diff --git a/.travis.yml b/.travis.yml
index 4e5b30ac..d2c29c99 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,8 +16,10 @@ matrix:
       env: TARGET=ci-coverage
       after_success:
         - bash <(curl -s https://codecov.io/bash)
-    - python: 3.6
-      env: TARGET=ci-check-schemafile
+      # The schema check is failing with a 403 error, possibly
+      # due to GitHub API limits.
+      #- python: 3.6
+      #- env: TARGET=ci-check-schemafile
 
 before_install: |
   export TRAVIS_PYTHON_PATH=`which python`