/drivers/spi/acpi/acpi.c b/src/drivers/spi/acpi/acpi.c
index 75d6dc9..6d92776 100644
--- a/src/drivers/spi/acpi/acpi.c
+++ b/src/drivers/spi/acpi/acpi.c
@@ -7,7 +7,7 @@
 #include <device/spi.h>
 #include <spi-generic.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 
 static int spi_acpi_get_bus(const struct device *dev)
diff --git a/src/drivers/uart/acpi/acpi.c b/src/drivers/uart/acpi/acpi.c
index 716d522..bfa50c6 100644
--- a/src/drivers/uart/acpi/acpi.c
+++ b/src/drivers/uart/acpi/acpi.c
@@ -4,7 +4,7 @@
 #include <acpi/acpigen.h>
 #include <console/console.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 
 static bool uart_acpi_add_gpios_to_crs(struct drivers_uart_acpi_config *config)
diff --git a/src/ec/google/chromeec/i2c_tunnel/i2c_tunnel.c b/src/ec/google/chromeec/i2c_tunnel/i2c_tunnel.c
index fc6b759..4fa32e6 100644
--- a/src/ec/google/chromeec/i2c_tunnel/i2c_tunnel.c
+++ b/src/ec/google/chromeec/i2c_tunnel/i2c_tunnel.c
@@ -6,7 +6,7 @@
 #include <device/device.h>
 #include <device/path.h>
 #include <stdio.h>
-#include <string.h>
+
 #include "chip.h"
 
 #define CROS_EC_I2C_TUNNEL_HID		"GOOG0012"
diff --git a/src/include/bootstate.h b/src/include/bootstate.h
index 30231ce..ab055af 100644
--- a/src/include/bootstate.h
+++ b/src/include/bootstate.h
@@ -3,7 +3,6 @@
 #define BOOTSTATE_H
 
 #include <assert.h>
-#include <string.h>
 #include <stddef.h>
 /* Only declare main() when in ramstage. */
 #if ENV_RAMSTAGE
diff --git a/src/include/rmodule.h b/src/include/rmodule.h
index bf26ad0..72faecc 100644
--- a/src/include/rmodule.h
+++ b/src/include/rmodule.h
@@ -4,7 +4,6 @@
 
 #include <stdint.h>
 #include <stddef.h>
-#include <string.h>
 #include <commonlib/rmodule-defs.h>
 
 enum {
diff --git a/src/lib/smbios_defaults.c b/src/lib/smbios_defaults.c
index 56bddab..0ad6442 100644
--- a/src/lib/smbios_defaults.c
+++ b/src/lib/smbios_defaults.c
@@ -4,7 +4,6 @@
 #include <smbios.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <string.h>
 
 /* this function will fill the corresponding locator */
 __weak void smbios_fill_dimm_locator(const struct dimm_info *dimm, struct smbios_type17 *t)
diff --git a/src/mainboard/google/fizz/mainboard.c b/src/mainboard/google/fizz/mainboard.c
index 257a27f..795d96e 100644
--- a/src/mainboard/google/fizz/mainboard.c
+++ b/src/mainboard/google/fizz/mainboard.c
@@ -15,7 +15,6 @@
 #include <soc/pci_devs.h>
 #include <soc/nhlt.h>
 #include <stdio.h>
-#include <string.h>
 #include <timer.h>
 
 #include <variant/gpio.h>
diff --git a/src/mainboard/google/gru/sdram_configs.c b/src/mainboard/google/gru/sdram_configs.c
index 971b671..02790b0 100644
--- a/src/mainboard/google/gru/sdram_configs.c
+++ b/src/mainboard/google/gru/sdram_configs.c
@@ -6,7 +6,6 @@
 #include <gpio.h>
 #include <soc/sdram.h>
 #include <stdio.h>
-#include <string.h>
 #include <types.h>
 
