diff --git a/tox.ini b/tox.ini
index 2afc14e..c4e4b71 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ skipsdist = True
 
 [testenv]
 usedevelop = True
-install_command = pip install --allow-external netifaces --allow-insecure netifaces -U {opts} {packages}
+install_command = pip install netifaces -U {opts} {packages}
 whitelist_externals=bash
 setenv = VIRTUAL_ENV={envdir}
          NOSE_WITH_COVERAGE=1