diff --git a/firmware/config/boards/hellen/alphax-2chan/board.mk b/firmware/config/boards/hellen/alphax-2chan/board.mk
index a22b1356a1..fc697f1dc9 100644
--- a/firmware/config/boards/hellen/alphax-2chan/board.mk
+++ b/firmware/config/boards/hellen/alphax-2chan/board.mk
@@ -13,10 +13,7 @@ DDEFS += -DFIRMWARE_ID=\"AlphaX-2chan\"
 DDEFS += -DEFI_SOFTWARE_KNOCK=TRUE -DSTM32_ADC_USE_ADC3=TRUE
 DDEFS += -DHAL_TRIGGER_USE_PAL=TRUE
 
-
-
-# Enable serial pins on expansion header
-DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=GPIOD_6 -DEFI_CONSOLE_RX_BRAIN_PIN=GPIOD_5 -DTS_PRIMARY_PORT=UARTD2 -DSTM32_UART_USE_USART2=1
-
 include $(BOARDS_DIR)/hellen/hellen-common144.mk
 
+DDEFS += $(PRIMARY_COMMUNICATION_PORT_USART2)
+
diff --git a/firmware/config/boards/hellen/alphax-4chan/board.mk b/firmware/config/boards/hellen/alphax-4chan/board.mk
index 6b4ac4a411..d1aa40826b 100644
--- a/firmware/config/boards/hellen/alphax-4chan/board.mk
+++ b/firmware/config/boards/hellen/alphax-4chan/board.mk
@@ -13,10 +13,7 @@ DDEFS += -DFIRMWARE_ID=\"AlphaX-4chan\"
 DDEFS += -DEFI_SOFTWARE_KNOCK=TRUE -DSTM32_ADC_USE_ADC3=TRUE
 DDEFS += -DHAL_TRIGGER_USE_PAL=TRUE
 
-
-
-# Enable serial pins on expansion header
-DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=GPIOD_6 -DEFI_CONSOLE_RX_BRAIN_PIN=GPIOD_5 -DTS_PRIMARY_PORT=UARTD2 -DSTM32_UART_USE_USART2=1
-
 include $(BOARDS_DIR)/hellen/hellen-common144.mk
 
+DDEFS += $(PRIMARY_COMMUNICATION_PORT_USART2)
+
diff --git a/firmware/config/boards/hellen/harley81/board.mk b/firmware/config/boards/hellen/harley81/board.mk
index 27e6386503..07e551db51 100644
--- a/firmware/config/boards/hellen/harley81/board.mk
+++ b/firmware/config/boards/hellen/harley81/board.mk
@@ -13,10 +13,8 @@ DDEFS += -DFIRMWARE_ID=\"hellen81hd\"
 DDEFS += -DEFI_SOFTWARE_KNOCK=TRUE -DSTM32_ADC_USE_ADC3=TRUE
 DDEFS += -DHAL_TRIGGER_USE_PAL=TRUE
 
-
-
-# Enable serial pins on expansion header
-DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=GPIOD_6 -DEFI_CONSOLE_RX_BRAIN_PIN=GPIOD_5 -DTS_PRIMARY_PORT=UARTD2 -DSTM32_UART_USE_USART2=1
-
 include $(BOARDS_DIR)/hellen/hellen-common144.mk
 
+# Enable serial pins on expansion header
+DDEFS += $(PRIMARY_COMMUNICATION_PORT_USART2)
+
diff --git a/firmware/config/boards/hellen/hellen-common144.mk b/firmware/config/boards/hellen/hellen-common144.mk
index 887795b1ff..9eb6ee898a 100644
--- a/firmware/config/boards/hellen/hellen-common144.mk
+++ b/firmware/config/boards/hellen/hellen-common144.mk
@@ -6,4 +6,6 @@ endif
 
 DDEFS += $(LED_CRITICAL_ERROR_BRAIN_PIN)
 
+PRIMARY_COMMUNICATION_PORT_USART2=-DEFI_CONSOLE_TX_BRAIN_PIN=GPIOD_6 -DEFI_CONSOLE_RX_BRAIN_PIN=GPIOD_5 -DTS_PRIMARY_PORT=UARTD2 -DSTM32_UART_USE_USART2=1
+
 include $(BOARDS_DIR)/hellen/hellen-common.mk
\ No newline at end of file
diff --git a/firmware/config/boards/hellen/hellen-nb1/board.mk b/firmware/config/boards/hellen/hellen-nb1/board.mk
index 9f28d1e997..8cf68eb696 100644
--- a/firmware/config/boards/hellen/hellen-nb1/board.mk
+++ b/firmware/config/boards/hellen/hellen-nb1/board.mk
@@ -16,9 +16,7 @@ DDEFS += -DFIRMWARE_ID=\"hellenNB1\" $(DEFAULT_ENGINE_TYPE)
 DDEFS += -DEFI_SOFTWARE_KNOCK=TRUE -DSTM32_ADC_USE_ADC3=TRUE
 DDEFS += -DHAL_TRIGGER_USE_PAL=TRUE
 
-
+include $(BOARDS_DIR)/hellen/hellen-common144.mk
 
 # Enable serial pins on expansion header
-DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=GPIOD_6 -DEFI_CONSOLE_RX_BRAIN_PIN=GPIOD_5 -DTS_PRIMARY_PORT=UARTD2 -DSTM32_UART_USE_USART2=1
-
-include $(BOARDS_DIR)/hellen/hellen-common144.mk
+DDEFS += $(PRIMARY_COMMUNICATION_PORT_USART2)
diff --git a/firmware/config/boards/hellen/hellenNA8_96/board.mk b/firmware/config/boards/hellen/hellenNA8_96/board.mk
index 526b23ebb7..9a44a14054 100644
--- a/firmware/config/boards/hellen/hellenNA8_96/board.mk
+++ b/firmware/config/boards/hellen/hellenNA8_96/board.mk
@@ -18,11 +18,8 @@ DDEFS += -DEFI_MAIN_RELAY_CONTROL=TRUE
 DDEFS += -DFIRMWARE_ID=\"hellenNB1\" $(DEFAULT_ENGINE_TYPE)
 DDEFS += -DEFI_SOFTWARE_KNOCK=TRUE -DSTM32_ADC_USE_ADC3=TRUE
 DDEFS += -DHAL_TRIGGER_USE_PAL=TRUE
-
-
-
-# Enable serial pins on expansion header
-DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=GPIOD_6 -DEFI_CONSOLE_RX_BRAIN_PIN=GPIOD_5 -DTS_PRIMARY_PORT=UARTD2 -DSTM32_UART_USE_USART2=1
-
 include $(BOARDS_DIR)/hellen/hellen-common144.mk
 
+# Enable serial pins on expansion header
+DDEFS += $(PRIMARY_COMMUNICATION_PORT_USART2)
+