diff --git a/src/libstrongswan/plugins/plugin_constructors.py b/src/libstrongswan/plugins/plugin_constructors.py
index d9c40e383..f9d40ee0e 100644
--- a/src/libstrongswan/plugins/plugin_constructors.py
+++ b/src/libstrongswan/plugins/plugin_constructors.py
@@ -13,7 +13,6 @@
 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # for more details.
 
-import sys
 from argparse import ArgumentParser
 
 def generate_output(plugins):