diff --git a/.gitignore b/.gitignore
index ec439bf87..0ffe97575 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,10 @@ env
 .tox
 hashindex.c
 chunker.c
+crypto.c
+platform_darwin.c
+platform_freebsd.c
+platform_linux.c
 *.egg-info
 *.pyc
 *.pyo