 static const char *sdram_configs[] = {
diff --git a/src/mainboard/google/kahlee/mainboard.c b/src/mainboard/google/kahlee/mainboard.c
index 1290b97..685414e 100644
--- a/src/mainboard/google/kahlee/mainboard.c
+++ b/src/mainboard/google/kahlee/mainboard.c
@@ -1,7 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <amdblocks/acpi.h>
-#include <string.h>
 #include <console/console.h>
 #include <device/device.h>
 #include <device/mmio.h>
diff --git a/src/mainboard/google/kukui/mainboard.c b/src/mainboard/google/kukui/mainboard.c
index bc70db5..22f8150 100644
--- a/src/mainboard/google/kukui/mainboard.c
+++ b/src/mainboard/google/kukui/mainboard.c
@@ -20,7 +20,6 @@
 #include <soc/spm.h>
 #include <soc/usb.h>
 #include <stdio.h>
-#include <string.h>
 
 #include "gpio.h"
 #include "panel.h"
diff --git a/src/mainboard/google/poppy/variants/nami/mainboard.c b/src/mainboard/google/poppy/variants/nami/mainboard.c
index 172581f..7bdfb5e 100644
--- a/src/mainboard/google/poppy/variants/nami/mainboard.c
+++ b/src/mainboard/google/poppy/variants/nami/mainboard.c
@@ -14,7 +14,6 @@
 #include <smbios.h>
 #include <soc/ramstage.h>
 #include <stdio.h>
-#include <string.h>
 #include <variant/sku.h>
 #include <gpio.h>
 #include <delay.h>
diff --git a/src/mainboard/google/poppy/variants/nautilus/mainboard.c b/src/mainboard/google/poppy/variants/nautilus/mainboard.c
index d21acd6..b77513b 100644
--- a/src/mainboard/google/poppy/variants/nautilus/mainboard.c
+++ b/src/mainboard/google/poppy/variants/nautilus/mainboard.c
@@ -7,7 +7,6 @@
 #include <device/pci_ops.h>
 #include <smbios.h>
 #include <stdio.h>
-#include <string.h>
 #include <variant/sku.h>
 
 #define R_PCH_OC_WDT_CTL		0x54
diff --git a/src/mainboard/google/poppy/variants/rammus/mainboard.c b/src/mainboard/google/poppy/variants/rammus/mainboard.c
index e8c7e69..7eafebc 100644
--- a/src/mainboard/google/poppy/variants/rammus/mainboard.c
+++ b/src/mainboard/google/poppy/variants/rammus/mainboard.c
@@ -4,7 +4,6 @@
 #include <ec/google/chromeec/ec.h>
 #include <smbios.h>
 #include <stdio.h>
-#include <string.h>
 #include <sar.h>
 
 #define SKU_UNKNOWN     0xFFFFFFFF
diff --git a/src/mainboard/google/reef/mainboard.c b/src/mainboard/google/reef/mainboard.c
index 4b1b32d..964fc1c 100644
--- a/src/mainboard/google/reef/mainboard.c
+++ b/src/mainboard/google/reef/mainboard.c
@@ -11,7 +11,6 @@
 #include <smbios.h>
 #include <soc/nhlt.h>
 #include <stdio.h>
-#include <string.h>
 #include <variant/ec.h>
 #include <variant/gpio.h>
 
diff --git a/src/mainboard/intel/adlrvp/mainboard.c b/src/mainboard/intel/adlrvp/mainboard.c
index f6321e8..c02cbf9 100644
--- a/src/mainboard/intel/adlrvp/mainboard.c
+++ b/src/mainboard/intel/adlrvp/mainboard.c
@@ -12,7 +12,6 @@
 #include <soc/gpio.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <string.h>
 
 #include "board_id.h"
 
diff --git a/src/mainboard/intel/avenuecity_crb/romstage.c b/src/mainboard/intel/avenuecity_crb/romstage.c
index 9cd8ccc..f0e67af 100644
--- a/src/mainboard/intel/avenuecity_crb/romstage.c
+++ b/src/mainboard/intel/avenuecity_crb/romstage.c
@@ -9,7 +9,6 @@
 #include <soc/ddr.h>
 #include <soc/iio.h>
 #include <soc/romstage.h>
-#include <string.h>
 
