diff --git a/src/pretix/base/plugins.py b/src/pretix/base/plugins.py
index c3ab53b84..bba900d38 100644
--- a/src/pretix/base/plugins.py
+++ b/src/pretix/base/plugins.py
@@ -1,7 +1,4 @@
-try:  # NOQA
-    from enum import Enum
-except ImportError:  # NOQA
-    from flufl.enum import Enum  # remove this dependency when support for python <=3.3 is dropped
+from enum import Enum
 
 from django.apps import apps
 
diff --git a/src/requirements.txt b/src/requirements.txt
index 56ee4f3cf..ceebd0bec 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,5 +1,4 @@
 -r requirements/production.txt
--r requirements/py33.txt
 -r requirements/dev.txt
 -r requirements/testing.txt
 -r requirements/paypal.txt
diff --git a/src/requirements/py33.txt b/src/requirements/py33.txt
deleted file mode 100644
index 10c4ed66b..000000000
--- a/src/requirements/py33.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-# Polyfill for Python <3.4
-# Remove this, when Python 3.3 support is dropped
-flufl.enum