diff --git a/keyboards/4pplet/yakiimo/rev_a/config.h b/keyboards/4pplet/yakiimo/rev_a/config.h
index 762ff55c41..bf16696014 100644
--- a/keyboards/4pplet/yakiimo/rev_a/config.h
+++ b/keyboards/4pplet/yakiimo/rev_a/config.h
@@ -40,5 +40,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCE    5
-
-#define STM32_HSECLK 8000000
diff --git a/keyboards/4pplet/yakiimo/rev_a/mcuconf.h b/keyboards/4pplet/yakiimo/rev_a/mcuconf.h
deleted file mode 100644
index 566a38124d..0000000000
--- a/keyboards/4pplet/yakiimo/rev_a/mcuconf.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/* Copyright 2020 QMK
- *
- * 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/>.
- */
-
-/*
- * This file was auto-generated by:
- *    `qmk chibios-confmigrate -i keyboards/acheron/austin/mcuconf.h -r platforms/chibios/GENERIC_STM32_F072XB/configs/mcuconf.h`
- */
-
-#pragma once
-
-#include_next <mcuconf.h>
-#undef STM32_PLLM_VALUE
-#undef STM32_PLLN_VALUE
-#undef STM32_PLLP_VALUE
-#undef STM32_PLLQ_VALUE
-#undef STM32_PPRE1
-#undef STM32_PPRE2
-
-#define STM32_PLLM_VALUE                    4
-#define STM32_PLLN_VALUE                    168
-#define STM32_PLLP_VALUE                    4
-#define STM32_PLLQ_VALUE                    7
-#define STM32_PPRE1                         STM32_PPRE1_DIV2
-#define STM32_PPRE2                         STM32_PPRE2_DIV1
diff --git a/keyboards/4pplet/yakiimo/rev_a/rules.mk b/keyboards/4pplet/yakiimo/rev_a/rules.mk
index 69e3ba1629..2f1c4fc78b 100644
--- a/keyboards/4pplet/yakiimo/rev_a/rules.mk
+++ b/keyboards/4pplet/yakiimo/rev_a/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F411
+BOARD = GENERIC_STM32_F411XE
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu
diff --git a/keyboards/acheron/shark/beta/config.h b/keyboards/acheron/shark/beta/config.h
index 54fa270336..b50762b8af 100644
--- a/keyboards/acheron/shark/beta/config.h
+++ b/keyboards/acheron/shark/beta/config.h
@@ -47,8 +47,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define BREATHING_PERIOD 5
 #define BACKLIGHT_ON_STATE 1
 
-#define STM32_HSECLK 8000000
-
 #define RGB_DI_PIN B15
 #define RGBLED_NUM 24
 #define RGBLIGHT_ANIMATIONS
diff --git a/keyboards/acheron/shark/beta/mcuconf.h b/keyboards/acheron/shark/beta/mcuconf.h
index 35d7e95f57..63f1e30e64 100644
--- a/keyboards/acheron/shark/beta/mcuconf.h
+++ b/keyboards/acheron/shark/beta/mcuconf.h
@@ -17,19 +17,6 @@
 #pragma once
 
 #include_next <mcuconf.h>
-#undef STM32_PLLM_VALUE
-#undef STM32_PLLN_VALUE
-#undef STM32_PLLP_VALUE
-#undef STM32_PLLQ_VALUE
-#undef STM32_PPRE1
-#undef STM32_PPRE2
-
-#define STM32_PLLM_VALUE                    4
-#define STM32_PLLN_VALUE                    96
-#define STM32_PLLP_VALUE                    2
-#define STM32_PLLQ_VALUE                    4
-#define STM32_PPRE1                         STM32_PPRE1_DIV2
-#define STM32_PPRE2                         STM32_PPRE2_DIV1
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
diff --git a/keyboards/acheron/shark/beta/rules.mk b/keyboards/acheron/shark/beta/rules.mk
index 928ad2d49a..0347228300 100644
--- a/keyboards/acheron/shark/beta/rules.mk
+++ b/keyboards/acheron/shark/beta/rules.mk
@@ -1,4 +1,5 @@
 MCU = STM32F411
+BOARD = GENERIC_STM32_F411XE
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu
diff --git a/keyboards/mode/m65ha_alpha/config.h b/keyboards/mode/m65ha_alpha/config.h
index cdeffe6fa3..b5480a2b28 100644
--- a/keyboards/mode/m65ha_alpha/config.h
+++ b/keyboards/mode/m65ha_alpha/config.h
@@ -49,8 +49,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
 
