diff --git a/.gitignore b/.gitignore
index 31236db..3397f2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+/jsonschema/_version.py
+/version.txt
+
 _cache
 _static
 _templates
diff --git a/jsonschema/_version.py b/jsonschema/_version.py
deleted file mode 100644
index 94fa2c2..0000000
--- a/jsonschema/_version.py
+++ /dev/null
@@ -1,5 +0,0 @@
-
-# This file is automatically generated by setup.py.
-__version__ = '2.3.0.post141'
-__sha__ = 'gaab0979'
-__revision__ = 'gaab0979'
diff --git a/version.txt b/version.txt
deleted file mode 100644
index 2a4c929..0000000
--- a/version.txt
+++ /dev/null
@@ -1 +0,0 @@
-v2.3.0-141-gaab0979
\ No newline at end of file