diff --git a/tox.ini b/tox.ini
index fa0461b..150c2bd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -48,7 +48,6 @@ deps =
     devdeps: git+https://github.com/spacetelescope/synphot_refactor.git@master#egg=synphot
 
     cov: pytest-cov
-    cov: codecov
 
 extras =
     test