diff --git a/firmware/openblt.mk b/firmware/openblt.mk
index 604749340a..d0c1b51eeb 100644
--- a/firmware/openblt.mk
+++ b/firmware/openblt.mk
@@ -117,7 +117,7 @@ OPTFLAGS    = -Os
 STDFLAGS    =  -fno-strict-aliasing
 STDFLAGS   += -fdata-sections -ffunction-sections -Wall -g3
 CFLAGS      = $(PORTFLAGS) $(BRDFLAGS) $(STDFLAGS) $(OPTFLAGS)
-CFLAGS     += -DUSE_FULL_LL_DRIVER -DUSE_HAL_DRIVER -DSTM32F767xx
+CFLAGS     += -DUSE_FULL_LL_DRIVER -DUSE_HAL_DRIVER
 CFLAGS     += $(INC_PATH)
 AFLAGS      = $(CFLAGS)
 LFLAGS     += $(PORTFLAGS) $(BRDFLAGS) $(STDFLAGS) $(OPTFLAGS)