diff --git a/src/hio/core/tcp/serving.py b/src/hio/core/tcp/serving.py
index 81c5d0d..dbd4514 100644
--- a/src/hio/core/tcp/serving.py
+++ b/src/hio/core/tcp/serving.py
@@ -291,7 +291,7 @@ def serviceAxes(self):
                               cs=cs,
                               bs=self.bs,
                               wl=self.wl,
-                              timeout=self.tymeout)
+                              tymeout=self.tymeout)
             if ca in self.ixes and self.ixes[ca] is not remoter:
                 self.shutdownIx(ca)
             self.ixes[ca] = remoter
@@ -586,7 +586,7 @@ def serviceAxes(self):
                                  bs=self.bs,
                                  cs=cs,
                                  wl=self.wl,
-                                 timeout=self.tymeout,
+                                 tymeout=self.tymeout,
                                  context=self.context,
                                  version=self.version,
                                  certify=self.certify,
diff --git a/tests/core/tcp/test_tcp.py b/tests/core/tcp/test_tcp.py
index 522209c..9e99dfc 100644
--- a/tests/core/tcp/test_tcp.py
+++ b/tests/core/tcp/test_tcp.py
@@ -161,7 +161,7 @@ def test_tcp_basic():
     assert server.opened == False
 
     tymist = tyming.Tymist()
-    with tcp.openServer(tymth=tymist.tymen(), ha=("", 6101)) as server, \
+    with tcp.openServer(tymth=tymist.tymen(), ha=("", 6101), tymeout=1.5) as server, \
          tcp.openClient(tymth=tymist.tymen(), ha=("127.0.0.1", 6101)) as beta, \
          tcp.openClient(tymth=tymist.tymen(), ha=("127.0.0.1", 6101)) as gamma:
 
@@ -199,6 +199,8 @@ def test_tcp_basic():
         assert ixBeta.cs.getpeername() == beta.cs.getsockname()  # ixBeta remote beta local
         assert ixBeta.ca == beta.ca == ixBeta.cs.getpeername()
         assert ixBeta.ha == beta.ha == ixBeta.cs.getsockname()
+        assert ixBeta.tymeout == server.tymeout == 1.5
+        assert ixBeta.tymer.duration == ixBeta.tymeout
 
         msgOut = b"Beta sends to Server"
         count = beta.send(msgOut)
@@ -535,6 +537,42 @@ def test_tcp_basic():
 
     """Done Test"""
 
+
+def test_server_idle_tymeout_enables_remoter_cleanup():
+    """
+    Test a supervisor can remove an idle Remoter at the Server's tymeout.
+    """
+    tymist = tyming.Tymist()
+    with tcp.openServer(tymth=tymist.tymen(),
+                        ha=("127.0.0.1", 0),
+                        tymeout=1.0) as server:
+        # Acceptor does not refresh .eha after binding an ephemeral port.
+        server.eha = server.ha
+
+        with tcp.openClient(tymth=tymist.tymen(), ha=server.ha) as client:
+            for _ in range(10):
+                client.serviceConnect()
+                server.serviceConnects()
+                if client.connected and client.ca in server.ixes:
+                    break
+                time.sleep(0.05)
+
+            assert client.connected == True
+            assert client.ca in server.ixes
+
+            remoter = server.ixes[client.ca]
+            assert server.tymeout == 1.0
+
+            tymist.tick(tock=server.tymeout)
+
+            # HIO HTTP and KERIpy supervisors treat zero tymeout as disabled.
+            if remoter.tymeout > 0.0 and remoter.tymer.expired:
+                server.removeIx(client.ca)
+
+            assert client.ca not in server.ixes
+            assert remoter.cs is None
+
+
 def test_tcp_service():
     """
     Test Classes tcp service methods
@@ -754,6 +792,7 @@ def  test_tcp_tls_default_context():
     with tcp.openServer(cls=tcp.ServerTls,
                     tymth=tymist.tymen(),
                     ha=("", 6101),
+                    tymeout=1.5,
                     bs=16192,
                     keypath=serverKeyPath,
                     certpath=serverCertPath,
@@ -793,6 +832,8 @@ def  test_tcp_tls_default_context():
         assert ixBeta.cs.getpeername() == beta.cs.getsockname()
         assert ixBeta.ca == beta.ca
         assert ixBeta.ha == beta.ha
+        assert ixBeta.tymeout == server.tymeout == 1.5
+        assert ixBeta.tymer.duration == ixBeta.tymeout
 
         msgOut = b"Beta sends to Server\n"
         beta.tx(msgOut)