diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5b13e987..dd1b81f1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,10 +11,6 @@ repos:
     rev: v1.5.0
     hooks:
       - id: seed-isort-config
-  - repo: https://github.com/pre-commit/mirrors-isort
-    rev: v4.3.4
-    hooks:
-      - id: isort
   - repo: https://github.com/pre-commit/mirrors-isort
     rev: v4.3.4
     hooks:
diff --git a/tox.ini b/tox.ini
index 3cc62e53..b9a8fd75 100644
--- a/tox.ini
+++ b/tox.ini
@@ -74,6 +74,7 @@ deps = towncrier
 skip_install = true
 commands = towncrier --draft
 
+
 [testenv:typing]
 basepython = python3.7
 deps = mypy