diff --git a/keyboards/rgbkb/mun/keymaps/via/config.h b/keyboards/rgbkb/mun/keymaps/via/config.h
index 002081a1..a0f581b5 100644
--- a/keyboards/rgbkb/mun/keymaps/via/config.h
+++ b/keyboards/rgbkb/mun/keymaps/via/config.h
@@ -24,5 +24,3 @@
 // 224B per layer right now
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8
 #define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 2047
-
-#define STM32_ONBOARD_EEPROM_SIZE 2048
diff --git a/keyboards/rgbkb/sol3/keymaps/via/config.h b/keyboards/rgbkb/sol3/keymaps/via/config.h
index ff1ff774..7b7f8062 100644
--- a/keyboards/rgbkb/sol3/keymaps/via/config.h
+++ b/keyboards/rgbkb/sol3/keymaps/via/config.h
@@ -25,6 +25,3 @@
 // 224B per layer right now
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8
 #define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 2047
-
-#define STM32_ONBOARD_EEPROM_SIZE 2048
-