diff --git a/qiskit_aer/backends/aer_simulator.py b/qiskit_aer/backends/aer_simulator.py
index f5badc852d..0205534312 100644
--- a/qiskit_aer/backends/aer_simulator.py
+++ b/qiskit_aer/backends/aer_simulator.py
@@ -15,6 +15,7 @@
 
 import copy
 import logging
+import warnings
 from qiskit.providers import convert_to_target
 from qiskit.providers.options import Options
 from qiskit.providers.backend import BackendV2, BackendV1
diff --git a/qiskit_aer/backends/aerbackend.py b/qiskit_aer/backends/aerbackend.py
index c0865acf2b..6c4086dc0c 100644
--- a/qiskit_aer/backends/aerbackend.py
+++ b/qiskit_aer/backends/aerbackend.py
@@ -29,6 +29,7 @@
 from qiskit.qobj import QasmQobj, PulseQobj
 from qiskit.result import Result
 from qiskit.transpiler import CouplingMap
+from qiskit.transpiler.target import Target
 from qiskit.circuit.library.standard_gates import get_standard_gate_name_mapping
 from ..aererror import AerError
 from ..jobs import AerJob, AerJobSet, split_qobj