-#define STM32_HSECLK 8000000
-
 #define OPENDRAIN_INDICATORS
 #define LED_CAPS_LOCK_PIN A6
 
diff --git a/keyboards/mode/m65ha_alpha/mcuconf.h b/keyboards/mode/m65ha_alpha/mcuconf.h
index e4cefd0b75..0ca8c64850 100644
--- a/keyboards/mode/m65ha_alpha/mcuconf.h
+++ b/keyboards/mode/m65ha_alpha/mcuconf.h
@@ -17,19 +17,6 @@
 #pragma once
 
 #include_next <mcuconf.h>
-#undef STM32_PLLM_VALUE
-#undef STM32_PLLN_VALUE
-#undef STM32_PLLP_VALUE
-#undef STM32_PLLQ_VALUE
-#undef STM32_PPRE1
-#undef STM32_PPRE2
-
-#define STM32_PLLM_VALUE                    4
-#define STM32_PLLN_VALUE                    168
-#define STM32_PLLP_VALUE                    4
-#define STM32_PLLQ_VALUE                    7
-#define STM32_PPRE1                         STM32_PPRE1_DIV2
-#define STM32_PPRE2                         STM32_PPRE2_DIV1
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
diff --git a/keyboards/mode/m65ha_alpha/rules.mk b/keyboards/mode/m65ha_alpha/rules.mk
index 191428572e..091e076bd0 100644
--- a/keyboards/mode/m65ha_alpha/rules.mk
+++ b/keyboards/mode/m65ha_alpha/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F401
+BOARD = GENERIC_STM32_F401XC
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu
@@ -17,5 +18,6 @@ BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
 RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
 AUDIO_ENABLE = no           # Audio output
 EEPROM_DRIVER = i2c
+
 # Enter lower-power sleep mode when on the ChibiOS idle thread
 OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE -DDEBUG_EEPROM_OUTPUT=TRUE
diff --git a/keyboards/mode/m65hi_alpha/config.h b/keyboards/mode/m65hi_alpha/config.h
index daacee56ce..39471afe09 100644
--- a/keyboards/mode/m65hi_alpha/config.h
+++ b/keyboards/mode/m65hi_alpha/config.h
@@ -49,8 +49,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
 
-#define STM32_HSECLK 8000000
-
 #define OPENDRAIN_INDICATORS
 #define LED_CAPS_LOCK_PIN A6
 
diff --git a/keyboards/mode/m65hi_alpha/mcuconf.h b/keyboards/mode/m65hi_alpha/mcuconf.h
index 97f2ee51ee..dd68a8c1e7 100644
--- a/keyboards/mode/m65hi_alpha/mcuconf.h
+++ b/keyboards/mode/m65hi_alpha/mcuconf.h
@@ -22,19 +22,6 @@
 #pragma once
 
