diff --git a/tox.ini b/tox.ini
index 8729f790..bf27a98a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion = 4.6.0
 skipsdist = True
-envlist = docs,functional,molecule
+envlist = docs,molecule
 
 [testenv]
 usedevelop = False