diff --git a/Makefile.python b/Makefile.python
index acd9548..5a14700 100644
--- a/Makefile.python
+++ b/Makefile.python
@@ -1,56 +1,44 @@
 #    -*- mode: Makefile -*-
 
 PYMODULE := $(shell basename `pwd` | sed 's/-/./g')
 PYDIR := $(shell basename `pwd` | sed 's%-%/%g')
 
 PYTHON_BIN := $(shell test -d bin/ && find bin/ -type f -executable | xargs egrep -H '^\#.*python' | cut -f 1 -d :)
 TEST_DIRS := .
 
 TEST = python3 -m pytest
 TESTFLAGS =
-CODESPELL = codespell
-CODESPELLFLAGS =
-BLACK = python3 -m black
-BLACKFLAGS =
-FLAKE = python3 -m flake8
-FLAKEFLAGS =
 LINT = pylint3
 LINTFLAGS = --rcfile=../pylintrc
 MYPY = mypy
 MYPYFLAGS =
 
 all:
 
 .PHONY: test
 test:
 	$(TEST) $(TESTFLAGS) $(TEST_DIRS)
 
 .PHONY: coverage
 coverage:
 	$(TEST) $(TESTFLAGS) --cov=$(PYMODULE) --cov-branch $(TEST_DIRS)
 
 .PHONY: check
 check:
 	pre-commit run --all-files
 
-.PHONY: check-staged
-check-staged:
-	git diff -z --staged --name-only -- '*.py' $(PYTHON_BIN) \
-		| xargs -0 -L1 -i'{}' /bin/sh -c \
-		"git show ':{}' | $(FLAKE) $(FLAKEFLAGS) --stdin-display-name '{}' -"
-
 .PHONY: lint
 lint:
 	$(LINT) $(LINTFLAGS) $(PYMODULE)
 
 .PHONY: docs
 docs:
 	make -C docs
 
 .PHONY: distclean
 
 # Clean up Python bytecode files and a bunch of Python tool caches.
 distclean:
 	find . -type d -name __pycache__ | xargs rm -rf
 	find . -type f -name '*.pyc' -delete
 	rm -rf .tox/ .mypy_cache/