diff --git a/arch/stm32/stm32.ini b/arch/stm32/stm32.ini
index 03e0bf392..153ca9f3e 100644
--- a/arch/stm32/stm32.ini
+++ b/arch/stm32/stm32.ini
@@ -26,11 +26,17 @@ build_flags =
   -DMESHTASTIC_EXCLUDE_WIFI=1
   -DMESHTASTIC_EXCLUDE_TZ=1 ; Exclude TZ to save some flash space.
   -DSERIAL_RX_BUFFER_SIZE=256 ; For GPS - the default of 64 is too small.
+  -DHAS_SCREEN=0 ; Always disable screen for STM32, it is not supported.
   -DPIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF ; This is REQUIRED for at least traceroute debug prints - without it the length ends up uninitialized.
   -DDEBUG_MUTE ; You can #undef DEBUG_MUTE in certain source files if you need the logs.
   -fmerge-all-constants
   -ffunction-sections
   -fdata-sections
+  -DRADIOLIB_EXCLUDE_SX128X=1
+  -DRADIOLIB_EXCLUDE_SX127X=1
+  -DRADIOLIB_EXCLUDE_LR11X0=1
+  -DHAL_DAC_MODULE_ONLY
+  -DHAL_RNG_MODULE_ENABLED
 
 build_src_filter =
   ${arduino_base.build_src_filter} -<platform/esp32/> -<nimble/> -<mesh/api/> -<mesh/wifi/> -<mesh/http/> -<modules/esp32> -<mesh/eth/> -<input> -<buzz> -<modules/RemoteHardwareModule.cpp> -<platform/nrf52> -<platform/portduino> -<platform/rp2xx0> -<mesh/raspihttp>
diff --git a/variants/CDEBYTE_E77-MBL/platformio.ini b/variants/CDEBYTE_E77-MBL/platformio.ini
index 8a8002086..5c373875c 100644
--- a/variants/CDEBYTE_E77-MBL/platformio.ini
+++ b/variants/CDEBYTE_E77-MBL/platformio.ini
@@ -9,19 +9,9 @@ build_flags =
   -DSERIAL_UART_INSTANCE=1
   -DPIN_SERIAL_RX=PA3
   -DPIN_SERIAL_TX=PA2
-  -DHAL_DAC_MODULE_ONLY
-  -DHAL_RNG_MODULE_ENABLED
-  -DRADIOLIB_EXCLUDE_SX128X=1
-  -DRADIOLIB_EXCLUDE_SX127X=1
-  -DRADIOLIB_EXCLUDE_LR11X0=1
   -DMESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR=1
   -DMESHTASTIC_EXCLUDE_I2C=1
-  -DMESHTASTIC_EXCLUDE_WIFI=1
-  -DMESHTASTIC_EXCLUDE_BLUETOOTH=1
   -DMESHTASTIC_EXCLUDE_GPS=1
-  -DMESHTASTIC_EXCLUDE_SCREEN=1
-  -DMESHTASTIC_EXCLUDE_MQTT=1
-  -DMESHTASTIC_EXCLUDE_POWERMON=1
   ;-DPIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF
   ;-DCFG_DEBUG
 
diff --git a/variants/rak3172/platformio.ini b/variants/rak3172/platformio.ini
index 99610b17c..df2500f31 100644
--- a/variants/rak3172/platformio.ini
+++ b/variants/rak3172/platformio.ini
@@ -7,18 +7,8 @@ build_flags =
   -Ivariants/rak3172
   -DPIN_WIRE_SDA=PA11
   -DPIN_WIRE_SCL=PA12
-  -DHAL_DAC_MODULE_ONLY
-  -DHAL_RNG_MODULE_ENABLED
-  -DRADIOLIB_EXCLUDE_SX128X=1
-  -DRADIOLIB_EXCLUDE_SX127X=1
-  -DRADIOLIB_EXCLUDE_LR11X0=1
   -DMESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR=1
   -DMESHTASTIC_EXCLUDE_I2C=1
-  -DMESHTASTIC_EXCLUDE_WIFI=1
-  -DMESHTASTIC_EXCLUDE_BLUETOOTH=1
   -DMESHTASTIC_EXCLUDE_GPS=1
-  -DMESHTASTIC_EXCLUDE_SCREEN=1
-  -DMESHTASTIC_EXCLUDE_MQTT=1
-  -DMESHTASTIC_EXCLUDE_POWERMON=1
   ;-DCFG_DEBUG
 upload_port = stlink
diff --git a/variants/wio-e5/platformio.ini b/variants/wio-e5/platformio.ini
index 90251c7aa..5c9f433d4 100644
--- a/variants/wio-e5/platformio.ini
+++ b/variants/wio-e5/platformio.ini
@@ -10,11 +10,6 @@ build_flags =
   -DPIN_SERIAL_TX=PB6
   -DPIN_WIRE_SDA=PA15
   -DPIN_WIRE_SCL=PB15
-  -DHAL_DAC_MODULE_ONLY
-  -DHAL_RNG_MODULE_ENABLED
-  -DRADIOLIB_EXCLUDE_SX128X=1
-  -DRADIOLIB_EXCLUDE_SX127X=1
-  -DRADIOLIB_EXCLUDE_LR11X0=1
   -DHAS_SENSOR=1
   -DENABLE_HWSERIAL2
   -DPIN_SERIAL2_TX=PA2