diff --git a/features/netsocket/CellularInterface.h b/features/netsocket/CellularInterface.h
deleted file mode 100644
index 3bb4fed9de..0000000000
--- a/features/netsocket/CellularInterface.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/* CellularInterface
- * Copyright (c) 2015 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef CELLULAR_INTERFACE_H
-#define CELLULAR_INTERFACE_H
-
-#include "netsocket/NetworkInterface.h"
-
-/** CellularInterface class
- *
- *  @deprecated This API will be deprecated in mbed-os-5.9. Use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.
- *
- *  Common interface that is shared between ethernet hardware
- *  @addtogroup netsocket
- */
-class CellularInterface : public NetworkInterface
-{
-public:
-    /** CellularInterface lifetime
-     */
-    MBED_DEPRECATED_SINCE("mbed-os-5.9", "This API will be deprecated, use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.")
-    virtual ~CellularInterface() {};
-
-    /** Set the cellular network APN and credentials
-     *
-     *  @deprecated This API will be deprecated in mbed-os-5.9. Use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.
-     *
-     *  @param apn      Optional name of the network to connect to
-     *  @param username Optional username for the APN
-     *  @param password Optional password fot the APN
-     *  @return         0 on success, negative error code on failure
-     */
-    MBED_DEPRECATED_SINCE("mbed-os-5.9", "This API will be deprecated, use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.")
-    virtual nsapi_error_t set_credentials(const char *apn,
-            const char *username = 0, const char *password = 0) = 0;
-
-    /** Start the interface
-     *
-     *  @deprecated This API will be deprecated in mbed-os-5.9. Use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.
-     *
-     *  @param apn      Optional name of the network to connect to
-     *  @param username Optional username for your APN
-     *  @param password Optional password for your APN
-     *  @return         0 on success, negative error code on failure
-     */
-    MBED_DEPRECATED_SINCE("mbed-os-5.9", "This API will be deprecated, use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.")
-    virtual nsapi_error_t connect(const char *apn,
-            const char *username = 0, const char *password = 0) = 0;
-
-    /** Start the interface
-     *
-     *  @deprecated This API will be deprecated in mbed-os-5.9. Use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.
-     *
-     *  Attempts to connect to a cellular network based on supplied credentials
-     *
-     *  @return         0 on success, negative error code on failure
-     */
-    MBED_DEPRECATED_SINCE("mbed-os-5.9", "This API will be deprecated, use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.")
-    virtual nsapi_error_t connect() = 0;
-
-    /** Stop the interface
-     *
-     *  @deprecated This API will be deprecated in mbed-os-5.9. Use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.
-     *
-     *  @return         0 on success, negative error code on failure
-     */
-    MBED_DEPRECATED_SINCE("mbed-os-5.9", "This API will be deprecated, use mbed-os/features/cellular/framework/API/CellularNetwork.h instead.")
-    virtual nsapi_error_t disconnect() = 0;
-};
-
-
-#endif
diff --git a/features/netsocket/cellular/generic_modem_driver/PPPCellularInterface.h b/features/netsocket/cellular/generic_modem_driver/PPPCellularInterface.h
index dc8a262f66..3a30ecc014 100644
--- a/features/netsocket/cellular/generic_modem_driver/PPPCellularInterface.h
+++ b/features/netsocket/cellular/generic_modem_driver/PPPCellularInterface.h
@@ -151,7 +151,7 @@ public:
      *  @deprecated This API will be deprecated in mbed-os-5.9. Use mbed-os/features/cellular/easy_cellular/EasyCellularConnection.h instead.
      *
      *  Attempts to connect to a Cellular network.
-     *  This driver is written mainly for data network connections as CellularInterface
+     *  This driver is written mainly for data network connections as CellularBase
      *  is NetworkInterface. That's why connect() call internally calls nwk_registration()
      *  method with parameter PACKET_SWITCHED network. Circuit switched hook and registration
      *  process is implemented and left in the driver for future extension/subclass support,e.g.,
@@ -396,8 +396,8 @@ protected:
     /** Starts network registration process.
      *
      * Potential users could be subclasses who are not network interface
-     * but would like to use CellularInterface infrastructure to register
-     * with a cellular network, e.g., an SMS extension to CellularInterface.
+     * but would like to use CellularBase infrastructure to register
+     * with a cellular network, e.g., an SMS extension to CellularBase.
      *
      * @param nwk_type type of network to connect, defaults to packet switched network
      *