diff --git a/target/dartuinoP0/init.c b/target/dartuinoP0/init.c
index da3516c9..10a4b3e6 100644
--- a/target/dartuinoP0/init.c
+++ b/target/dartuinoP0/init.c
@@ -115,23 +115,8 @@ void target_early_init(void)
     target_set_debug_led(3, false);
 }
 
-static uint8_t* gen_mac_address(void)
-{
-    static uint8_t mac_addr[6];
-
-    for (size_t i = 0; i < sizeof(mac_addr); i++) {
-        mac_addr[i] = rand() & 0xff;
-    }
-    mac_addr[5] += 1;
-    /* unicast and locally administered */
-    mac_addr[0] &= ~(1<<0);
-    mac_addr[0] |= (1<<1);
-    return mac_addr;
-}
-
 void target_init(void)
 {
-
     stm32_debug_init();
 
     qspi_flash_init(N25Q128A_FLASH_SIZE);
diff --git a/target/dartuinoP0/rules.mk b/target/dartuinoP0/rules.mk
index ec917f0a..76f52629 100644
--- a/target/dartuinoP0/rules.mk
+++ b/target/dartuinoP0/rules.mk
@@ -32,29 +32,26 @@ MODULE_SRCS += \
     $(LOCAL_DIR)/usb.c \
     $(LOCAL_DIR)/memory_lcd.c \
 
-ifeq ($(DISPLAY),LS013B7DH06)
-
+ifneq ($(DISPLAY),)
 MODULE_DEPS += \
     lib/gfx
 
+MODULE_SRCS += \
+    $(LOCAL_DIR)/memory_lcd.c
+endif
+
+ifeq ($(DISPLAY),LS013B7DH06)
 GLOBAL_DEFINES += \
     LCD_LS013B7DH06=1
+
 MODULE_SRCS += \
-    $(LOCAL_DIR)/memory_lcd.c \
-    $(LOCAL_DIR)/display/LS013B7DH06.c \
-
+    $(LOCAL_DIR)/display/LS013B7DH06.c
 else ifeq ($(DISPLAY),LS027B7DH01)
-
-MODULE_DEPS += \
-    lib/gfx
-
 GLOBAL_DEFINES += \
     LCD_LS027B7DH01=1
 
 MODULE_SRCS += \
-    $(LOCAL_DIR)/memory_lcd.c \
-    $(LOCAL_DIR)/display/LS027B7DH01.c \
-
+    $(LOCAL_DIR)/display/LS027B7DH01.c
 endif
 
 include make/module.mk