@ -352,7 +352,6 @@ platform = ${stm32_variant.platform}
extends = stm32_variant
board = genericSTM32F103ZE
board_build.variant = MARLIN_F103Zx
board_build.offset = 0x7000
build_flags = ${stm32_variant.build_flags}
-DENABLE_HWSERIAL3 -DTIMER_SERIAL=TIM5
build_unflags = ${stm32_variant.build_unflags}