diff --git a/bootstrap/vagrant-onap/tox.ini b/bootstrap/vagrant-onap/tox.ini
index d4b9a20..3a2743d 100644
--- a/bootstrap/vagrant-onap/tox.ini
+++ b/bootstrap/vagrant-onap/tox.ini
@@ -17,6 +17,8 @@
 whitelist_externals = bash
 commands = bash -c "find {toxinidir}/{tests,lib,tools} \
          -not \( -type f -name *.template -prune \)    \
+         -not \( -type f -name *.pem -prune \)         \
+         -not \( -type f -name *.cfg -prune \)         \
          -type f                                       \
 # E005 file does not begin with #! or have a .sh prefix
 # E006 check for lines longer than 79 columns