diff --git a/simvue/api/objects/alert/base.py b/simvue/api/objects/alert/base.py
index 4799cd1c..1990a00c 100644
--- a/simvue/api/objects/alert/base.py
+++ b/simvue/api/objects/alert/base.py
@@ -31,6 +31,7 @@ def __init__(self, identifier: str | None = None, **kwargs) -> None:
         """Retrieve an alert from the Simvue server by identifier"""
         self._label = "alert"
         super().__init__(identifier=identifier, **kwargs)
+        self._local_only_args = ["frequency", "pattern", "aggregation"]
 
     def compare(self, other: "AlertBase") -> bool:
         """Compare this alert to another"""
diff --git a/simvue/api/objects/alert/metrics.py b/simvue/api/objects/alert/metrics.py
index e9340873..a88e1beb 100644
--- a/simvue/api/objects/alert/metrics.py
+++ b/simvue/api/objects/alert/metrics.py
@@ -30,6 +30,12 @@ def __init__(self, identifier: str | None = None, **kwargs) -> None:
         """Connect to a local or remote threshold alert by identifier"""
         self.alert = MetricThresholdAlertDefinition(self)
         super().__init__(identifier, **kwargs)
+        self._local_only_args += [
+            "rule",
+            "window",
+            "metric",
+            "threshold",
+        ]
 
     @classmethod
     def get(
@@ -117,6 +123,13 @@ def __init__(self, identifier: str | None = None, **kwargs) -> None:
         """Connect to a local or remote threshold alert by identifier"""
         self.alert = MetricRangeAlertDefinition(self)
         super().__init__(identifier, **kwargs)
+        self._local_only_args += [
+            "rule",
+            "window",
+            "metric",
+            "range_low",
+            "range_high",
+        ]
 
     def compare(self, other: "MetricsRangeAlert") -> bool:
         """Compare two MetricRangeAlerts"""
diff --git a/simvue/api/objects/artifact/base.py b/simvue/api/objects/artifact/base.py
index 6261e446..67c2bcec 100644
--- a/simvue/api/objects/artifact/base.py
+++ b/simvue/api/objects/artifact/base.py
@@ -54,6 +54,7 @@ def __init__(
         self._label = "artifact"
         self._endpoint = f"{self._label}s"
         super().__init__(identifier=identifier, _read_only=_read_only, **kwargs)
+        self._local_only_args += ["storage", "file_path", "runs"]
 
         # If the artifact is an online instance, need a place to store the response
         # from the initial creation
diff --git a/simvue/api/objects/base.py b/simvue/api/objects/base.py
index 730f41b8..679b473f 100644
--- a/simvue/api/objects/base.py
+++ b/simvue/api/objects/base.py
@@ -197,6 +197,12 @@ def __init__(
         self._read_only: bool = _read_only
         self._is_set: bool = False
         self._endpoint: str = getattr(self, "_endpoint", f"{self._label}s")
+
+        # For simvue object initialisation, unlike the server there is no nested
+        # arguments, however this means that there are extra keys during post which
+        # need removing, this attribute handles that and should be set in subclasses.
+        self._local_only_args: list[str] = []
+
         self._identifier: str | None = (
             identifier if identifier is not None else f"offline_{uuid.uuid1()}"
         )
@@ -633,6 +639,10 @@ def _post_single(
         if not is_json:
             kwargs = msgpack.packb(data or kwargs, use_bin_type=True)
 
+        # Remove any extra keys
+        for key in self._local_only_args:
+            _ = (data or kwargs).pop(key, None)
+
         _response = sv_post(
             url=f"{self._base_url}",
             headers=self._headers | {"Content-Type": "application/msgpack"},
@@ -670,6 +680,11 @@ def _post_single(
     def _put(self, **kwargs) -> dict[str, typing.Any]:
         if not self.url:
             raise RuntimeError(f"Identifier for instance of {self._label} Unknown")
+
+        # Remove any extra keys
+        for key in self._local_only_args:
+            _ = kwargs.pop(key, None)
+
         _response = sv_put(
             url=f"{self.url}", headers=self._headers, data=kwargs, is_json=True
         )
diff --git a/simvue/run.py b/simvue/run.py
index 5792a620..1cdf994c 100644
--- a/simvue/run.py
+++ b/simvue/run.py
@@ -766,7 +766,6 @@ def init(
         self._sv_obj.alerts = []
         self._sv_obj.created = time.time()
         self._sv_obj.notifications = notification
-        self._sv_obj._staging["folder_id"] = self._folder.id
 
         if self._status == "running":
             self._sv_obj.system = get_system()