diff --git a/src/qibochem/ansatz/qeb.py b/src/qibochem/ansatz/qeb.py
index acf5bd5..739018f 100644
--- a/src/qibochem/ansatz/qeb.py
+++ b/src/qibochem/ansatz/qeb.py
@@ -1,7 +1,7 @@
 from qibo import Circuit, gates
 
 
-def qeb_circuit(n_qubits, excitation, theta=0.0, trotter_steps=1) -> Circuit:
+def qeb_circuit(n_qubits, excitation, theta=0.0) -> Circuit:
     r"""
     Qubit-excitation-based (QEB) circuit corresponding to the unitary coupled-cluster ansatz for a single excitation