diff --git a/mkhex.sh b/mkhex.sh
deleted file mode 100755
index 00c1298df0..0000000000
--- a/mkhex.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/bin/sh
-set -e
-
-if [ $# -gt 2 -o $1 = "--help" ]; then
-    echo "usage: $0 [--release|--debug] <elf-name>" >&2
-    exit 1
-fi
-
-BUILD="debug"
-if [ "$1" = "--debug" ]; then
-    shift 1
-    BUILD="debug"
-elif [ "$1" = "--release" ]; then
-    shift 1
-    BUILD="release"
-fi
-
-TARGET="$(realpath --relative-to="$(pwd)" "$(dirname "$0")/target")"
-HEX="$TARGET/$1.hex"
-ELF="$(echo "$TARGET"/avr-*/"$BUILD/examples/$1.elf")"
-
-if [ ! -e "$ELF" ]; then
-    echo "No $1.elf found.  The following binaries exist:" >&2
-    for target_dir in "$TARGET"/avr-*; do
-        for bin in "$target_dir/$BUILD/examples"/*.elf; do
-            echo "  - $(basename -s.elf "$bin")" >&2
-        done
-    done
-    exit 1
-fi
-
-avr-objcopy -S -j .text -j .data -O ihex "$ELF" "$HEX"
-
-BYTES=$(avr-size "$ELF" | tail -1 | cut -f4 | bc)
-echo "$ELF:" >&2
-echo "    $(numfmt --to=si "$BYTES") Bytes used ($BYTES exact)." >&2