diff --git a/.gitignore b/.gitignore
index 6d2df0efedb9d789eac7c74169882779ea2afe7f..624dafd73262b40f7ab37576ba20f783ad090388 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,13 +1,10 @@
 *.jpeg
-*.nist
-*.an2
 *.pyc
 NIST.egg-info/
 build/
 dist/
 NIST/version.py
 NISTold/
-sample/
 doc/_build/*
 doc/version.py
 *.orig