diff --git a/Makefile b/Makefile
index 5d7b8014..08bd8b3c 100644
--- a/Makefile
+++ b/Makefile
@@ -35,9 +35,7 @@ coverage: py_env
 py_env: requirements.txt setup.py
 	rm -rf py_env
 	virtualenv py_env
-	bash -c 'source py_env/bin/activate && \
-		pip install -e . && \
-		pip install -r requirements.txt'
+	bash -c 'source py_env/bin/activate && pip install -r requirements.txt'
 
 clean:
 	rm -rf py_env
diff --git a/requirements.txt b/requirements.txt
index ccb06e82..688683ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,4 @@
-argparse
-jsonschema
-plumbum
-pyyaml
-simplejson
+-e .
 
 # Testing requirements
 coverage