diff --git a/doc/api/next_api_changes/removals/26909-VV.rst b/doc/api/next_api_changes/removals/26909-VV.rst
new file mode 100644
index 000000000000..bdb815eed322
--- /dev/null
+++ b/doc/api/next_api_changes/removals/26909-VV.rst
@@ -0,0 +1,4 @@
+``matplotlib.tri`` submodules are removed
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+The ``matplotlib.tri.*`` submodules are removed.  All functionality is
+available in ``matplotlib.tri`` directly and should be imported from there.
diff --git a/lib/matplotlib/tri/triangulation.py b/lib/matplotlib/tri/triangulation.py
deleted file mode 100644
index c48b09b280ff..000000000000
--- a/lib/matplotlib/tri/triangulation.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from ._triangulation import *  # noqa: F401, F403
-from matplotlib import _api
-
-
-_api.warn_deprecated(
-    "3.7",
-    message=f"Importing {__name__} was deprecated in Matplotlib 3.7 and will "
-            f"be removed two minor releases later. All functionality is "
-            f"available via the top-level module matplotlib.tri")
diff --git a/lib/matplotlib/tri/tricontour.py b/lib/matplotlib/tri/tricontour.py
deleted file mode 100644
index 37406451d376..000000000000
--- a/lib/matplotlib/tri/tricontour.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from ._tricontour import *  # noqa: F401, F403
-from matplotlib import _api
-
-
-_api.warn_deprecated(
-    "3.7",
-    message=f"Importing {__name__} was deprecated in Matplotlib 3.7 and will "
-            f"be removed two minor releases later. All functionality is "
-            f"available via the top-level module matplotlib.tri")
diff --git a/lib/matplotlib/tri/trifinder.py b/lib/matplotlib/tri/trifinder.py
deleted file mode 100644
index 1aff5c9d3280..000000000000
--- a/lib/matplotlib/tri/trifinder.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from ._trifinder import *  # noqa: F401, F403
-from matplotlib import _api
-
-
-_api.warn_deprecated(
-    "3.7",
-    message=f"Importing {__name__} was deprecated in Matplotlib 3.7 and will "
-            f"be removed two minor releases later. All functionality is "
-            f"available via the top-level module matplotlib.tri")
diff --git a/lib/matplotlib/tri/triinterpolate.py b/lib/matplotlib/tri/triinterpolate.py
deleted file mode 100644
index 3112bd38e6c6..000000000000
--- a/lib/matplotlib/tri/triinterpolate.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from ._triinterpolate import *  # noqa: F401, F403
-from matplotlib import _api
-
-
-_api.warn_deprecated(
-    "3.7",
-    message=f"Importing {__name__} was deprecated in Matplotlib 3.7 and will "
-            f"be removed two minor releases later. All functionality is "
-            f"available via the top-level module matplotlib.tri")
diff --git a/lib/matplotlib/tri/tripcolor.py b/lib/matplotlib/tri/tripcolor.py
deleted file mode 100644
index 0da87891810d..000000000000
--- a/lib/matplotlib/tri/tripcolor.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from ._tripcolor import *  # noqa: F401, F403
-from matplotlib import _api
-
-
-_api.warn_deprecated(
-    "3.7",
-    message=f"Importing {__name__} was deprecated in Matplotlib 3.7 and will "
-            f"be removed two minor releases later. All functionality is "
-            f"available via the top-level module matplotlib.tri")
diff --git a/lib/matplotlib/tri/triplot.py b/lib/matplotlib/tri/triplot.py
deleted file mode 100644
index 7c012b1a59e7..000000000000
--- a/lib/matplotlib/tri/triplot.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from ._triplot import *  # noqa: F401, F403
-from matplotlib import _api
-
-
-_api.warn_deprecated(
-    "3.7",
-    message=f"Importing {__name__} was deprecated in Matplotlib 3.7 and will "
-            f"be removed two minor releases later. All functionality is "
-            f"available via the top-level module matplotlib.tri")
diff --git a/lib/matplotlib/tri/trirefine.py b/lib/matplotlib/tri/trirefine.py
deleted file mode 100644
index 6f22f9e8d203..000000000000
--- a/lib/matplotlib/tri/trirefine.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from ._trirefine import *  # noqa: F401, F403
-from matplotlib import _api
-
-
-_api.warn_deprecated(
-    "3.7",
-    message=f"Importing {__name__} was deprecated in Matplotlib 3.7 and will "
-            f"be removed two minor releases later. All functionality is "
-            f"available via the top-level module matplotlib.tri")
diff --git a/lib/matplotlib/tri/tritools.py b/lib/matplotlib/tri/tritools.py
deleted file mode 100644
index 9c6839ca2049..000000000000
--- a/lib/matplotlib/tri/tritools.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from ._tritools import *  # noqa: F401, F403
-from matplotlib import _api
-
-
-_api.warn_deprecated(
-    "3.7",
-    message=f"Importing {__name__} was deprecated in Matplotlib 3.7 and will "
-            f"be removed two minor releases later. All functionality is "
-            f"available via the top-level module matplotlib.tri")