diff --git a/platformio.ini b/platformio.ini
index ea18d72b..59f2115e 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -66,7 +66,6 @@ board = megaatmega2560
 framework = arduino
 build_flags = 
 	${env.build_flags}
-	'-DMOBIFLIGHT_TYPE="MobiFlight Mega"'
 	-I./_Boards/Atmel/Board_Mega
 build_src_filter = 
 	${env.build_src_filter}
@@ -84,7 +83,6 @@ board = sparkfun_promicro16
 framework = arduino
 build_flags = 
 	${env.build_flags}
-	'-DMOBIFLIGHT_TYPE="MobiFlight Micro"'
 	-I./_Boards/Atmel/Board_ProMicro
 build_src_filter = 
 	${env.build_src_filter}
@@ -103,7 +101,6 @@ board = uno
 framework = arduino
 build_flags = 
 	${env.build_flags}
-	'-DMOBIFLIGHT_TYPE="MobiFlight Uno"'
 	-I./_Boards/Atmel/Board_Uno
 build_src_filter = 
 	${env.build_src_filter}
@@ -121,7 +118,6 @@ board = nanoatmega328
 framework = arduino
 build_flags = 
 	${env.build_flags}
-	'-DMOBIFLIGHT_TYPE="MobiFlight Nano"'
 	-I./_Boards/Atmel/Board_Nano
 build_src_filter = 
 	${env.build_src_filter}
@@ -144,7 +140,6 @@ upload_protocol = mbed									; for debugging upoading can be changed to picopr
 ;debug_tool = picoprobe									; and uncomment this for debugging w/ picoprobe
 build_flags =
 	${env.build_flags}
-	'-DMOBIFLIGHT_TYPE="MobiFlight RaspiPico"'
 	-I./_Boards/RaspberryPi/Pico
 build_src_filter =
 	${env.build_src_filter}