diff --git a/bec_widgets/cli/client_utils.py b/bec_widgets/cli/client_utils.py
index d6a679a1..27746f49 100644
--- a/bec_widgets/cli/client_utils.py
+++ b/bec_widgets/cli/client_utils.py
@@ -31,7 +31,8 @@ logger = bec_logger.logger
 IGNORE_WIDGETS = ["LaunchWindow"]
 
 RegistryState: TypeAlias = dict[
-    Literal["gui_id", "name", "widget_class", "config", "__rpc__"], str | bool | dict
+    Literal["gui_id", "name", "widget_class", "config", "__rpc__", "container_proxy"],
+    str | bool | dict,
 ]
 
 # pylint: disable=redefined-outer-scope
diff --git a/bec_widgets/cli/rpc/rpc_base.py b/bec_widgets/cli/rpc/rpc_base.py
index ea86027e..db7918eb 100644
--- a/bec_widgets/cli/rpc/rpc_base.py
+++ b/bec_widgets/cli/rpc/rpc_base.py
@@ -130,6 +130,7 @@ class RPCBase:
         config: dict | None = None,
         object_name: str | None = None,
         parent=None,
+        **kwargs,
     ) -> None:
         self._client = BECClient()  # BECClient is a singleton; here, we simply get the instance
         self._config = config if config is not None else {}
@@ -150,6 +151,13 @@ class RPCBase:
         """
         Remove the widget.
         """
+        obj = self._root._server_registry.get(self._gui_id)
+        if obj is None:
+            raise ValueError(f"Widget {self._gui_id} not found.")
+        if proxy := obj.get("container_proxy"):
+            assert isinstance(proxy, str)
+            self._run_rpc("remove", gui_id=proxy)
+            return
         self._run_rpc("remove")
 
     @property
@@ -164,7 +172,15 @@ class RPCBase:
             parent = parent._parent
         return parent  # type: ignore
 
-    def _run_rpc(self, method, *args, wait_for_rpc_response=True, timeout=5, **kwargs) -> Any:
+    def _run_rpc(
+        self,
+        method,
+        *args,
+        wait_for_rpc_response=True,
+        timeout=5,
+        gui_id: str | None = None,
+        **kwargs,
+    ) -> Any:
         """
         Run the RPC call.
 
@@ -172,6 +188,8 @@ class RPCBase:
             method: The method to call.
             args: The arguments to pass to the method.
             wait_for_rpc_response: Whether to wait for the RPC response.
+            timeout: The timeout for the RPC response.
+            gui_id: The GUI ID to use for the RPC call. If None, the default GUI ID is used.
             kwargs: The keyword arguments to pass to the method.
 
         Returns:
@@ -180,7 +198,7 @@ class RPCBase:
         request_id = str(uuid.uuid4())
         rpc_msg = messages.GUIInstructionMessage(
             action=method,
-            parameter={"args": args, "kwargs": kwargs, "gui_id": self._gui_id},
+            parameter={"args": args, "kwargs": kwargs, "gui_id": gui_id or self._gui_id},
             metadata={"request_id": request_id},
         )
         # pylint: disable=protected-access
diff --git a/bec_widgets/utils/rpc_server.py b/bec_widgets/utils/rpc_server.py
index c6ee70d1..1121aad0 100644
--- a/bec_widgets/utils/rpc_server.py
+++ b/bec_widgets/utils/rpc_server.py
@@ -18,6 +18,7 @@ from bec_widgets.cli.rpc.rpc_register import RPCRegister
 from bec_widgets.utils import BECDispatcher
 from bec_widgets.utils.bec_connector import BECConnector
 from bec_widgets.utils.error_popups import ErrorPopupUtility
+from bec_widgets.widgets.containers.main_window.main_window import BECMainWindow
 
 if TYPE_CHECKING:  # pragma: no cover
     from bec_lib import messages
@@ -212,6 +213,15 @@ class RPCServer:
         config_dict = connector.config.model_dump()
         config_dict["parent_id"] = getattr(connector, "parent_id", None)
 
+        try:
+            parent = connector.parent()
+            if isinstance(parent, BECMainWindow):
+                container_proxy = parent.gui_id
+            else:
+                container_proxy = None
+        except Exception:
+            container_proxy = None
+
         if wait:
             while not self.rpc_register.object_is_registered(connector):
                 QApplication.processEvents()
@@ -225,6 +235,7 @@ class RPCServer:
             "object_name": connector.object_name or connector.__class__.__name__,
             "widget_class": widget_class,
             "config": config_dict,
+            "container_proxy": container_proxy,
             "__rpc__": True,
         }