diff --git a/pw_bluetooth_proxy/proxy_host.cc b/pw_bluetooth_proxy/proxy_host.cc
index 6301fe081..5b8f7947d 100644
--- a/pw_bluetooth_proxy/proxy_host.cc
+++ b/pw_bluetooth_proxy/proxy_host.cc
@@ -545,22 +545,6 @@ pw::Result<BasicL2capChannel> ProxyHost::AcquireBasicL2capChannel(
       /*event_fn=*/std::move(event_fn));
 }
 
-pw::Result<BasicL2capChannel> ProxyHost::AcquireBasicL2capChannel(
-    uint16_t connection_handle,
-    uint16_t local_cid,
-    uint16_t remote_cid,
-    AclTransportType transport,
-    Function<bool(pw::span<uint8_t> payload)>&& payload_from_controller_fn,
-    Function<void(L2capChannelEvent event)>&& event_fn) {
-  return AcquireBasicL2capChannel(connection_handle,
-                                  local_cid,
-                                  remote_cid,
-                                  transport,
-                                  std::move(payload_from_controller_fn),
-                                  nullptr,
-                                  std::move(event_fn));
-}
-
 namespace {
 
 pw::Result<GattNotifyChannel> CreateGattNotifyChannel(
diff --git a/pw_bluetooth_proxy/proxy_host_test.cc b/pw_bluetooth_proxy/proxy_host_test.cc
index b5f9b3bc9..ff3bf92ef 100644
--- a/pw_bluetooth_proxy/proxy_host_test.cc
+++ b/pw_bluetooth_proxy/proxy_host_test.cc
@@ -2236,6 +2236,7 @@ TEST_F(BasicL2capChannelTest, BasicWrite) {
                                      /*remote_cid=*/capture.channel_id,
                                      /*transport=*/AclTransportType::kLe,
                                      /*payload_from_controller_fn=*/nullptr,
+                                     /*payload_from_host_fn=*/nullptr,
                                      /*event_fn=*/nullptr));
 
   PW_TEST_EXPECT_OK(
@@ -2268,6 +2269,7 @@ TEST_F(BasicL2capChannelTest, ErrorOnWriteTooLarge) {
                                      /*remote_cid=*/0x123,
                                      /*transport=*/AclTransportType::kLe,
                                      /*payload_from_controller_fn=*/nullptr,
+                                     /*payload_from_host_fn=*/nullptr,
                                      /*event_fn=*/nullptr));
 
   EXPECT_EQ(channel.Write(MultiBufFromSpan(pw::span(hci_arr))).status,
@@ -2293,6 +2295,7 @@ TEST_F(BasicL2capChannelTest, CannotCreateChannelWithInvalidArgs) {
                                     /*remote_cid=*/0x123,
                                     /*transport=*/AclTransportType::kLe,
                                     /*payload_from_controller_fn=*/nullptr,
+                                    /*payload_from_host_fn=*/nullptr,
                                     /*event_fn=*/nullptr)
           .status(),
       PW_STATUS_INVALID_ARGUMENT);
@@ -2305,6 +2308,7 @@ TEST_F(BasicL2capChannelTest, CannotCreateChannelWithInvalidArgs) {
                                     /*remote_cid=*/0x123,
                                     /*transport=*/AclTransportType::kLe,
                                     /*payload_from_controller_fn=*/nullptr,
+                                    /*payload_from_host_fn=*/nullptr,
                                     /*event_fn=*/nullptr)
           .status(),
       PW_STATUS_INVALID_ARGUMENT);
@@ -2344,6 +2348,7 @@ TEST_F(BasicL2capChannelTest, BasicRead) {
                                    capture.expected_payload.end()));
             return true;
           },
+          /*payload_from_host_fn=*/nullptr,
           /*event_fn=*/nullptr));
 
   std::array<uint8_t,
@@ -2420,6 +2425,7 @@ TEST_F(BasicL2capChannelTest, BasicForward) {
                                      // Forward to host.
                                      return false;
                                    },
+                                   /*payload_from_host_fn=*/nullptr,
                                    /*event_fn=*/nullptr));
 
