diff --git a/src/qibotn/backends/cutensornet.py b/src/qibotn/backends/cutensornet.py
index b776dec..fc010e9 100644
--- a/src/qibotn/backends/cutensornet.py
+++ b/src/qibotn/backends/cutensornet.py
@@ -186,4 +186,3 @@ class CuTensorNet(NumpyBackend):  # pragma: no cover
             return state.flatten()
         else:
             return QuantumState(state.flatten())
-