diff --git a/TESTS/mbed_functional/functionpointer/main.cpp b/TESTS/mbed_functional/functionpointer/main.cpp
deleted file mode 100644
index ff4f370..0000000
--- a/TESTS/mbed_functional/functionpointer/main.cpp
+++ /dev/null
@@ -1,534 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2017 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.
- */
-#include "mbed.h"
-#include "greentea-client/test_env.h"
-#include "unity.h"
-#include "utest.h"
-
-using namespace utest::v1;
-
-
-// static functions
-template <typename T>
-T static_func0()
-{
-    return 0;
-}
-template <typename T>
-T static_func1(T a0)
-{
-    return 0 | a0;
-}
-template <typename T>
-T static_func2(T a0, T a1)
-{
-    return 0 | a0 | a1;
-}
-template <typename T>
-T static_func3(T a0, T a1, T a2)
-{
-    return 0 | a0 | a1 | a2;
-}
-template <typename T>
-T static_func4(T a0, T a1, T a2, T a3)
-{
-    return 0 | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T static_func5(T a0, T a1, T a2, T a3, T a4)
-{
-    return 0 | a0 | a1 | a2 | a3 | a4;
-}
-
-// class functions
-template <typename T>
-struct Thing {
-    T t;
-    Thing() : t(0x80) {}
-
-    T member_func0()
-    {
-        return t;
-    }
-    T member_func1(T a0)
-    {
-        return t | a0;
-    }
-    T member_func2(T a0, T a1)
-    {
-        return t | a0 | a1;
-    }
-    T member_func3(T a0, T a1, T a2)
-    {
-        return t | a0 | a1 | a2;
-    }
-    T member_func4(T a0, T a1, T a2, T a3)
-    {
-        return t | a0 | a1 | a2 | a3;
-    }
-    T member_func5(T a0, T a1, T a2, T a3, T a4)
-    {
-        return t | a0 | a1 | a2 | a3 | a4;
-    }
-
-    T const_member_func0() const
-    {
-        return t;
-    }
-    T const_member_func1(T a0) const
-    {
-        return t | a0;
-    }
-    T const_member_func2(T a0, T a1) const
-    {
-        return t | a0 | a1;
-    }
-    T const_member_func3(T a0, T a1, T a2) const
-    {
-        return t | a0 | a1 | a2;
-    }
-    T const_member_func4(T a0, T a1, T a2, T a3) const
-    {
-        return t | a0 | a1 | a2 | a3;
-    }
-    T const_member_func5(T a0, T a1, T a2, T a3, T a4) const
-    {
-        return t | a0 | a1 | a2 | a3 | a4;
-    }
-
-    T volatile_member_func0() volatile
-    {
-        return t;
-    }
-    T volatile_member_func1(T a0) volatile
-    {
-        return t | a0;
-    }
-    T volatile_member_func2(T a0, T a1) volatile
-    {
-        return t | a0 | a1;
-    }
-    T volatile_member_func3(T a0, T a1, T a2) volatile
-    {
-        return t | a0 | a1 | a2;
-    }
-    T volatile_member_func4(T a0, T a1, T a2, T a3) volatile
-    {
-        return t | a0 | a1 | a2 | a3;
-    }
-    T volatile_member_func5(T a0, T a1, T a2, T a3, T a4) volatile
-    {
-        return t | a0 | a1 | a2 | a3 | a4;
-    }
-
-    T const_volatile_member_func0() const volatile
-    {
-        return t;
-    }
-    T const_volatile_member_func1(T a0) const volatile
-    {
-        return t | a0;
-    }
-    T const_volatile_member_func2(T a0, T a1) const volatile
-    {
-        return t | a0 | a1;
-    }
-    T const_volatile_member_func3(T a0, T a1, T a2) const volatile
-    {
-        return t | a0 | a1 | a2;
-    }
-    T const_volatile_member_func4(T a0, T a1, T a2, T a3) const volatile
-    {
-        return t | a0 | a1 | a2 | a3;
-    }
-    T const_volatile_member_func5(T a0, T a1, T a2, T a3, T a4) const volatile
-    {
-        return t | a0 | a1 | a2 | a3 | a4;
-    }
-};
-
-// bound functions
-template <typename T>
-T bound_func0(Thing<T> *t)
-{
-    return t->t;
-}
-template <typename T>
-T bound_func1(Thing<T> *t, T a0)
-{
-    return t->t | a0;
-}
-template <typename T>
-T bound_func2(Thing<T> *t, T a0, T a1)
-{
-    return t->t | a0 | a1;
-}
-template <typename T>
-T bound_func3(Thing<T> *t, T a0, T a1, T a2)
-{
-    return t->t | a0 | a1 | a2;
-}
-template <typename T>
-T bound_func4(Thing<T> *t, T a0, T a1, T a2, T a3)
-{
-    return t->t | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T bound_func5(Thing<T> *t, T a0, T a1, T a2, T a3, T a4)
-{
