diff --git a/doc/changelog.rst b/doc/changelog.rst
index d3678d3083..3b2485b65e 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -12,6 +12,8 @@ PyMongo 4.19 brings a number of changes including:
 - Added support for Python 3.15.
 - Dropped support for Python 3.9 and 3.10.
 - Removed support for PyPy.
+- Removed the deprecated ``Algorithm.RANGEPREVIEW`` and
+  ``QueryType.RANGEPREVIEW`` members (`PYTHON-6009`_).
 - Added support for running the synchronous and asynchronous clients in
   subinterpreters, including inside
   ``concurrent.futures.InterpreterPoolExecutor`` (Python 3.14+). Only in
@@ -78,6 +80,7 @@ Bug fixes
 .. _PYTHON-6040: https://jira.mongodb.org/browse/PYTHON-6040
 .. _PYTHON-6111: https://jira.mongodb.org/browse/PYTHON-6111
 .. _PYTHON-6163: https://jira.mongodb.org/browse/PYTHON-6163
+.. _PYTHON-6009: https://jira.mongodb.org/browse/PYTHON-6009
 
 Changes in Version 4.18.2 (2026/09/24)
 --------------------------------------
diff --git a/pymongo/encryption_shared.py b/pymongo/encryption_shared.py
index 744da825c7..08c65510d0 100644
--- a/pymongo/encryption_shared.py
+++ b/pymongo/encryption_shared.py
@@ -90,13 +90,6 @@ class Algorithm(str, enum.Enum):
 
     .. versionadded:: 4.9
     """
-    RANGEPREVIEW = "RangePreview"
-    """**DEPRECATED** - RangePreview.
-
-    .. note:: Support for RangePreview is deprecated. Use :attr:`Algorithm.RANGE` instead.
-
-    .. versionadded:: 4.4
-    """
     STRING = "String"
     """String.
 
@@ -126,14 +119,6 @@ class QueryType(str, enum.Enum):
     .. versionadded:: 4.9
     """
 
-    RANGEPREVIEW = "RangePreview"
-    """**DEPRECATED** - Used to encrypt a value for a rangePreview query.
-
-    .. note:: Support for RangePreview is deprecated. Use :attr:`QueryType.RANGE` instead.
-
-    .. versionadded:: 4.4
-    """
-
     PREFIX = "prefix"
     """Used to encrypt a value for a prefix query.