diff --git a/reflex/base.py b/reflex/base.py
index c7694204c..1b282e83f 100644
--- a/reflex/base.py
+++ b/reflex/base.py
@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 import os
-from typing import Any, List, Type, Dict, Optional
+from typing import Any, List, Type
 
 import pydantic
 from pydantic import BaseModel
diff --git a/reflex/components/component.py b/reflex/components/component.py
index bdaed586c..ac4cdee0d 100644
--- a/reflex/components/component.py
+++ b/reflex/components/component.py
@@ -21,6 +21,8 @@ from typing import (
     Union,
 )
 
+from pydantic.fields import ModelPrivateAttr
+
 from reflex.base import Base
 from reflex.compiler.templates import STATEFUL_COMPONENT
 from reflex.components.tags import Tag
@@ -226,6 +228,8 @@ class Component(BaseComponent, ABC):
             inherited_rename_props = {}
             for parent in reversed(cls.mro()):
                 if issubclass(parent, Component) and parent._rename_props:
+                    if isinstance(parent._rename_props, ModelPrivateAttr):
+                        parent._rename_props = parent._rename_props.default
                     inherited_rename_props.update(parent._rename_props)
             cls._rename_props = inherited_rename_props
 
diff --git a/reflex/state.py b/reflex/state.py
index 0b00f16fb..cb726f03f 100644
--- a/reflex/state.py
+++ b/reflex/state.py
@@ -2080,6 +2080,7 @@ class StateManagerMemory(StateManager):
     class Config:
         """The Pydantic config."""
 
+        # TODO: pydantic v2
         fields = {
             "_states_locks": {"exclude": True},
         }
diff --git a/reflex/vars.py b/reflex/vars.py
index 725efdec8..e0b94da78 100644
--- a/reflex/vars.py
+++ b/reflex/vars.py
@@ -31,6 +31,7 @@ from typing import (
     get_origin,
     get_type_hints,
 )
+
 import pydantic_core
 
 from reflex import constants
@@ -248,8 +249,8 @@ def _decode_var(value: str) -> tuple[VarData | None, str]:
         def json_loads(s):
             try:
                 return VarData.model_validate(s)
-            except pydantic_core.ValidationError:
-                raise ValueError(f"Invalid VarData: {s}")
+            except pydantic_core.ValidationError as e:
+                raise ValueError(f"Invalid VarData: {s}") from e
                 #  return VarData.model_validate(var_data_config.json_loads(f'"{s}"'))
 
         # Compile regex for finding reflex var tags.