diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,8 +6,6 @@
 attrs
 attrs-strict
 celery >= 4.3
-# Not a direct dependency: missing from celery 4.4.4
-future >= 0.18.0
 Click
 elasticsearch > 5.4
 flask