diff --git a/.travis.yml b/.travis.yml
index 3d352e6..5f76669 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ python:
   - "3.5"
   - "3.6"
   - "nightly"
-  - "pypy-5.3.1"
   - "pypy-5.4.1"
   - "pypy-5.6.0"
   - "pypy-5.7.1"