diff --git a/tools/compiledump.py b/tools/compiledump.py
index c313cb9..39315c9 100755
--- a/tools/compiledump.py
+++ b/tools/compiledump.py
@@ -415,6 +415,8 @@
         f.write(line)
 
 def clean_config_line(line, minify, optimize, shrink):
+  if line.lstrip().startswith('#'):
+    return False
   if ('-injars' in line or '-libraryjars' in line or
       '-print' in line or '-applymapping' in line):
     return True