diff --git a/tox.ini b/tox.ini
index 445e394..1b5b207 100644
--- a/tox.ini
+++ b/tox.ini
@@ -89,4 +89,10 @@ show-source = True
 # W503 line break before binary operator
 # W504 line break after binary operator
 ignore = W503,W504
+# [H106] Do not put vim configuration in source files.
+# [H203] Use assertIs(Not)None to check for None.
+# [H204] Use assert(Not)Equal to check for equality.
+# [H205] Use assert(Greater|Less)(Equal) for comparison.
+# [H904] Delay string interpolations at logging calls.
+enable-extensions=H106,H203,H204,H205,H904
 exclude=.venv,.git,.tox,dist,doc,*egg,build