diff --git a/bin/run-docker b/bin/run-docker
index 21da776e..944d527d 100755
--- a/bin/run-docker
+++ b/bin/run-docker
@@ -49,7 +49,6 @@ docker run --rm $DOCKER_RUN_INTERACTIVE_OPTS \
        --mount type=volume,source=kaleidoscope-build,destination=/kaleidoscope/hardware/keyboardio/avr/libraries/Kaleidoscope/_build,consistency=delegated \
        --env ARDUINO_DIRECTORIES_DATA=/arduino-cli/data \
        --env ARDUINO_DIRECTORIES_USER=/kaleidoscope \
-       --env MAKEFLAGS=${MAKEFLAGS}
        kaleidoscope/docker "$*"