diff --git a/examples/atmelavr-and-arduino/arduino-external-libs/platformio.ini b/examples/atmelavr-and-arduino/arduino-external-libs/platformio.ini
index 8b2638cc..c6541c34 100644
--- a/examples/atmelavr-and-arduino/arduino-external-libs/platformio.ini
+++ b/examples/atmelavr-and-arduino/arduino-external-libs/platformio.ini
@@ -21,43 +21,3 @@
 platform = atmelavr
 framework = arduino
 board = uno
-
-[env:arduino_ethernet]
-platform = atmelavr
-framework = arduino
-board = ethernet
-
-[env:arduino_leonardo]
-platform = atmelavr
-framework = arduino
-board = leonardo
-
-[env:arduino_pro16MHzatmega168]
-platform = atmelavr
-framework = arduino
-board = pro16MHzatmega168
-
-[env:arduino_megaatmega1280]
-platform = atmelavr
-framework = arduino
-board = megaatmega1280
-
-[env:arduino_micro]
-platform = atmelavr
-framework = arduino
-board = micro
-
-[env:arduino_robotControl]
-platform = atmelavr
-framework = arduino
-board = robotControl
-
-[env:arduino_yun]
-platform = atmelavr
-framework = arduino
-board = yun
-
-#[env:arduino_due]
-#platform = atmelsam
-#framework = arduino
-#board = due