diff --git a/boards/sparkfun_esp32s2_thing_plus.json b/boards/sparkfun_esp32s2_thing_plus.json
index 269d962..f8697e7 100644
--- a/boards/sparkfun_esp32s2_thing_plus.json
+++ b/boards/sparkfun_esp32s2_thing_plus.json
@@ -32,7 +32,6 @@
     "flash_size": "4MB",
     "maximum_ram_size": 327680,
     "maximum_size": 4194304,
-    "mode": "usb",
     "use_1200bps_touch": true,
     "wait_for_upload_port": true,
     "require_upload_port": true,
diff --git a/platform.py b/platform.py
index 5a3cf29..caf2aa4 100644
--- a/platform.py
+++ b/platform.py
@@ -340,7 +340,6 @@ class Espressif32Platform(PlatformBase):
         toolchain_remap = {
             "xtensa-esp32-elf-gcc": "toolchain-xtensa-esp32",
             "xtensa-esp32s2-elf-gcc": "toolchain-xtensa-esp32s2",
-            "xtensa-esp32s3-elf-gcc": "toolchain-xtensa-esp32s3",
             "riscv32-esp-elf-gcc": "toolchain-riscv32-esp",
         }