diff --git a/src/pluggy/__init__.py b/src/pluggy/__init__.py
index 36ce1680..8aacb0bc 100644
--- a/src/pluggy/__init__.py
+++ b/src/pluggy/__init__.py
@@ -25,13 +25,25 @@
 from ._hooks import HookCaller
 from ._hooks import HookImpl
 from ._hooks import HookimplMarker
-from ._hooks import HookimplOpts
 from ._hooks import HookRelay
 from ._hooks import HookspecMarker
-from ._hooks import HookspecOpts
 from ._manager import PluginManager
 from ._manager import PluginValidationError
 from ._result import HookCallError
 from ._result import Result
 from ._warnings import PluggyTeardownRaisedWarning
 from ._warnings import PluggyWarning
+
+
+TYPE_CHECKING = False
+if TYPE_CHECKING:
+    from ._types import HookimplOpts
+    from ._types import HookspecOpts
+else:
+
+    def __getattr__(name: str) -> object:
+        if name.endswith("Opts"):
+            from . import _types
+
+            return getattr(_types, name)
+        raise AttributeError(name)
diff --git a/src/pluggy/_hooks.py b/src/pluggy/_hooks.py
index c1a6f9c7..bb442ec5 100644
--- a/src/pluggy/_hooks.py
+++ b/src/pluggy/_hooks.py
@@ -26,7 +26,6 @@
     from typing import Sequence
     from typing import Tuple
     from typing import TYPE_CHECKING
-    from typing import TypedDict
     from typing import TypeVar
     from typing import Union
 
@@ -42,41 +41,8 @@
     _HookImplFunction = Callable[..., Union[_T, Generator[None, Result[_T], None]]]
     _CallHistory = List[Tuple[Mapping[str, object], Optional[Callable[[Any], None]]]]
 
-    class HookspecOpts(TypedDict):
-        """Options for a hook specification."""
-
-        #: Whether the hook is :ref:`first result only <firstresult>`.
-        firstresult: bool
-        #: Whether the hook is :ref:`historic <historic>`.
-        historic: bool
-        #: Whether the hook :ref:`warns when implemented <warn_on_impl>`.
-        warn_on_impl: Warning | None
-        #: Whether the hook warns when :ref:`certain arguments are requested
-        #: <warn_on_impl>`.
-        #:
-        #: .. versionadded:: 1.5
-        warn_on_impl_args: Mapping[str, Warning] | None
-
-    class HookimplOpts(TypedDict):
-        """Options for a hook implementation."""
-
-        #: Whether the hook implementation is a :ref:`wrapper <hookwrapper>`.
-        wrapper: bool
-        #: Whether the hook implementation is an :ref:`old-style wrapper
-        #: <old_style_hookwrappers>`.
-        hookwrapper: bool
-        #: Whether validation against a hook specification is :ref:`optional
-        #: <optionalhook>`.
-        optionalhook: bool
-        #: Whether to try to order this hook implementation :ref:`first
-        #: <callorder>`.
-        tryfirst: bool
-        #: Whether to try to order this hook implementation :ref:`last
-        #: <callorder>`.
-        trylast: bool
-        #: The name of the hook specification to match, see :ref:`specname`.
-        specname: str | None
-
+    from ._types import HookimplOpts
+    from ._types import HookspecOpts
 else:
 
     def final(func: _F) -> _F:
@@ -382,8 +348,6 @@ def __init__(self) -> None:
 
         def __getattr__(self, name: str) -> HookCaller: ...
 
-    _CallHistory = List[Tuple[Mapping[str, object], Optional[Callable[[Any], None]]]]
-
 
 # Historical name (pluggy<=1.2), kept for backward compatibility.
 _HookRelay = HookRelay
diff --git a/src/pluggy/_manager.py b/src/pluggy/_manager.py
index 87259451..10c16ef6 100644
--- a/src/pluggy/_manager.py
+++ b/src/pluggy/_manager.py
@@ -27,9 +27,9 @@
 
     from ._hooks import _HookImplFunction
     from ._hooks import _Namespace
-    from ._hooks import HookimplOpts
-    from ._hooks import HookspecOpts
     from ._importlib_metadata import DistFacade
+    from ._types import HookimplOpts
+    from ._types import HookspecOpts
 
 _BeforeTrace: TypeAlias = "Callable[[str, Sequence[HookImpl], Mapping[str, Any]], None]"
 _AfterTrace: TypeAlias = (
diff --git a/src/pluggy/_types.py b/src/pluggy/_types.py
new file mode 100644
index 00000000..1e978f8e
--- /dev/null
+++ b/src/pluggy/_types.py
@@ -0,0 +1,43 @@
+from typing import Mapping
+from typing import TypedDict
+import warnings
+
+
+warnings.warn(ImportWarning(f"{__name__} imported outside of type checking"))
+
+
+class HookspecOpts(TypedDict):
+    """Options for a hook specification."""
+
+    #: Whether the hook is :ref:`first result only <firstresult>`.
+    firstresult: bool
+    #: Whether the hook is :ref:`historic <historic>`.
+    historic: bool
+    #: Whether the hook :ref:`warns when implemented <warn_on_impl>`.
+    warn_on_impl: Warning | None
+    #: Whether the hook warns when :ref:`certain arguments are requested
+    #: <warn_on_impl>`.
+    #:
+    #: .. versionadded:: 1.5
+    warn_on_impl_args: Mapping[str, Warning] | None
+
+
+class HookimplOpts(TypedDict):
+    """Options for a hook implementation."""
+
+    #: Whether the hook implementation is a :ref:`wrapper <hookwrapper>`.
+    wrapper: bool
+    #: Whether the hook implementation is an :ref:`old-style wrapper
+    #: <old_style_hookwrappers>`.
+    hookwrapper: bool
+    #: Whether validation against a hook specification is :ref:`optional
+    #: <optionalhook>`.
+    optionalhook: bool
+    #: Whether to try to order this hook implementation :ref:`first
+    #: <callorder>`.
+    tryfirst: bool
+    #: Whether to try to order this hook implementation :ref:`last
+    #: <callorder>`.
+    trylast: bool
+    #: The name of the hook specification to match, see :ref:`specname`.
+    specname: str | None