diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -83,7 +83,12 @@ CDEFS+=-DMANGUSTA_DISCOVERY
 #CDEFS+=-DUSE_USB_OTG_FS
 CDEFS+=-DHSE_VALUE=8000000
 
-MCUFLAGS=-mcpu=cortex-m3 -mthumb
+
+#EMZ Optimized: 
+MCUFLAGS=-mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections 
+
+# Default:  MCUFLAGS=-mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections
+
 #MCUFLAGS=-mcpu=cortex-m4 -mthumb -mlittle-endian -mfpu=fpa -mfloat-abi=hard -mthumb-interwork
 #MCUFLAGS=-mcpu=cortex-m4 -mfpu=vfpv4-sp-d16 -mfloat-abi=hard
 COMMONFLAGS=-O$(OPTLVL) -g -Wall