diff --git a/MANIFEST.in b/MANIFEST.in
index 3d26d254..ef4d68ce 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -6,6 +6,7 @@ include CHANGES.md
 include Makefile
 include setup.py
 include setup.cfg
+include tox.ini
 
 include bin/markdown2
 include test/api.doctests
diff --git a/setup.py b/setup.py
index 935eae0c..05dba326 100755
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,6 @@
     platforms=["any"],
     py_modules=["markdown2"],
     package_dir={"": "lib"},
-    data_files=[("testing", ["tox.ini"])],
     entry_points={
         "console_scripts": [
             "markdown2 = markdown2:main"