diff --git a/radio/src/fonts/std/font_05x07_avr.png b/radio/src/fonts/std/font_05x07_avr.png
deleted file mode 100644
index 9ba3b3aa6..000000000
Binary files a/radio/src/fonts/std/font_05x07_avr.png and /dev/null differ
diff --git a/radio/util/checksize.py b/radio/util/checksize.py
deleted file mode 100755
index 6ca91755f..000000000
--- a/radio/util/checksize.py
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/usr/bin/env python
-
-# The commands used to compare 2.2 flash usage
-# on 2.1 release: make PCB=9X EXT=FRSKY VOICE=YES AUDIO=YES AUTOSOURCE=YES AUTOSWITCH=YES HELI=YES TEMPLATES=YES GAUGES=NO
-#   => 64818 (program) + 3236 (data)
-# on 2.2 release: cmake -DPCB=9X -DTELEMETRY=FRSKY -DAUDIO=YES -DVOICE=YES -DHELI=YES -DTEMPLATES=YES ~/git/opentx
-#   => 64828 (program) + 3236 (data)
-
-from __future__ import print_function
-import os
-import sys
-import subprocess
-
-index = -1
-size = None
-
-options = sys.argv[1:]
-srcdir = os.path.dirname(os.path.realpath(__file__)) + "/../.."
-buildir = os.getcwd()
-
-while 1:
-    sys.stdout.flush()
-    index += 1
-
-    os.chdir(srcdir)
-    cmd = ["git", "reset", "--hard", "FETCH_HEAD~%d" % index]
-    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    output, error = proc.communicate()
-    if proc.returncode != 0:
-        print("HEAD~%d git reset failed" % index)
-        continue
-
-    os.chdir(buildir)
-    cmd = ["cmake"] + options + [srcdir]
-    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    output, error = proc.communicate()
-    if proc.returncode != 0:
-        print("HEAD~%d cmake failed" % index)
-        continue
-
-    cmd = ["make", "-j4", "firmware"]
-    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    output, error = proc.communicate()
-    if proc.returncode != 0:
-        print("HEAD~%d make firmware failed" % index)
-        continue
-
-    if os.path.isfile("firmware.bin"):
-        oldsize = os.stat("firmware.bin").st_size
-    else:
-        oldsize = int(subprocess.check_output('avr-size -A firmware.hex | grep Total | cut -f2- -d " "', shell=True))
-    if size:
-        if size > oldsize:
-            print("HEAD~%d %d: increase by %d bytes" % (index-1, size, size-oldsize))
-        elif size < oldsize:
-            print("HEAD~%d %d: decrease by %d bytes" % (index-1, size, oldsize-size))
-        else:
-            print("HEAD~%d %d" % (index-1, size))
-    size = oldsize
-
-