diff --git a/.travis.yml b/.travis.yml
index 57b89f6b..a8327234 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,8 @@ python:
   - "3.6"
   - "3.7-dev"
   - "pypy"
-  - "pypy3"
+  # - "pypy3" # TODO: pkg_config issues
+
 # command to install dependencies
 install:
   - "python setup.py develop"