diff --git a/.travis.yml b/.travis.yml
index 10a431ab..58252507 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,15 +4,15 @@ env:
   matrix:
     # see https://github.com/arduino/Arduino/blob/master/build/shared/manpage.adoc#options
     # and https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5-3rd-party-Hardware-specification#boardstxt
+    - BOARD="arduino:avr:uno"
+    - BOARD="arduino:avr:mega:cpu=atmega2560"
+    - BOARD="arduino:avr:leonardo"
+    - BOARD="esp8266:esp8266:generic:xtal=80,ResetMethod=ck,CrystalFreq=26,FlashFreq=40,FlashMode=qio,eesz=512K"
     - BOARD="esp32:esp32:esp32"
     - BOARD="STM32:stm32:GenF3:pnum=BLACKPILL_F303CC"
-    - BOARD="esp8266:esp8266:generic:xtal=80,ResetMethod=ck,CrystalFreq=26,FlashFreq=40,FlashMode=qio,eesz=512K"
-    # - BOARD="SparkFun:apollo3:amap3redboard"
     - BOARD="arduino:samd:arduino_zero_native"
     - BOARD="arduino:sam:arduino_due_x"
-    - BOARD="arduino:avr:uno"
-    - BOARD="arduino:avr:leonardo"
-    - BOARD="arduino:avr:mega:cpu=atmega2560"
+    # - BOARD="SparkFun:apollo3:amap3redboard"
 
 before_install:
   # install Arduino IDE