diff --git a/Marlin/src/pins/samd/pins_BRICOLEMON_LITE_V1_0.h b/Marlin/src/pins/samd/pins_BRICOLEMON_LITE_V1_0.h
index 1e0efcf0b21d..b096ae80aab4 100644
--- a/Marlin/src/pins/samd/pins_BRICOLEMON_LITE_V1_0.h
+++ b/Marlin/src/pins/samd/pins_BRICOLEMON_LITE_V1_0.h
@@ -44,7 +44,7 @@
  */
 //#define FLASH_EEPROM_EMULATION
 #define I2C_EEPROM                                // EEPROM on I2C-0
-#define MARLIN_EEPROM_SIZE               0x70000  // 512K (CAT24C512)
+#define MARLIN_EEPROM_SIZE                0x8000  // 64K (CAT24C512)
 
 // This is another option to emulate an EEPROM, but it's more efficient to not lose the data in the first place.
 //#define SDCARD_EEPROM_EMULATION
diff --git a/Marlin/src/pins/stm32f4/pins_LERDGE_S.h b/Marlin/src/pins/stm32f4/pins_LERDGE_S.h
index ea1446b91b17..47fa378653dd 100644
--- a/Marlin/src/pins/stm32f4/pins_LERDGE_S.h
+++ b/Marlin/src/pins/stm32f4/pins_LERDGE_S.h
@@ -192,7 +192,7 @@
   #define SOFT_I2C_EEPROM                         // Force the use of Software I2C
   #define I2C_SDA_PIN                       PG13
   #define I2C_SCL_PIN                       PG14  // To be confirmed on the Lerdge S, but probably same as the K
-  #define MARLIN_EEPROM_SIZE             0x10000
+  #define MARLIN_EEPROM_SIZE             0x2000U  // 8K
 #else
   #define MARLIN_EEPROM_SIZE              0x800U  // On SD, Limit to 2K, require this amount of RAM
 #endif