diff --git a/MANIFEST.in b/MANIFEST.in
index 8c22eeb..792a672 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
 include LICENSE
 include README.rst
 include docs/*
+include tests/*.py tests/rules/*.py tests/yaml-1.2-spec-examples/*
diff --git a/setup.py b/setup.py
index e87980f..0c61d01 100644
--- a/setup.py
+++ b/setup.py
@@ -44,8 +44,7 @@ setup(
 
     packages=find_packages(exclude=['tests', 'tests.*']),
     entry_points={'console_scripts': ['yamllint=yamllint.cli:run']},
-    package_data={'yamllint': ['conf/*.yaml'],
-                  'tests': ['yaml-1.2-spec-examples/*']},
+    package_data={'yamllint': ['conf/*.yaml']},
     install_requires=['pathspec >=0.5.3', 'pyyaml'],
     test_suite='tests',
 )