diff --git a/Makefile b/Makefile
index 649daa9..3d9b103 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ test: ## Run Django tests
 .PHONY: code-cleanup
 code-cleanup: ## Black and isort the Python codebase
 	autoflake --remove-all-unused-imports --ignore-init-module-imports --remove-unused-variables \
-          --exclude "**/migrations/*,dpaste/settings/local.py" -r dpaste
+          --in-place --exclude "**/migrations/*,dpaste/settings/local.py" -r dpaste
 	isort -rc dpaste
 	black --line-length=80 --exclude='/(migrations)/' dpaste
 
diff --git a/dpaste/apps.py b/dpaste/apps.py
index 6f20a14..61dcfeb 100644
--- a/dpaste/apps.py
+++ b/dpaste/apps.py
@@ -165,7 +165,6 @@ class dpasteAppConfig(AppConfig):
          ...
         """
         from dpaste.highlight import PlainCodeHighlighter
-        from jsx.lexer import JsxLexer
 
         return [
             (self.PLAIN_CODE_SYMBOL, "Plain Code", PlainCodeHighlighter),