diff --git a/src/qibotn/__init__.py b/src/qibotn/__init__.py
index 15addcbc..dc57e90b 100644
--- a/src/qibotn/__init__.py
+++ b/src/qibotn/__init__.py
@@ -1 +1,3 @@
-__version__ = "0.0.1.dev0"
+import importlib.metadata as im
+
+__version__ = im.version(__package__)
diff --git a/src/qibotn/backends/__init__.py b/src/qibotn/backends/__init__.py
index 6f5abdd4..e69de29b 100644
--- a/src/qibotn/backends/__init__.py
+++ b/src/qibotn/backends/__init__.py
@@ -1,2 +0,0 @@
-from qibotn.backends.cutensornet import CuTensorNet
-from qibotn.backends.quimb import QuimbBackend