diff --git a/src/platformio.ini b/src/platformio.ini
index a956d1d2..a1ff4b82 100644
--- a/src/platformio.ini
+++ b/src/platformio.ini
@@ -379,42 +379,6 @@ build_flags = ${env:opendtufusion-ethernet.build_flags}
 monitor_filters =
     esp32_exception_decoder, colorize
 
-[env:opendtufusion-16MB]
-platform = espressif32@6.6.0
-board = esp32-s3-devkitc-1
-board_upload.flash_size = 16MB
-upload_protocol = esp-builtin
-build_flags = ${env:opendtufusion.build_flags}
-monitor_filters =
-    esp32_exception_decoder, colorize
-
-[env:opendtufusion-16MB-de]
-platform = espressif32@6.6.0
-board = esp32-s3-devkitc-1
-upload_protocol = esp-builtin
-build_flags = ${env:opendtufusion-16MB.build_flags}
-    -DLANG_DE
-monitor_filters =
-    esp32_exception_decoder, colorize
-
-[env:opendtufusion-ethernet-16MB]
-platform = espressif32@6.6.0
-board = esp32-s3-devkitc-1
-board_upload.flash_size = 16MB
-upload_protocol = esp-builtin
-build_flags = ${env:opendtufusion-ethernet.build_flags}
-monitor_filters =
-    esp32_exception_decoder, colorize
-
-[env:opendtufusion-ethernet-16MB-de]
-platform = espressif32@6.6.0
-board = esp32-s3-devkitc-1
-upload_protocol = esp-builtin
-build_flags = ${env:opendtufusion-ethernet-16MB.build_flags}
-    -DLANG_DE
-monitor_filters =
-    esp32_exception_decoder, colorize
-
 [env:opendtufusion-ethernet-zero_export]
 platform = espressif32@6.6.0
 board = esp32-s3-devkitc-1