3 files changed, 1 insertions, 15 deletions
diff --git a/keyboards/acheron/apollo/87h/delta/config.h b/keyboards/acheron/apollo/87h/delta/config.h
index 1365b81774..85909af208 100644
--- a/keyboards/acheron/apollo/87h/delta/config.h
+++ b/keyboards/acheron/apollo/87h/delta/config.h
@@ -44,8 +44,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
 
-#define STM32_HSECLK 8000000
-
 #define RGB_DI_PIN B15
 #define DRIVER_LED_TOTAL 87
 
diff --git a/keyboards/acheron/apollo/87h/delta/mcuconf.h b/keyboards/acheron/apollo/87h/delta/mcuconf.h
index fb972b86ad..29a62a94c2 100644
--- a/keyboards/acheron/apollo/87h/delta/mcuconf.h
+++ b/keyboards/acheron/apollo/87h/delta/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/acheron/apollo/87h/delta/rules.mk b/keyboards/acheron/apollo/87h/delta/rules.mk
index 1711dd486d..c519425408 100644
--- a/keyboards/acheron/apollo/87h/delta/rules.mk
+++ b/keyboards/acheron/apollo/87h/delta/rules.mk
@@ -1,5 +1,6 @@
 # MCU name
 MCU = STM32F401
+BOARD = GENERIC_STM32_F401XC
 
 # Bootloader selection
 BOOTLOADER = stm32-dfu