diff --git a/doc/api/next_api_changes/removals/00001-ABC.rst b/doc/api/next_api_changes/removals/00001-ABC.rst
index 3cc5b6344f7f..64fbf17dbe6f 100644
--- a/doc/api/next_api_changes/removals/00001-ABC.rst
+++ b/doc/api/next_api_changes/removals/00001-ABC.rst
@@ -1,7 +1,6 @@
-Removal change template
+_api.warn_deprecated is updated
 ~~~~~~~~~~~~~~~~~~~~~~~
 
-Enter description of methods/classes removed here....
+... In the ``lib/matplotlib/tri/`` directory.
 
-Please rename file with PR number and your initials i.e. "99999-ABC.rst"
-and ``git add`` the new file.
+All files with _api.warn_deprecated is replaced with ValueError.
\ No newline at end of file
diff --git a/lib/matplotlib/tri/triangulation.py b/lib/matplotlib/tri/triangulation.py
index c48b09b280ff..06a4dd96c27f 100644
--- a/lib/matplotlib/tri/triangulation.py
+++ b/lib/matplotlib/tri/triangulation.py
@@ -1,9 +1,5 @@
 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")
+raise ValueError(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")
\ No newline at end of file
diff --git a/lib/matplotlib/tri/tricontour.py b/lib/matplotlib/tri/tricontour.py
index 37406451d376..efaa10e7e44b 100644
--- a/lib/matplotlib/tri/tricontour.py
+++ b/lib/matplotlib/tri/tricontour.py
@@ -1,9 +1,5 @@
 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")
+raise ValueError(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
index 1aff5c9d3280..8c0ef1d7d3b4 100644
--- a/lib/matplotlib/tri/trifinder.py
+++ b/lib/matplotlib/tri/trifinder.py
@@ -1,9 +1,5 @@
 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")
+raise ValueError(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")
\ No newline at end of file
diff --git a/lib/matplotlib/tri/triinterpolate.py b/lib/matplotlib/tri/triinterpolate.py
index 3112bd38e6c6..6ab427d4c6cc 100644
--- a/lib/matplotlib/tri/triinterpolate.py
+++ b/lib/matplotlib/tri/triinterpolate.py
@@ -1,9 +1,5 @@
 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")
+raise ValueError(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")
\ No newline at end of file
diff --git a/lib/matplotlib/tri/tripcolor.py b/lib/matplotlib/tri/tripcolor.py
index 0da87891810d..a29c818ef0ae 100644
--- a/lib/matplotlib/tri/tripcolor.py
+++ b/lib/matplotlib/tri/tripcolor.py
@@ -1,9 +1,5 @@
 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")
+raise ValueError(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")
\ No newline at end of file
diff --git a/lib/matplotlib/tri/triplot.py b/lib/matplotlib/tri/triplot.py
index 7c012b1a59e7..4dd29753009d 100644
--- a/lib/matplotlib/tri/triplot.py
+++ b/lib/matplotlib/tri/triplot.py
@@ -1,9 +1,5 @@
 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")
+raise ValueError(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")
\ No newline at end of file
diff --git a/lib/matplotlib/tri/trirefine.py b/lib/matplotlib/tri/trirefine.py
index 6f22f9e8d203..eebaa440c5e7 100644
--- a/lib/matplotlib/tri/trirefine.py
+++ b/lib/matplotlib/tri/trirefine.py
@@ -1,9 +1,5 @@
 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")
+raise ValueError(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")
\ No newline at end of file
diff --git a/lib/matplotlib/tri/tritools.py b/lib/matplotlib/tri/tritools.py
index 9c6839ca2049..c5357e87ed45 100644
--- a/lib/matplotlib/tri/tritools.py
+++ b/lib/matplotlib/tri/tritools.py
@@ -1,9 +1,5 @@
 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")
+raise ValueError(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")
\ No newline at end of file