diff --git a/youtube_dl/postprocessor/execafterdownload.py b/youtube_dl/postprocessor/execafterdownload.py
index 1c51e53da..da60671d2 100644
--- a/youtube_dl/postprocessor/execafterdownload.py
+++ b/youtube_dl/postprocessor/execafterdownload.py
@@ -1,8 +1,6 @@
 from __future__ import unicode_literals
 
 import subprocess
-import sys
-import numbers
 
 from .common import PostProcessor
 from ..compat import compat_shlex_quote