diff --git a/tox.ini b/tox.ini
index a6d0532d..d76628e5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,6 @@ envlist =
   lint
   docs
 skipdist = True
-isolated_build = True
 
 [testenv]
 usedevelop = True