diff --git a/stacosys/__init__.py b/stacosys/__init__.py
index 1a72d32..3b3dacb 100644
--- a/stacosys/__init__.py
+++ b/stacosys/__init__.py
@@ -1 +1 @@
-__version__ = '1.1.0'
+__version__ = '2.0'
diff --git a/stacosys/conf/__init__.py b/stacosys/conf/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/stacosys/core/__init__.py b/stacosys/core/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/stacosys/model/__init__.py b/stacosys/model/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/__init__.py b/tests/__init__.py
deleted file mode 100644
index e69de29..0000000