 #include_next <mcuconf.h>
-#undef STM32_PLLM_VALUE
-#undef STM32_PLLN_VALUE
-#undef STM32_PLLP_VALUE
-#undef STM32_PLLQ_VALUE
-#undef STM32_PPRE1
-#undef STM32_PPRE2
-
-#define STM32_PLLM_VALUE                    4
-#define STM32_PLLN_VALUE                    168
-#define STM32_PLLP_VALUE                    4
-#define STM32_PLLQ_VALUE                    7
-#define STM32_PPRE1                         STM32_PPRE1_DIV2
-#define STM32_PPRE2                         STM32_PPRE2_DIV1
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
diff --git a/keyboards/mode/m65hi_alpha/rules.mk b/keyboards/mode/m65hi_alpha/rules.mk
index 191428572e..091e076bd0 100644
--- a/keyboards/mode/m65hi_alpha/rules.mk
+++ b/keyboards/mode/m65hi_alpha/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F401
+BOARD = GENERIC_STM32_F401XC
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu
@@ -17,5 +18,6 @@ BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
 RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
 AUDIO_ENABLE = no           # Audio output
 EEPROM_DRIVER = i2c
+
 # Enter lower-power sleep mode when on the ChibiOS idle thread
 OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE -DDEBUG_EEPROM_OUTPUT=TRUE
diff --git a/keyboards/mode/m65s/config.h b/keyboards/mode/m65s/config.h
index 9cd3bfcb35..ca628e39c3 100644
--- a/keyboards/mode/m65s/config.h
+++ b/keyboards/mode/m65s/config.h
@@ -49,8 +49,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
 
-#define STM32_HSECLK 8000000
-
 #define OPENDRAIN_INDICATORS
 #define LED_CAPS_LOCK_PIN C8
 
diff --git a/keyboards/mode/m65s/mcuconf.h b/keyboards/mode/m65s/mcuconf.h
index 97f2ee51ee..dd68a8c1e7 100644
--- a/keyboards/mode/m65s/mcuconf.h
+++ b/keyboards/mode/m65s/mcuconf.h
@@ -22,19 +22,6 @@
 #pragma once
 
 #include_next <mcuconf.h>
-#undef STM32_PLLM_VALUE
-#undef STM32_PLLN_VALUE
-#undef STM32_PLLP_VALUE
-#undef STM32_PLLQ_VALUE
-#undef STM32_PPRE1
-#undef STM32_PPRE2
-
-#define STM32_PLLM_VALUE                    4
-#define STM32_PLLN_VALUE                    168
-#define STM32_PLLP_VALUE                    4
-#define STM32_PLLQ_VALUE                    7
-#define STM32_PPRE1                         STM32_PPRE1_DIV2
-#define STM32_PPRE2                         STM32_PPRE2_DIV1
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
diff --git a/keyboards/mode/m65s/rules.mk b/keyboards/mode/m65s/rules.mk
index bb3ebaee28..91f94bfa10 100644
--- a/keyboards/mode/m65s/rules.mk
+++ b/keyboards/mode/m65s/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F401
+BOARD = GENERIC_STM32_F401XC
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu
diff --git a/keyboards/mode/m75h/config.h b/keyboards/mode/m75h/config.h
index 6618d2bdbd..315db1d515 100644
--- a/keyboards/mode/m75h/config.h
+++ b/keyboards/mode/m75h/config.h
@@ -50,8 +50,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
 
-#define STM32_HSECLK 8000000
-
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.
diff --git a/keyboards/mode/m75h/mcuconf.h b/keyboards/mode/m75h/mcuconf.h
index 97f2ee51ee..dd68a8c1e7 100644
--- a/keyboards/mode/m75h/mcuconf.h
+++ b/keyboards/mode/m75h/mcuconf.h
@@ -22,19 +22,6 @@
 #pragma once
 
 #include_next <mcuconf.h>
-#undef STM32_PLLM_VALUE
-#undef STM32_PLLN_VALUE
-#undef STM32_PLLP_VALUE
-#undef STM32_PLLQ_VALUE
-#undef STM32_PPRE1
-#undef STM32_PPRE2
-
-#define STM32_PLLM_VALUE                    4
-#define STM32_PLLN_VALUE                    168
-#define STM32_PLLP_VALUE                    4
-#define STM32_PLLQ_VALUE                    7
-#define STM32_PPRE1                         STM32_PPRE1_DIV2
-#define STM32_PPRE2                         STM32_PPRE2_DIV1
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
diff --git a/keyboards/mode/m75h/rules.mk b/keyboards/mode/m75h/rules.mk
index f7659378cc..76752ec1b3 100644
--- a/keyboards/mode/m75h/rules.mk
+++ b/keyboards/mode/m75h/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F401
+BOARD = GENERIC_STM32_F401XC
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu
diff --git a/keyboards/mode/m75s/config.h b/keyboards/mode/m75s/config.h
index 9e902a1585..287c746ac9 100644
--- a/keyboards/mode/m75s/config.h
+++ b/keyboards/mode/m75s/config.h
@@ -50,8 +50,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
 
