diff --git a/continuous_integration/platformio.ini b/continuous_integration/platformio.ini
index b3bf29540..9549ee2b6 100644
--- a/continuous_integration/platformio.ini
+++ b/continuous_integration/platformio.ini
@@ -69,30 +69,24 @@ lib_ignore =
     SoftwareWire
 build_unflags = -D USE_TINYUSB
 
-[env:FeatherM4]
-platform = atmelsam
-board = adafruit_feather_m4
-lib_ignore =
-    ${env.lib_ignore}
-    SoftwareSerial_ExtInts
-    AltSoftSerial
-    NeoSWSerial
-    SoftwareWire
-build_unflags = -D USE_TINYUSB
+; [env:FeatherM4]
+; platform = atmelsam
+; board = adafruit_feather_m4
+; lib_ignore =
+;     ${env.lib_ignore}
+;     SoftwareSerial_ExtInts
+;     AltSoftSerial
+;     NeoSWSerial
+;     SoftwareWire
+; build_unflags = -D USE_TINYUSB
 
-[env:GrandCentralM4]
-platform = atmelsam
-board = adafruit_grandcentral_m4
-framework = arduino
-lib_deps =
-    ${env.lib_deps}
-    RTCZero
-lib_ignore =
-    ${env.lib_ignore}
-    SoftwareSerial_ExtInts
-    AltSoftSerial
-    NeoSWSerial
-    SoftwareWire
-build_flags =
-    ${env.build_flags}
-build_unflags = -D USE_TINYUSB
+; [env:GrandCentralM4]
+; platform = atmelsam
+; board = adafruit_grandcentral_m4
+; lib_ignore =
+;     ${env.lib_ignore}
+;     SoftwareSerial_ExtInts
+;     AltSoftSerial
+;     NeoSWSerial
+;     SoftwareWire
+; build_unflags = -D USE_TINYUSB