diff --git a/keyboards/idobao/id61/config.h b/keyboards/idobao/id61/config.h
deleted file mode 100644
index 3766a8ef1d..0000000000
--- a/keyboards/idobao/id61/config.h
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2022 Vino Rodrigues (@vinorodrigues)
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#if defined(RGB_MATRIX_ENABLE)
-    #ifndef ID61_DISABLE_UNDERGLOW
-        #define RGB_MATRIX_LED_COUNT 71
-    #else
-        #define RGB_MATRIX_LED_COUNT 61  // = 71 - 10
-    #endif
-#endif  // RGB_MATRIX_ENABLE
-
-/* -----------------------
- * Feature disable options
- *  These options are also useful to firmware size reduction.
- * ----------------------- */
-
-/* disable debug print */
-// #define NO_DEBUG
-
-/* disable print */
-// #define NO_PRINT
-
-/* disable action features */
-// #define NO_ACTION_LAYER
-// #define NO_ACTION_TAPPING
-// #define NO_ACTION_ONESHOT
diff --git a/keyboards/idobao/id61/post_rules.mk b/keyboards/idobao/id61/post_rules.mk
deleted file mode 100644
index 673b260396..0000000000
--- a/keyboards/idobao/id61/post_rules.mk
+++ /dev/null
@@ -1,8 +0,0 @@
-# The Denwir D60 case has a sealed/solid undercase,
-#  this enables switching off thoes LEDs
-# Usage:  `make idobao/id61:default UNDERGLOW=off`
-
-UNDERGLOW ?= yes
-ifneq ($(strip $(UNDERGLOW)), yes)
-  OPT_DEFS += -DID61_DISABLE_UNDERGLOW
-endif
diff --git a/keyboards/idobao/id63/config.h b/keyboards/idobao/id63/config.h
deleted file mode 100644
index 5a7df9028e..0000000000
--- a/keyboards/idobao/id63/config.h
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2022 Vino Rodrigues (@vinorodrigues)
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#if defined(RGB_MATRIX_ENABLE)
-    #ifndef ID63_DISABLE_UNDERGLOW
-        #define RGB_MATRIX_LED_COUNT 75
-    #else
-        #define RGB_MATRIX_LED_COUNT (75 - 12)
-    #endif
-#endif  // RGB_MATRIX_ENABLE
-
-/* -----------------------
- * Feature disable options
- *  These options are also useful to firmware size reduction.
- * ----------------------- */
-
-/* disable debug print */
-// #define NO_DEBUG
-
-/* disable print */
-// #define NO_PRINT
-
-/* disable action features */
-// #define NO_ACTION_LAYER
-// #define NO_ACTION_TAPPING
-// #define NO_ACTION_ONESHOT
diff --git a/keyboards/idobao/id63/post_rules.mk b/keyboards/idobao/id63/post_rules.mk
deleted file mode 100644
index 1a465397fd..0000000000
--- a/keyboards/idobao/id63/post_rules.mk
+++ /dev/null
@@ -1,8 +0,0 @@
-# The Denwir D60 case has a sealed/solid undercase,
-#  this enables switching off thoes LEDs
-# Usage:  `make idobao/id63:default UNDERGLOW=off`
-
-UNDERGLOW ?= yes
-ifneq ($(strip $(UNDERGLOW)), yes)
-  OPT_DEFS += -DID63_DISABLE_UNDERGLOW
-endif
diff --git a/keyboards/idobao/id67/config.h b/keyboards/idobao/id67/config.h
deleted file mode 100644
index 8f454d1ff4..0000000000
--- a/keyboards/idobao/id67/config.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright 2021 Tybera (@tybera)
-// Copyright 2021 Werther (@thewerther)
-// Copyright 2022 Vino Rodrigues (@vinorodrigues)
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#if defined(RGB_MATRIX_ENABLE)
-    #ifndef ID67_DISABLE_UNDERGLOW
-        #define RGB_MATRIX_LED_COUNT 77
-    #else
-        #define RGB_MATRIX_LED_COUNT (77 - 10)
-    #endif
-#endif  // RGB_MATRIX_ENABLE
-
-/* -----------------------
- * Feature disable options
- *  These options are also useful to firmware size reduction.
- * ----------------------- */
-
-/* disable debug print */
-// #define NO_DEBUG
-
-/* disable print */
-// #define NO_PRINT
-
-/* disable action features */
-// #define NO_ACTION_LAYER
-// #define NO_ACTION_TAPPING
-// #define NO_ACTION_ONESHOT
diff --git a/keyboards/idobao/id67/post_rules.mk b/keyboards/idobao/id67/post_rules.mk
deleted file mode 100644
index 32832a65b2..0000000000
--- a/keyboards/idobao/id67/post_rules.mk
+++ /dev/null
@@ -1,8 +0,0 @@
-# Some ID67 variants (v1 base build & "Bestype") have a solid back plate,
-#  this enables switching off thoes LEDs
-# Usage:  `make idobao/id67:default UNDERGLOW=off`
-
-UNDERGLOW ?= yes
-ifneq ($(strip $(UNDERGLOW)), yes)
-  OPT_DEFS += -DID67_DISABLE_UNDERGLOW
-endif
diff --git a/keyboards/idobao/montex/v2/config.h b/keyboards/idobao/montex/v2/config.h
deleted file mode 100755
index 548f3f62e7..0000000000
--- a/keyboards/idobao/montex/v2/config.h
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2022 IBNobody (@IBNobody)
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#if defined(RGB_MATRIX_ENABLE)
-    #ifndef ID27_DISABLE_UNDERGLOW
-        #define RGB_MATRIX_LED_COUNT 31  // The number of LEDs connected
-    #else
-        #define RGB_MATRIX_LED_COUNT 27  // -4 disabled underglow LEDs
-    #endif
-#endif  // RGB_MATRIX_ENABLE
-
-/* -----------------------
- * Feature disable options
- *  These options are also useful to firmware size reduction.
- * ----------------------- */
-
-/* disable debug print */
-// #define NO_DEBUG
-
-/* disable print */
-// #define NO_PRINT
-
-/* disable action features */
-// #define NO_ACTION_LAYER
-// #define NO_ACTION_TAPPING
-// #define NO_ACTION_ONESHOT
diff --git a/keyboards/idobao/montex/v2/post_rules.mk b/keyboards/idobao/montex/v2/post_rules.mk
deleted file mode 100644
index f2d43fa6ac..0000000000
--- a/keyboards/idobao/montex/v2/post_rules.mk
+++ /dev/null
@@ -1,8 +0,0 @@
-# some (if not most) Montex have a solid back plate,
-#  this enables switching off the bottom facing LEDs
-# Usage:  `make idobao/montex/v2:default UNDERGLOW=off`
-
-UNDERGLOW ?= yes
-ifneq ($(strip $(UNDERGLOW)), yes)
-  OPT_DEFS += -DID27_DISABLE_UNDERGLOW
-endif