diff --git a/LICENSE b/LICENSE
index b4520f6..6673fee 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2014, simphony
+Copyright (c) 2014-2017 SimPhoNy
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/dev_requirements.txt b/dev_requirements.txt
deleted file mode 100644
index a9c2a96..0000000
--- a/dev_requirements.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-enum34 >= 1.0.4
-pyyaml >= 3.11
-coverage
-flake8
-numpy >= 1.4.1
-click
\ No newline at end of file
diff --git a/doc_requirements.txt b/doc_requirements.txt
deleted file mode 100644
index 5fa8178..0000000
--- a/doc_requirements.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-sphinx >= 1.2.3
-sphinxcontrib-napoleon >= 0.2.10
-git+https://github.com/simphony/simphony-common.git@0.2.0#egg=simphony
-enum34 >= 1.0.4
-stevedore >= 1.2.0
-mock
diff --git a/examples/simple_nve/simple_nve.py b/examples/simple_nve/simple_nve.py
index 9b3c702..50b3e8b 100644
--- a/examples/simple_nve/simple_nve.py
+++ b/examples/simple_nve/simple_nve.py
@@ -2,13 +2,10 @@
 
 from __future__ import print_function
 import numpy
-import simphony.engine  # noqa
 
-from simphony.api import CUDS, Simulation
-from simphony.core.cuba import CUBA
+from simphony import CUBA, CUDS, Simulation
 from simphony.cuds.meta import api
 from simphony.cuds.particles import Particle, Particles
-
 from simphony.engine import EngineInterface
 
 # ########################################################
diff --git a/latest_requirements.txt b/latest_requirements.txt
deleted file mode 100644
index 2373f0e..0000000
--- a/latest_requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
--e git+https://github.com/simphony/simphony-common.git@master#egg=simphony
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..81bc5da
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,9 @@
+git+https://github.com/simphony/simphony-common.git
+numpy
+enum34
+stevedore
+sphinx
+sphinxcontrib-napoleon
+pytest
+coverage
+mock
diff --git a/stable_requirements.txt b/stable_requirements.txt
deleted file mode 100644
index bf900fb..0000000
--- a/stable_requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
--e git+https://github.com/simphony/simphony-common.git@0.1.5#egg=simphony