diff --git a/qiskit_aer/backends/aerbackend.py b/qiskit_aer/backends/aerbackend.py
index cffb5d2aa3..c2c6ca47e0 100644
--- a/qiskit_aer/backends/aerbackend.py
+++ b/qiskit_aer/backends/aerbackend.py
@@ -406,39 +406,35 @@ def _get_value(prop_dict, prop_name):
             in_data["qubit_properties"] = qubit_properties
 
             for name in all_instructions:
-                try:
-                    for qubits, params in properties.gate_property(name).items():
-                        if set.intersection(
-                            faulty_qubits, qubits
-                        ) or not properties.is_gate_operational(name, qubits):
-                            try:
-                                # Qubits might be pre-defined by the gate config
-                                # However properties objects says the qubits is non-operational
-                                del prop_name_map[name][qubits]
-                            except KeyError:
-                                pass
-                            faulty_ops.add((name, qubits))
-                            continue
-                        if prop_name_map[name] is None:
-                            prop_name_map[name] = {}
-                        prop_name_map[name][qubits] = InstructionProperties(
-                            error=_get_value(params, "gate_error"),
-                            duration=_get_value(params, "gate_length"),
-                        )
-                    if isinstance(prop_name_map[name], dict) and any(
-                        v is None for v in prop_name_map[name].values()
-                    ):
-                        # Properties provides gate properties only for subset of qubits
-                        # Associated qubit set might be defined by the gate config here
-                        logger.info(
-                            "Gate properties of instruction %s are not provided for every qubits. "
-                            "This gate is ideal for some qubits and the rest is with finite error. "
-                            "Created backend target may confuse error-aware circuit optimization.",
-                            name,
-                        )
-                except BackendPropertyError:
-                    # This gate doesn't report any property
-                    continue
+                for qubits, params in properties.gate_property(name).items():
+                    if set.intersection(
+                        faulty_qubits, qubits
+                    ) or not properties.is_gate_operational(name, qubits):
+                        try:
+                            # Qubits might be pre-defined by the gate config
+                            # However properties objects says the qubits is non-operational
+                            del prop_name_map[name][qubits]
+                        except KeyError:
+                            pass
+                        faulty_ops.add((name, qubits))
+                        continue
+                    if prop_name_map[name] is None:
+                        prop_name_map[name] = {}
+                    prop_name_map[name][qubits] = InstructionProperties(
+                        error=_get_value(params, "gate_error"),
+                        duration=_get_value(params, "gate_length"),
+                    )
+                if isinstance(prop_name_map[name], dict) and any(
+                    v is None for v in prop_name_map[name].values()
+                ):
+                    # Properties provides gate properties only for subset of qubits
+                    # Associated qubit set might be defined by the gate config here
+                    logger.info(
+                        "Gate properties of instruction %s are not provided for every qubits. "
+                        "This gate is ideal for some qubits and the rest is with finite error. "
+                        "Created backend target may confuse error-aware circuit optimization.",
+                        name,
+                    )
 
             # Measure instruction property is stored in qubit property
             prop_name_map["measure"] = {}
diff --git a/qiskit_aer/backends/backendconfiguration.py b/qiskit_aer/backends/backendconfiguration.py
index 819095a5c2..93f6aed97f 100644
--- a/qiskit_aer/backends/backendconfiguration.py
+++ b/qiskit_aer/backends/backendconfiguration.py
@@ -160,7 +160,6 @@ def __init__(
         dt=None,
         dtm=None,
         processor_type=None,
-        parametric_pulses=None,
         **kwargs,
     ):
         """Initialize a AerBackendConfiguration Object
diff --git a/qiskit_aer/backends/backendproperties.py b/qiskit_aer/backends/backendproperties.py
index b69a063764..e026412509 100644
--- a/qiskit_aer/backends/backendproperties.py
+++ b/qiskit_aer/backends/backendproperties.py
@@ -15,8 +15,8 @@
 import copy
 import datetime
 import warnings
-import dateutil.parser
 from typing import Any, Iterable, Tuple, Union, Dict
+import dateutil.parser
 from qiskit.providers.exceptions import BackendPropertyError
 from qiskit.utils.units import apply_prefix
 from qiskit.transpiler.target import Target