diff --git a/tox.ini b/tox.ini
index f4ed2e2..2b6309e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,6 @@ extras =
     pdf
     rst
     testing
-deps=
 passenv=
     ALL_TESTS
 commands=
@@ -17,5 +16,4 @@ commands=
 
 [testenv:blockdiag_dev]
 deps=
-    {[testenv]deps}
     git+https://github.com/blockdiag/blockdiag.git