diff --git a/.travis.yml b/.travis.yml
index 4ce4b7877f02c6b29bc4d92c7e9b382e92d00dc7..6b3a32653d50b62d35695d16a1f2d9a09b7ee2a3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ matrix:
     - os: linux
 
 env:
-- PYENV_PYTHON_VERSION=3.5.0
+- PYENV_PYTHON_VERSION=3.4.3
 
 before_install:
 - ci/travis/before_install.sh
diff --git a/setup.py b/setup.py
index d3b230f5e4d0afba0b369caf846a097826fea521..7ba44bd5fa9e69630da302d52b0e35123ef8fe97 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ print(os.environ)
 includes = ["sip", "re", "json", "logging",
             "hashlib", "os", "urllib",
             "ucoinpy", "pylibscrypt", "aiohttp", "asyncio",
-            "quamash", "jsonschema", "importlib.abc"]
+            "quamash", "jsonschema"]
 exclude = ['.git']
 packages = ["libnacl", "encodings", "jsonschema"]