diff --git a/src/_pytest/hookspec.py b/src/_pytest/hookspec.py
index 10a9857d7..7a21837bd 100644
--- a/src/_pytest/hookspec.py
+++ b/src/_pytest/hookspec.py
@@ -381,16 +381,6 @@ def pytest_runtest_logreport(report):
 @hookspec(firstresult=True)
 def pytest_report_to_serializable(config, report):
     """
-    .. warning::
-        This hook is experimental and subject to change between pytest releases, even
-        bug fixes.
-
-        The intent is for this to be used by plugins maintained by the core-devs, such
-        as ``pytest-xdist``, ``pytest-subtests``, and as a replacement for the internal
-        'resultlog' plugin.
-
-        In the future it might become part of the public hook API.
-
     Serializes the given report object into a data structure suitable for sending
     over the wire, e.g. converted to JSON.
     """
@@ -399,16 +389,6 @@ def pytest_report_to_serializable(config, report):
 @hookspec(firstresult=True)
 def pytest_report_from_serializable(config, data):
     """
-    .. warning::
-        This hook is experimental and subject to change between pytest releases, even
-        bug fixes.
-
-        The intent is for this to be used by plugins maintained by the core-devs, such
-        as ``pytest-xdist``, ``pytest-subtests``, and as a replacement for the internal
-        'resultlog' plugin.
-
-        In the future it might become part of the public hook API.
-
     Restores a report object previously serialized with pytest_report_to_serializable().
     """