-#define STM32_HSECLK 8000000
-
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.
diff --git a/keyboards/mode/m75s/mcuconf.h b/keyboards/mode/m75s/mcuconf.h
index 97f2ee51ee..dd68a8c1e7 100644
--- a/keyboards/mode/m75s/mcuconf.h
+++ b/keyboards/mode/m75s/mcuconf.h
@@ -22,19 +22,6 @@
 #pragma once
 
 #include_next <mcuconf.h>
-#undef STM32_PLLM_VALUE
-#undef STM32_PLLN_VALUE
-#undef STM32_PLLP_VALUE
-#undef STM32_PLLQ_VALUE
-#undef STM32_PPRE1
-#undef STM32_PPRE2
-
-#define STM32_PLLM_VALUE                    4
-#define STM32_PLLN_VALUE                    168
-#define STM32_PLLP_VALUE                    4
-#define STM32_PLLQ_VALUE                    7
-#define STM32_PPRE1                         STM32_PPRE1_DIV2
-#define STM32_PPRE2                         STM32_PPRE2_DIV1
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
diff --git a/keyboards/mode/m75s/rules.mk b/keyboards/mode/m75s/rules.mk
index f7659378cc..76752ec1b3 100644
--- a/keyboards/mode/m75s/rules.mk
+++ b/keyboards/mode/m75s/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F401
+BOARD = GENERIC_STM32_F401XC
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu
diff --git a/keyboards/smithrune/iron165r2/f411/config.h b/keyboards/smithrune/iron165r2/f411/config.h
index 5b2e04b93c..af8b46531c 100644
--- a/keyboards/smithrune/iron165r2/f411/config.h
+++ b/keyboards/smithrune/iron165r2/f411/config.h
@@ -16,6 +16,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #pragma once
+
 #define BACKLIGHT_PIN           A6
 #define BACKLIGHT_PWM_DRIVER    PWMD3
 #define BACKLIGHT_PWM_CHANNEL   1
@@ -25,8 +26,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define BREATHING_PERIOD 5
 #define BACKLIGHT_ON_STATE 1
 
-#define STM32_HSECLK 8000000
-
 #define RGB_DI_PIN B15
 #define RGBLED_NUM 22
 #define RGBLIGHT_EFFECT_BREATHING
diff --git a/keyboards/smithrune/iron165r2/f411/mcuconf.h b/keyboards/smithrune/iron165r2/f411/mcuconf.h
index 0ea015be4f..63f1e30e64 100644
--- a/keyboards/smithrune/iron165r2/f411/mcuconf.h
+++ b/keyboards/smithrune/iron165r2/f411/mcuconf.h
@@ -17,19 +17,6 @@
 #pragma once
 
 #include_next <mcuconf.h>
-#undef STM32_PLLM_VALUE
-#undef STM32_PLLN_VALUE
-#undef STM32_PLLP_VALUE
-#undef STM32_PLLQ_VALUE
-#undef STM32_PPRE1
-#undef STM32_PPRE2
-
-#define STM32_PLLM_VALUE                    4
-#define STM32_PLLN_VALUE                    72
-#define STM32_PLLP_VALUE                    2
-#define STM32_PLLQ_VALUE                    3
-#define STM32_PPRE1                         STM32_PPRE1_DIV2
-#define STM32_PPRE2                         STM32_PPRE2_DIV1
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
diff --git a/keyboards/smithrune/iron165r2/f411/rules.mk b/keyboards/smithrune/iron165r2/f411/rules.mk
index 598edffe64..6305fc5a14 100644
--- a/keyboards/smithrune/iron165r2/f411/rules.mk
+++ b/keyboards/smithrune/iron165r2/f411/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F411
+BOARD = GENERIC_STM32_F411XE
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu