diff --git a/.github/workflows/build_platformio.yml b/.github/workflows/build_platformio.yml
index f3d3d0b0..263f0671 100644
--- a/.github/workflows/build_platformio.yml
+++ b/.github/workflows/build_platformio.yml
@@ -12,15 +12,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          #- env: openevse_1-6-14
-          #  python: 2.x
-          #  platformio: 6.1.5 
-          #- env: openevse_1-6-17
-          #  python: 2.x
-          #  platformio: 6.1.5 
-          - env: openevse_1-6-23
-            python: 3.x
-            platformio: 6.1.5 
           - env: openevse_1-8-3
             python: 3.x
             platformio: 6.1.5 
diff --git a/platformio.ini b/platformio.ini
index 59d8af71..97a3f5b6 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -41,29 +41,6 @@ eu_build_flags =
   -D OVERCURRENT_THRESHOLD=5
   -D OVERCURRENT_TIMEOUT=10000UL
 
-
-# Arduino 1.6.17 - requires Python 2
-[env:openevse_1-6-17]
-platform = atmelavr@1.4.1
-board = openevse
-framework = arduino
-lib_deps = ${common.lib_deps}
-upload_protocol = ${common.upload_protocol}
-upload_flags = ${common.upload_flags}
-build_src_flags=
-  ${common.us_build_flags}
-
-# Arduino 1.6.23
-[env:openevse_1-6-23]
-platform = atmelavr@1.15.0
-board = openevse
-framework = arduino
-lib_deps = ${common.lib_deps}
-upload_protocol = ${common.upload_protocol}
-upload_flags = ${common.upload_flags}
-build_src_flags=
-  ${common.us_build_flags}
-
 [env:openevse_1-8-3]
 platform = atmelavr@3.4.0
 board = openevse