   Result<emboss::AclDataFrameWriter> acl =
diff --git a/pw_bluetooth_proxy/public/pw_bluetooth_proxy/proxy_host.h b/pw_bluetooth_proxy/public/pw_bluetooth_proxy/proxy_host.h
index 2ea1c3554..fdce1967c 100644
--- a/pw_bluetooth_proxy/public/pw_bluetooth_proxy/proxy_host.h
+++ b/pw_bluetooth_proxy/public/pw_bluetooth_proxy/proxy_host.h
@@ -218,45 +218,6 @@ class ProxyHost {
       Function<bool(pw::span<uint8_t> payload)>&& payload_from_host_fn,
       Function<void(L2capChannelEvent event)>&& event_fn);
 
-  /// Returns an L2CAP channel operating in basic mode that supports writing to
-  /// and reading from a remote peer.
-  ///
-  /// @param[in] connection_handle          The connection handle of the remote
-  ///                                       peer.
-  ///
-  /// @param[in] local_cid                  L2CAP channel ID of the local
-  ///                                       endpoint.
-  ///
-  /// @param[in] remote_cid                 L2CAP channel ID of the remote
-  ///                                       endpoint.
-  ///
-  /// @param[in] transport                  Logical link transport type.
-  ///
-  /// @param[in] payload_from_controller_fn Read callback to be invoked on Rx
-  ///                                       SDUs. Return value of false
-  ///                                       indicates the packet should be
-  ///                                       forwarded on to host.
-  ///
-  /// @param[in] event_fn                   Handle asynchronous events such as
-  ///                                       errors encountered by the channel.
-  ///                                       See `l2cap_channel_common.h`.
-  ///
-  /// @returns @rst
-  ///
-  /// .. pw-status-codes::
-  ///  INVALID_ARGUMENT: If arguments are invalid (check logs).
-  ///  UNAVAILABLE:      If channel could not be created because no memory was
-  ///                    available to accommodate an additional ACL connection.
-  /// @endrst
-  /// @deprecated
-  pw::Result<BasicL2capChannel> AcquireBasicL2capChannel(
-      uint16_t connection_handle,
-      uint16_t local_cid,
-      uint16_t remote_cid,
-      AclTransportType transport,
-      Function<bool(pw::span<uint8_t> payload)>&& payload_from_controller_fn,
-      Function<void(L2capChannelEvent event)>&& event_fn);
-
   /// Send a GATT Notify to the indicated connection.
   ///
   /// @param[in] connection_handle The connection handle of the peer to notify.
diff --git a/pw_bluetooth_proxy/pw_bluetooth_proxy_private/test_utils.h b/pw_bluetooth_proxy/pw_bluetooth_proxy_private/test_utils.h
index 5b4ba04ad..7af0e2b14 100644
--- a/pw_bluetooth_proxy/pw_bluetooth_proxy_private/test_utils.h
+++ b/pw_bluetooth_proxy/pw_bluetooth_proxy_private/test_utils.h
@@ -235,6 +235,7 @@ struct BasicL2capParameters {
   AclTransportType transport = AclTransportType::kLe;
   Function<bool(pw::span<uint8_t> payload)>&& payload_from_controller_fn =
       nullptr;
+  Function<bool(pw::span<uint8_t> payload)>&& payload_from_host_fn = nullptr;
   Function<void(L2capChannelEvent event)>&& event_fn = nullptr;
 };
 
diff --git a/pw_bluetooth_proxy/test_utils.cc b/pw_bluetooth_proxy/test_utils.cc
index 37612dcca..36b41329c 100644
--- a/pw_bluetooth_proxy/test_utils.cc
+++ b/pw_bluetooth_proxy/test_utils.cc
@@ -426,6 +426,7 @@ BasicL2capChannel BuildBasicL2capChannel(ProxyHost& proxy,
       params.remote_cid,
       params.transport,
       std::move(params.payload_from_controller_fn),
+      std::move(params.payload_from_host_fn),
       std::move(params.event_fn));
   PW_TEST_EXPECT_OK(channel);
   return std::move(channel.value());