diff --git a/README.md b/README.md
index 2160646..6bd49d4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 # sublime_ansible_vault
+
+[![codecov](https://codecov.io/gh/adambullmer/sublime_ansible_vault/branch/master/graph/badge.svg)](https://codecov.io/gh/adambullmer/sublime_ansible_vault)
+
 Ansible vault manipulation in Sublime Text
 
 ## Pre-requisites
diff --git a/tox.ini b/tox.ini
index b6bc7f6..bef0479 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,6 @@ whitelist_externals =
 setenv =
     PYTHONPATH = {toxinidir}
     PIPENV_DOTENV_LOCATION = {toxinidir}/tests/.env
-    CODECOV_ENV =
 passenv = TOXENV CI CODECOV_TOKEN CODECOV_ENV
 
 [testenv:test]