diff --git a/Marlin/src/HAL/HAL_LINUX/persistent_store_impl.cpp b/Marlin/src/HAL/HAL_LINUX/persistent_store_impl.cpp
index 7bf00c061..c4965d90e 100644
--- a/Marlin/src/HAL/HAL_LINUX/persistent_store_impl.cpp
+++ b/Marlin/src/HAL/HAL_LINUX/persistent_store_impl.cpp
@@ -61,7 +61,7 @@ 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) {
   std::size_t bytes_written = 0;
 
   for (std::size_t i = 0; i < size; i++) {
diff --git a/Marlin/src/HAL/HAL_LPC1768/persistent_store_sdcard.cpp b/Marlin/src/HAL/HAL_LPC1768/persistent_store_sdcard.cpp
index b12076904..2454dea19 100644
--- a/Marlin/src/HAL/HAL_LPC1768/persistent_store_sdcard.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/persistent_store_sdcard.cpp
@@ -125,7 +125,7 @@ static void debug_rw(const bool write, int &pos, const uint8_t *value, const siz
 //    FR_INVALID_PARAMETER     /* (19) Given parameter is invalid */
 //  } FRESULT;
 
-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_open) return true;
   FRESULT s;
   UINT bytes_written = 0;
diff --git a/Marlin/src/HAL/HAL_STM32/persistent_store_sdcard.cpp b/Marlin/src/HAL/HAL_STM32/persistent_store_sdcard.cpp
index 8cc56d995..de9ed17a3 100644
--- a/Marlin/src/HAL/HAL_STM32/persistent_store_sdcard.cpp
+++ b/Marlin/src/HAL/HAL_STM32/persistent_store_sdcard.cpp
@@ -80,7 +80,7 @@ static char _ALIGN(4) HAL_eeprom_data[HAL_EEPROM_SIZE];
 
 #endif // !SDSUPPORT
 
-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++)
     HAL_eeprom_data[pos + i] = value[i];
   crc16(crc, value, size);
diff --git a/Marlin/src/HAL/HAL_STM32F1/persistent_store_flash.cpp b/Marlin/src/HAL/HAL_STM32F1/persistent_store_flash.cpp
index 4e73d0564..7004d88ff 100644
--- a/Marlin/src/HAL/HAL_STM32F1/persistent_store_flash.cpp
+++ b/Marlin/src/HAL/HAL_STM32F1/persistent_store_flash.cpp
@@ -55,7 +55,7 @@ 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) {
   FLASH_Status status;
 
   if (firstWrite) {
diff --git a/Marlin/src/HAL/HAL_STM32F1/persistent_store_sdcard.cpp b/Marlin/src/HAL/HAL_STM32F1/persistent_store_sdcard.cpp
index 85b6fb4a6..61391fda2 100644
--- a/Marlin/src/HAL/HAL_STM32F1/persistent_store_sdcard.cpp
+++ b/Marlin/src/HAL/HAL_STM32F1/persistent_store_sdcard.cpp
@@ -80,7 +80,7 @@ static char _ALIGN(4) HAL_eeprom_data[HAL_EEPROM_SIZE];
 
 #endif // !SDSUPPORT
 
-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++)
     HAL_eeprom_data[pos + i] = value[i];
   crc16(crc, value, size);
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 2a33af66c..6da102638 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, uint16_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;
@@ -47,7 +47,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, uint16_t size,
   return false;
 }
 
-bool PersistentStore::read_data(int &pos, uint8_t* value, uint16_t size, uint16_t *crc, const bool writing/*=true*/) {
+bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
   do {
     uint8_t c = eeprom_read_byte((uint8_t*)pos);
     if (writing) *value = c;