diff --git a/Marlin/src/HAL/HAL_DUE/persistent_store_eeprom.cpp b/Marlin/src/HAL/HAL_DUE/persistent_store_eeprom.cpp
index 270324b689..fc1baa22ac 100644
--- a/Marlin/src/HAL/HAL_DUE/persistent_store_eeprom.cpp
+++ b/Marlin/src/HAL/HAL_DUE/persistent_store_eeprom.cpp
@@ -44,7 +44,7 @@ bool PersistentStore::access_finish() {
   return true;
 }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   while (size--) {
     uint8_t * const p = (uint8_t * const)pos;
     uint8_t v = *value;
diff --git a/Marlin/src/HAL/HAL_ESP32/persistent_store_spiffs.cpp b/Marlin/src/HAL/HAL_ESP32/persistent_store_spiffs.cpp
index deefde9155..5227da3568 100644
--- a/Marlin/src/HAL/HAL_ESP32/persistent_store_spiffs.cpp
+++ b/Marlin/src/HAL/HAL_ESP32/persistent_store_spiffs.cpp
@@ -72,7 +72,7 @@ bool PersistentStore::access_finish() {
   return true;
 }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   if (!eeprom_file.seek(pos)) return true; // return true for any error
   if (eeprom_file.write(value, size) != size) return true;
 
diff --git a/Marlin/src/HAL/HAL_LPC1768/persistent_store_flash.cpp b/Marlin/src/HAL/HAL_LPC1768/persistent_store_flash.cpp
index 4f4f371f5e..dac7d7a3a9 100644
--- a/Marlin/src/HAL/HAL_LPC1768/persistent_store_flash.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/persistent_store_flash.cpp
@@ -109,7 +109,7 @@ bool PersistentStore::access_finish() {
   return true;
 }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   for (size_t i = 0; i < size; i++) ram_eeprom[pos + i] = value[i];
   eeprom_dirty = true;
   crc16(crc, value, size);
diff --git a/Marlin/src/HAL/HAL_SAMD51/persistent_store_eeprom.cpp b/Marlin/src/HAL/HAL_SAMD51/persistent_store_eeprom.cpp
index 2a0c991742..e41dd85c85 100644
--- a/Marlin/src/HAL/HAL_SAMD51/persistent_store_eeprom.cpp
+++ b/Marlin/src/HAL/HAL_SAMD51/persistent_store_eeprom.cpp
@@ -58,7 +58,7 @@ bool PersistentStore::access_finish() {
   return true;
 }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   #if NONE(SPI_EEPROM, I2C_EEPROM)
     if (NVMCTRL->SEESTAT.bit.RLOCK)
       NVMCTRL_CMD(NVMCTRL_CTRLB_CMD_USEE);    // Unlock E2P data write access
diff --git a/Marlin/src/HAL/HAL_STM32/persistent_store_impl.cpp b/Marlin/src/HAL/HAL_STM32/persistent_store_impl.cpp
index ff8313dd83..c94bce3b65 100644
--- a/Marlin/src/HAL/HAL_STM32/persistent_store_impl.cpp
+++ b/Marlin/src/HAL/HAL_STM32/persistent_store_impl.cpp
@@ -50,7 +50,7 @@ bool PersistentStore::access_finish() {
   return true;
 }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   while (size--) {
     uint8_t v = *value;
 
diff --git a/Marlin/src/HAL/HAL_STM32F1/persistent_store_eeprom.cpp b/Marlin/src/HAL/HAL_STM32F1/persistent_store_eeprom.cpp
index a7fe530c6a..babcdeaee3 100644
--- a/Marlin/src/HAL/HAL_STM32F1/persistent_store_eeprom.cpp
+++ b/Marlin/src/HAL/HAL_STM32F1/persistent_store_eeprom.cpp
@@ -40,7 +40,7 @@ bool PersistentStore::access_start() {
 }
 bool PersistentStore::access_finish() { return true; }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   while (size--) {
     uint8_t * const p = (uint8_t * const)pos;
     uint8_t v = *value;
diff --git a/Marlin/src/HAL/HAL_STM32_F4_F7/persistent_store_eeprom.cpp b/Marlin/src/HAL/HAL_STM32_F4_F7/persistent_store_eeprom.cpp
index 0b119730b6..4bd86d225d 100644
--- a/Marlin/src/HAL/HAL_STM32_F4_F7/persistent_store_eeprom.cpp
+++ b/Marlin/src/HAL/HAL_STM32_F4_F7/persistent_store_eeprom.cpp
@@ -32,7 +32,7 @@
 bool PersistentStore::access_start() { return true; }
 bool PersistentStore::access_finish() { return true; }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   while (size--) {
     uint8_t * const p = (uint8_t * const)pos;
     uint8_t v = *value;
diff --git a/Marlin/src/HAL/HAL_TEENSY31_32/persistent_store_impl.cpp b/Marlin/src/HAL/HAL_TEENSY31_32/persistent_store_impl.cpp
index 0c95277438..6da102638f 100644
--- a/Marlin/src/HAL/HAL_TEENSY31_32/persistent_store_impl.cpp
+++ b/Marlin/src/HAL/HAL_TEENSY31_32/persistent_store_impl.cpp
@@ -27,7 +27,7 @@
 bool PersistentStore::access_start() { return true; }
 bool PersistentStore::access_finish() { return true; }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   while (size--) {
     uint8_t * const p = (uint8_t * const)pos;
     uint8_t v = *value;
diff --git a/Marlin/src/HAL/HAL_TEENSY35_36/persistent_store_eeprom.cpp b/Marlin/src/HAL/HAL_TEENSY35_36/persistent_store_eeprom.cpp
index 2f063a4d4a..17934f71a3 100644
--- a/Marlin/src/HAL/HAL_TEENSY35_36/persistent_store_eeprom.cpp
+++ b/Marlin/src/HAL/HAL_TEENSY35_36/persistent_store_eeprom.cpp
@@ -33,7 +33,7 @@
 bool PersistentStore::access_start() { return true; }
 bool PersistentStore::access_finish() { return true; }
 
-bool PersistentStore::write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc) {
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   while (size--) {
     uint8_t * const p = (uint8_t * const)pos;
     uint8_t v = *value;
diff --git a/Marlin/src/HAL/shared/persistent_store_api.h b/Marlin/src/HAL/shared/persistent_store_api.h
index 0f4834b9b3..02013120a7 100644
--- a/Marlin/src/HAL/shared/persistent_store_api.h
+++ b/Marlin/src/HAL/shared/persistent_store_api.h
@@ -31,7 +31,7 @@ class PersistentStore {
 public:
   static bool access_start();
   static bool access_finish();
-  static bool write_data(int &pos, const uint8_t *value, const size_t size, uint16_t *crc);
+  static bool write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc);
   static bool read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing=true);
   static size_t capacity();