diff --git a/doc/api/next_api_changes/removals/26889-GC.rst b/doc/api/next_api_changes/removals/26889-GC.rst
new file mode 100644
index 000000000000..2cccc9fee113
--- /dev/null
+++ b/doc/api/next_api_changes/removals/26889-GC.rst
@@ -0,0 +1,3 @@
+Removing Deprecated API SimpleEvent
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+``matplotlib.patches.ConnectionStyle._Base.SimpleEvent``
diff --git a/lib/matplotlib/patches.py b/lib/matplotlib/patches.py
index f80df92c62fc..7b9e6e7aa060 100644
--- a/lib/matplotlib/patches.py
+++ b/lib/matplotlib/patches.py
@@ -2707,12 +2707,6 @@ class _Base:
         points. This base class defines a __call__ method, and a few
         helper methods.
         """
-
-        @_api.deprecated("3.7")
-        class SimpleEvent:
-            def __init__(self, xy):
-                self.x, self.y = xy
-
         def _in_patch(self, patch):
             """
             Return a predicate function testing whether a point *xy* is
diff --git a/lib/matplotlib/patches.pyi b/lib/matplotlib/patches.pyi
index 29fe36aa6c6b..287ea0f738ab 100644
--- a/lib/matplotlib/patches.pyi
+++ b/lib/matplotlib/patches.pyi
@@ -455,9 +455,6 @@ class BoxStyle(_Style):
 
 class ConnectionStyle(_Style):
     class _Base(ConnectionStyle):
-        class SimpleEvent:
-            def __init__(self, xy: tuple[float, float]) -> None: ...
-
         def __call__(
             self,
             posA: tuple[float, float],