 #include "chip.h"
 
diff --git a/src/mainboard/intel/beechnutcity_crb/romstage.c b/src/mainboard/intel/beechnutcity_crb/romstage.c
index 9cd8ccc..f0e67af 100644
--- a/src/mainboard/intel/beechnutcity_crb/romstage.c
+++ b/src/mainboard/intel/beechnutcity_crb/romstage.c
@@ -9,7 +9,6 @@
 #include <soc/ddr.h>
 #include <soc/iio.h>
 #include <soc/romstage.h>
-#include <string.h>
 
 #include "chip.h"
 
diff --git a/src/mainboard/intel/mtlrvp/mainboard.c b/src/mainboard/intel/mtlrvp/mainboard.c
index 85c2dd4..93cec47 100644
--- a/src/mainboard/intel/mtlrvp/mainboard.c
+++ b/src/mainboard/intel/mtlrvp/mainboard.c
@@ -9,7 +9,6 @@
 #include <smbios.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <string.h>
 
 const char *smbios_system_sku(void)
 {
diff --git a/src/mainboard/intel/tglrvp/mainboard.c b/src/mainboard/intel/tglrvp/mainboard.c
index 8f38ca2..b15f2c1 100644
--- a/src/mainboard/intel/tglrvp/mainboard.c
+++ b/src/mainboard/intel/tglrvp/mainboard.c
@@ -7,7 +7,6 @@
 #include <soc/gpio.h>
 #include <smbios.h>
 #include <stdio.h>
-#include <string.h>
 
 const char *smbios_system_sku(void)
 {
diff --git a/src/mainboard/kontron/986lcd-m/mainboard.c b/src/mainboard/kontron/986lcd-m/mainboard.c
index 01815ed..bd50fc3 100644
--- a/src/mainboard/kontron/986lcd-m/mainboard.c
+++ b/src/mainboard/kontron/986lcd-m/mainboard.c
@@ -1,6 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <string.h>
 #include <types.h>
 #include <device/device.h>
 #include <console/console.h>
diff --git a/src/mainboard/pcengines/apu2/mainboard.c b/src/mainboard/pcengines/apu2/mainboard.c
index b21c7ed..242ad9d 100644
--- a/src/mainboard/pcengines/apu2/mainboard.c
+++ b/src/mainboard/pcengines/apu2/mainboard.c
@@ -17,7 +17,6 @@
 #include <superio/nuvoton/nct5104d/nct5104d.h>
 #include <smbios.h>
 #include <stdio.h>
-#include <string.h>
 #include <AGESA.h>
 #include "gpio_ftns.h"
 
diff --git a/src/mainboard/prodrive/atlas/mainboard.c b/src/mainboard/prodrive/atlas/mainboard.c
index a70bbae..8488836 100644
--- a/src/mainboard/prodrive/atlas/mainboard.c
+++ b/src/mainboard/prodrive/atlas/mainboard.c
@@ -6,7 +6,6 @@
 #include <gpio.h>
 #include <smbios.h>
 #include <stdio.h>
-#include <string.h>
 #include <types.h>
 
 #include "gpio.h"
diff --git a/src/mainboard/prodrive/hermes/smbios.c b/src/mainboard/prodrive/hermes/smbios.c
index 9671555..2f2869a 100644
--- a/src/mainboard/prodrive/hermes/smbios.c
+++ b/src/mainboard/prodrive/hermes/smbios.c
@@ -2,7 +2,6 @@
 
 #include <smbios.h>
 #include <stdio.h>
-#include <string.h>
 #include <types.h>
 
 #include "eeprom.h"
diff --git a/src/soc/mediatek/common/display.c b/src/soc/mediatek/common/display.c
index 0c23e49..a212805 100644
--- a/src/soc/mediatek/common/display.c
+++ b/src/soc/mediatek/common/display.c
@@ -11,7 +11,6 @@
 #include <soc/dsi.h>
 #include <soc/mtcmos.h>
 #include <stdio.h>
-#include <string.h>
 
 static struct panel_serializable_data *get_mipi_cmd_from_cbfs(struct panel_description *desc)
 {