diff --git a/CHANGES.rst b/CHANGES.rst
index 3f986246..9c483ef9 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,8 @@ Version 2.1.0
 
 Unreleased
 
+-   Remove ``soft_unicode``, which was previously deprecated. Use
+    ``soft_str`` instead. :pr:`261`
 -   Raise error on missing single placeholder during string
     interpolation. :issue:`225`
 
diff --git a/src/markupsafe/__init__.py b/src/markupsafe/__init__.py
index d1bf1876..ae39f917 100644
--- a/src/markupsafe/__init__.py
+++ b/src/markupsafe/__init__.py
@@ -285,9 +285,7 @@ def __float__(self) -> float:
     from ._speedups import escape as escape
     from ._speedups import escape_silent as escape_silent
     from ._speedups import soft_str as soft_str
-    from ._speedups import soft_unicode
 except ImportError:
     from ._native import escape as escape
     from ._native import escape_silent as escape_silent  # noqa: F401
     from ._native import soft_str as soft_str  # noqa: F401
-    from ._native import soft_unicode  # noqa: F401
diff --git a/src/markupsafe/_native.py b/src/markupsafe/_native.py
index 6f7eb7a8..8117b271 100644
--- a/src/markupsafe/_native.py
+++ b/src/markupsafe/_native.py
@@ -61,15 +61,3 @@ def soft_str(s: t.Any) -> str:
         return str(s)
 
     return s
-
-
-def soft_unicode(s: t.Any) -> str:
-    import warnings
-
-    warnings.warn(
-        "'soft_unicode' has been renamed to 'soft_str'. The old name"
-        " will be removed in MarkupSafe 2.1.",
-        DeprecationWarning,
-        stacklevel=2,
-    )
-    return soft_str(s)
diff --git a/src/markupsafe/_speedups.c b/src/markupsafe/_speedups.c
index 44967b1f..3c463fb8 100644
--- a/src/markupsafe/_speedups.c
+++ b/src/markupsafe/_speedups.c
@@ -254,19 +254,6 @@ soft_str(PyObject *self, PyObject *s)
 }
 
 
-static PyObject*
-soft_unicode(PyObject *self, PyObject *s)
-{
-	PyErr_WarnEx(
-		PyExc_DeprecationWarning,
-		"'soft_unicode' has been renamed to 'soft_str'. The old name"
-		" will be removed in MarkupSafe 2.1.",
-		2
-	);
-	return soft_str(self, s);
-}
-
-
 static PyMethodDef module_methods[] = {
 	{
 		"escape",
@@ -308,12 +295,6 @@ static PyMethodDef module_methods[] = {
 		">>> escape(soft_str(value))\n"
 		"Markup('<User 1>')\n"
 	},
-	{
-		"soft_unicode",
-		(PyCFunction)soft_unicode,
-		METH_O,
-		""
-	},
 	{NULL, NULL, 0, NULL}  /* Sentinel */
 };
 
diff --git a/tests/conftest.py b/tests/conftest.py
index 13f938ce..d040ea8b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -35,8 +35,3 @@ def escape_silent(_mod):
 @pytest.fixture(scope="session")
 def soft_str(_mod):
     return _mod.soft_str
-
-
-@pytest.fixture(scope="session")
-def soft_unicode(_mod):
-    return _mod.soft_unicode
diff --git a/tests/test_markupsafe.py b/tests/test_markupsafe.py
index 1d4ac2e2..2f138854 100644
--- a/tests/test_markupsafe.py
+++ b/tests/test_markupsafe.py
@@ -184,8 +184,3 @@ def test_soft_str(soft_str):
     assert type(soft_str("")) is str
     assert type(soft_str(Markup())) is Markup
     assert type(soft_str(15)) is str
-
-
-def test_soft_unicode_deprecated(soft_unicode):
-    with pytest.warns(DeprecationWarning):
-        assert type(soft_unicode(Markup())) is Markup