diff --git a/.travis.yml b/.travis.yml
index ce3f10f..269e741 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: python
 python:
-  - "3.3"
   - "3.4"
   - "3.5"
   - "3.6"
diff --git a/Makefile b/Makefile
index f2d1bed..a233403 100644
--- a/Makefile
+++ b/Makefile
@@ -13,5 +13,5 @@ lint:
 
 unit:
 	@echo Running unit tests...
-	python -m pytest -s
+	pytest -s
 	@echo