diff --git a/newsfragments/15.removal.rst b/newsfragments/15.removal.rst
new file mode 100644
index 0000000..d9781b8
--- /dev/null
+++ b/newsfragments/15.removal.rst
@@ -0,0 +1 @@
+Remove unused_tcp_port{,_factory} fixtures
diff --git a/pytest_trio/plugin.py b/pytest_trio/plugin.py
index a6b2bef..5546e29 100644
--- a/pytest_trio/plugin.py
+++ b/pytest_trio/plugin.py
@@ -209,33 +209,6 @@ def pytest_exception_interact(node, call, report):
         report.longrepr = ''.join(format_exception(*call.excinfo._excinfo))
 
 
-@pytest.fixture
-def unused_tcp_port():
-    """Find an unused localhost TCP port from 1024-65535 and return it."""
-    with contextlib.closing(socket.socket()) as sock:
-        sock.bind(('127.0.0.1', 0))
-        return sock.getsockname()[1]
-
-
-@pytest.fixture
-def unused_tcp_port_factory():
-    """A factory function, producing different unused TCP ports."""
-    produced = set()
-
-    def factory():
-        """Return an unused port."""
-        port = unused_tcp_port()
-
-        while port in produced:
-            port = unused_tcp_port()
-
-        produced.add(port)
-
-        return port
-
-    return factory
-
-
 @pytest.fixture
 def mock_clock():
     return MockClock()