diff --git a/.travis.yml b/.travis.yml
index e44b38c..c872fde 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,6 +23,7 @@ notifications:
 before_install:
   - |
     if [ "${TRAVIS_OS_NAME}" == osx ]; then
+      rm '/usr/local/include/c++'
       brew install python3 ||
       brew upgrade python3
     fi