diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2939100e..57c35d74 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -62,16 +62,17 @@ For more instructions see the [Pull request checklist](#pull-request-checklist)
     Install the package (in editable mode) and its development dependencies:
 
     ```bash
-    pip install -e .
+    pip install --no-deps -e .
     ```
 
 	Install development dependencies
 
-	```
+	```bash
 	pip install 'causalpy[dev]'
 	pip install 'causalpy[docs]'
 	pip install 'causalpy[test]'
 	pip install 'causalpy[lint]'
+	pip install 'pylint'
 	```
 
 	It may also be necessary to [install](https://pandoc.org/installing.html) `pandoc`. On a mac, run `brew install pandoc`.
diff --git a/Makefile b/Makefile
index 8d0ee749..657e39e4 100644
--- a/Makefile
+++ b/Makefile
@@ -4,12 +4,10 @@ init:
 	python -m pip install -e .
 
 lint:
-	pip install causalpy[lint]
 	ruff check --fix .
 	ruff format .
 
 check_lint:
-	pip install causalpy[lint]
 	ruff check .
 	ruff format --diff --check .
 	nbqa black --check .
@@ -17,13 +15,10 @@ check_lint:
 	interrogate .
 
 doctest:
-	pip install causalpy[test]
 	pytest --doctest-modules --ignore=causalpy/tests/ causalpy/
 
 test:
-	pip install causalpy[test]
 	pytest
 
 uml:
-	pip install pylint
 	pyreverse -o png causalpy --output-directory docs/source/_static --ignore tests