diff --git a/python/dataclasses.py b/python/dataclasses.py
deleted file mode 100644
index 1c5b97cc..00000000
--- a/python/dataclasses.py
+++ /dev/null
@@ -1,59 +0,0 @@
-def _wrapped__init__(self, *args, **kwargs):
-    cls = type(self)
-    cls_d = cls.__dict__
-    fields: tuple[str] = cls.__annotations__
-    i = 0   # index into args
-    for field in fields:
-        if field in kwargs:
-            setattr(self, field, kwargs.pop(field))
-        else:
-            if i < len(args):
-                setattr(self, field, args[i])
-                ++i
-            elif field in cls_d:    # has default value
-                setattr(self, field, cls_d[field])
-            else:
-                raise TypeError(f"{cls.__name__} missing required argument {field!r}")
-    if len(args) > i:
-        raise TypeError(f"{cls.__name__} takes {len(field)} positional arguments but {len(args)} were given")
-    if len(kwargs) > 0:
-        raise TypeError(f"{cls.__name__} got an unexpected keyword argument {next(iter(kwargs))!r}")
-
-def _wrapped__repr__(self):
-    fields: tuple[str] = type(self).__annotations__
-    obj_d = self.__dict__
-    args: list = [f"{field}={obj_d[field]!r}" for field in fields]
-    return f"{type(self).__name__}({', '.join(args)})"
-
-def _wrapped__eq__(self, other):
-    if type(self) is not type(other):
-        return False
-    fields: tuple[str] = type(self).__annotations__
-    for field in fields:
-        if getattr(self, field) != getattr(other, field):
-            return False
-    return True
-
-def dataclass(cls: type):
-    assert type(cls) is type
-    cls_d = cls.__dict__
-    if '__init__' not in cls_d:
-        cls.__init__ = _wrapped__init__
-    if '__repr__' not in cls_d:
-        cls.__repr__ = _wrapped__repr__
-    if '__eq__' not in cls_d:
-        cls.__eq__ = _wrapped__eq__
-    fields: tuple[str] = cls.__annotations__
-    has_default = False
-    for field in fields:
-        if field in cls_d:
-            has_default = True
-        else:
-            if has_default:
-                raise TypeError(f"non-default argument {field!r} follows default argument")
-    return cls
-
-def asdict(obj) -> dict:
-    fields: tuple[str] = type(obj).__annotations__
-    obj_d = obj.__dict__
-    return {field: obj_d[field] for field in fields}
diff --git a/python/typing.py b/python/typing.py
index cac5e480..90a7fea7 100644
--- a/python/typing.py
+++ b/python/typing.py
@@ -20,6 +20,9 @@ Callable = _PLACEHOLDER
 Type = _PLACEHOLDER
 Protocol = _PLACEHOLDER
 
+Literal = _PLACEHOLDER
+LiteralString = _PLACEHOLDER
+
 Iterable = _PLACEHOLDER
 Generator = _PLACEHOLDER
 
diff --git a/src/pocketpy.cpp b/src/pocketpy.cpp
index b7fa059b..85042607 100644
--- a/src/pocketpy.cpp
+++ b/src/pocketpy.cpp
@@ -1444,7 +1444,7 @@ void VM::post_init(){
     add_module_csv(this);
     add_module_dataclasses(this);
 
-    for(const char* name: {"this", "functools", "heapq", "bisect", "pickle", "_long", "colorsys", "typing", "datetime", "dataclasses", "cmath"}){
+    for(const char* name: {"this", "functools", "heapq", "bisect", "pickle", "_long", "colorsys", "typing", "datetime", "cmath"}){
         _lazy_modules[name] = kPythonLibs[name];
     }