diff --git a/keyboards/dailycraft/sandbox/rev1/config.h b/keyboards/dailycraft/sandbox/rev1/config.h
index 102b8247db..2bd405d2aa 100644
--- a/keyboards/dailycraft/sandbox/rev1/config.h
+++ b/keyboards/dailycraft/sandbox/rev1/config.h
@@ -50,7 +50,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /*
  * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
  */
-#define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
+//#define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
 
 //#define LED_NUM_LOCK_PIN B0
 //#define LED_CAPS_LOCK_PIN B1
diff --git a/keyboards/dailycraft/sandbox/rev1/keymaps/oled/keymap.c b/keyboards/dailycraft/sandbox/rev1/keymaps/oled/keymap.c
deleted file mode 100644
index 25910ef919..0000000000
--- a/keyboards/dailycraft/sandbox/rev1/keymaps/oled/keymap.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Copyright 2021 yfuku
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#include QMK_KEYBOARD_H
-
-enum layer_names {
-    _0,
-    _1,
-    _2,
-    _3
-};
-
-const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-    [_0] = LAYOUT(
-        KC_1, KC_2, KC_3, KC_4, KC_5,
-        KC_6, KC_7, KC_8, KC_9, KC_0
-    ),
-    [_1] = LAYOUT(
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
-    ),
-    [_2] = LAYOUT(
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
-    ),
-    [_3] = LAYOUT(
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
-    )
-};
diff --git a/keyboards/dailycraft/sandbox/rev1/keymaps/oled/readme.md b/keyboards/dailycraft/sandbox/rev1/keymaps/oled/readme.md
deleted file mode 100644
index 7fe2318a44..0000000000
--- a/keyboards/dailycraft/sandbox/rev1/keymaps/oled/readme.md
+++ /dev/null
@@ -1 +0,0 @@
-# The default keymap for sandbox
diff --git a/keyboards/dailycraft/sandbox/rev1/keymaps/oled/rules.mk b/keyboards/dailycraft/sandbox/rev1/keymaps/oled/rules.mk
deleted file mode 100644
index ab9d5c6ac2..0000000000
--- a/keyboards/dailycraft/sandbox/rev1/keymaps/oled/rules.mk
+++ /dev/null
@@ -1,2 +0,0 @@
-VIA_ENABLE = yes
-OLED_ENABLE = yes
diff --git a/keyboards/dailycraft/sandbox/rev1/keymaps/via/keymap.c b/keyboards/dailycraft/sandbox/rev1/keymaps/via/keymap.c
index 047eabf513..39a9f1d153 100644
--- a/keyboards/dailycraft/sandbox/rev1/keymaps/via/keymap.c
+++ b/keyboards/dailycraft/sandbox/rev1/keymaps/via/keymap.c
@@ -15,27 +15,20 @@
  */
 #include QMK_KEYBOARD_H
 
-enum layer_names {
-    _1,
-    _2,
-    _3,
-    _4
-};
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-    [_0] = LAYOUT(
+    [0] = LAYOUT(
         KC_1, KC_2, KC_3, KC_4, KC_5,
         KC_6, KC_7, KC_8, KC_9, KC_0
     ),
-    [_1] = LAYOUT(
+    [1] = LAYOUT(
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
     ),
-    [_2] = LAYOUT(
+    [2] = LAYOUT(
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
     ),
-    [_3] = LAYOUT(
+    [3] = LAYOUT(
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
     )
diff --git a/keyboards/dailycraft/sandbox/rev2/keymaps/oled/keymap.c b/keyboards/dailycraft/sandbox/rev2/keymaps/oled/keymap.c
deleted file mode 100644
index c72b85c79a..0000000000
--- a/keyboards/dailycraft/sandbox/rev2/keymaps/oled/keymap.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Copyright 2021 yfuku
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#include QMK_KEYBOARD_H
-
-enum layer_names {
-    _0,
-    _1,
-    _2,
-    _3
-};
-
-const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-    [_0] = LAYOUT(
-        KC_1, KC_2, KC_3, KC_4, KC_5, KC_A, KC_B, KC_C, KC_D, KC_E,
-        KC_6, KC_7, KC_8, KC_9, KC_0, KC_F, KC_G, KC_H, KC_I, KC_J
-    ),
-    [_1] = LAYOUT(
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
-    ),
-    [_2] = LAYOUT(
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
-    ),
-    [_3] = LAYOUT(
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
-        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
-    )
-};
-
diff --git a/keyboards/dailycraft/sandbox/rev2/keymaps/oled/readme.md b/keyboards/dailycraft/sandbox/rev2/keymaps/oled/readme.md
deleted file mode 100644
index c0c3cb6eec..0000000000
--- a/keyboards/dailycraft/sandbox/rev2/keymaps/oled/readme.md
+++ /dev/null
@@ -1 +0,0 @@
-# The oled keymap for sandbox
diff --git a/keyboards/dailycraft/sandbox/rev2/keymaps/oled/rules.mk b/keyboards/dailycraft/sandbox/rev2/keymaps/oled/rules.mk
deleted file mode 100644
index ab9d5c6ac2..0000000000
--- a/keyboards/dailycraft/sandbox/rev2/keymaps/oled/rules.mk
+++ /dev/null
@@ -1,2 +0,0 @@
-VIA_ENABLE = yes
-OLED_ENABLE = yes
diff --git a/keyboards/dailycraft/sandbox/rev2/keymaps/via/keymap.c b/keyboards/dailycraft/sandbox/rev2/keymaps/via/keymap.c
index c202284292..8796e0443d 100644
--- a/keyboards/dailycraft/sandbox/rev2/keymaps/via/keymap.c
+++ b/keyboards/dailycraft/sandbox/rev2/keymaps/via/keymap.c
@@ -15,27 +15,20 @@
  */
 #include QMK_KEYBOARD_H
 
-enum layer_names {
-    _0,
-    _1,
-    _2,
-    _3
-};
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-    [_0] = LAYOUT(
+    [0] = LAYOUT(
         KC_1, KC_2, KC_3, KC_4, KC_5, KC_A, KC_B, KC_C, KC_D, KC_E,
         KC_6, KC_7, KC_8, KC_9, KC_0, KC_F, KC_G, KC_H, KC_I, KC_J
     ),
-    [_1] = LAYOUT(
+    [1] = LAYOUT(
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
     ),
-    [_2] = LAYOUT(
+    [2] = LAYOUT(
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
     ),
-    [_3] = LAYOUT(
+    [3] = LAYOUT(
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
         KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
     )
diff --git a/keyboards/dailycraft/sandbox/rules.mk b/keyboards/dailycraft/sandbox/rules.mk
index b3386ed771..f33c50e352 100644
--- a/keyboards/dailycraft/sandbox/rules.mk
+++ b/keyboards/dailycraft/sandbox/rules.mk
@@ -16,5 +16,6 @@ NKRO_ENABLE = no            # Enable N-Key Rollover
 BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
 AUDIO_ENABLE = no           # Audio output
+OLED_ENABLE = yes
 
 DEFAULT_FOLDER = dailycraft/sandbox/rev2