-    return t->t | a0 | a1 | a2 | a3 | a4;
-}
-template <typename T>
-T const_bound_func0(const Thing<T> *t)
-{
-    return t->t;
-}
-template <typename T>
-T const_bound_func1(const Thing<T> *t, T a0)
-{
-    return t->t | a0;
-}
-template <typename T>
-T const_bound_func2(const Thing<T> *t, T a0, T a1)
-{
-    return t->t | a0 | a1;
-}
-template <typename T>
-T const_bound_func3(const Thing<T> *t, T a0, T a1, T a2)
-{
-    return t->t | a0 | a1 | a2;
-}
-template <typename T>
-T const_bound_func4(const Thing<T> *t, T a0, T a1, T a2, T a3)
-{
-    return t->t | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T const_bound_func5(const Thing<T> *t, T a0, T a1, T a2, T a3, T a4)
-{
-    return t->t | a0 | a1 | a2 | a3 | a4;
-}
-template <typename T>
-T volatile_bound_func0(volatile Thing<T> *t)
-{
-    return t->t;
-}
-template <typename T>
-T volatile_bound_func1(volatile Thing<T> *t, T a0)
-{
-    return t->t | a0;
-}
-template <typename T>
-T volatile_bound_func2(volatile Thing<T> *t, T a0, T a1)
-{
-    return t->t | a0 | a1;
-}
-template <typename T>
-T volatile_bound_func3(volatile Thing<T> *t, T a0, T a1, T a2)
-{
-    return t->t | a0 | a1 | a2;
-}
-template <typename T>
-T volatile_bound_func4(volatile Thing<T> *t, T a0, T a1, T a2, T a3)
-{
-    return t->t | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T volatile_bound_func5(volatile Thing<T> *t, T a0, T a1, T a2, T a3, T a4)
-{
-    return t->t | a0 | a1 | a2 | a3 | a4;
-}
-template <typename T>
-T const_volatile_bound_func0(const volatile Thing<T> *t)
-{
-    return t->t;
-}
-template <typename T>
-T const_volatile_bound_func1(const volatile Thing<T> *t, T a0)
-{
-    return t->t | a0;
-}
-template <typename T>
-T const_volatile_bound_func2(const volatile Thing<T> *t, T a0, T a1)
-{
-    return t->t | a0 | a1;
-}
-template <typename T>
-T const_volatile_bound_func3(const volatile Thing<T> *t, T a0, T a1, T a2)
-{
-    return t->t | a0 | a1 | a2;
-}
-template <typename T>
-T const_volatile_bound_func4(const volatile Thing<T> *t, T a0, T a1, T a2, T a3)
-{
-    return t->t | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T const_volatile_bound_func5(const volatile Thing<T> *t, T a0, T a1, T a2, T a3, T a4)
-{
-    return t->t | a0 | a1 | a2 | a3 | a4;
-}
-
-// void functions
-template <typename T>
-T void_func0(void *t)
-{
-    return static_cast<Thing<T>*>(t)->t;
-}
-template <typename T>
-T void_func1(void *t, T a0)
-{
-    return static_cast<Thing<T>*>(t)->t | a0;
-}
-template <typename T>
-T void_func2(void *t, T a0, T a1)
-{
-    return static_cast<Thing<T>*>(t)->t | a0 | a1;
-}
-template <typename T>
-T void_func3(void *t, T a0, T a1, T a2)
-{
-    return static_cast<Thing<T>*>(t)->t | a0 | a1 | a2;
-}
-template <typename T>
-T void_func4(void *t, T a0, T a1, T a2, T a3)
-{
-    return static_cast<Thing<T>*>(t)->t | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T void_func5(void *t, T a0, T a1, T a2, T a3, T a4)
-{
-    return static_cast<Thing<T>*>(t)->t | a0 | a1 | a2 | a3 | a4;
-}
-template <typename T>
-T const_void_func0(const void *t)
-{
-    return static_cast<const Thing<T>*>(t)->t;
-}
-template <typename T>
-T const_void_func1(const void *t, T a0)
-{
-    return static_cast<const Thing<T>*>(t)->t | a0;
-}
-template <typename T>
-T const_void_func2(const void *t, T a0, T a1)
-{
-    return static_cast<const Thing<T>*>(t)->t | a0 | a1;
-}
-template <typename T>
-T const_void_func3(const void *t, T a0, T a1, T a2)
-{
-    return static_cast<const Thing<T>*>(t)->t | a0 | a1 | a2;
-}
-template <typename T>
-T const_void_func4(const void *t, T a0, T a1, T a2, T a3)
-{
-    return static_cast<const Thing<T>*>(t)->t | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T const_void_func5(const void *t, T a0, T a1, T a2, T a3, T a4)
-{
-    return static_cast<const Thing<T>*>(t)->t | a0 | a1 | a2 | a3 | a4;
-}
-template <typename T>
-T volatile_void_func0(volatile void *t)
-{
-    return static_cast<volatile Thing<T>*>(t)->t;
-}
-template <typename T>
-T volatile_void_func1(volatile void *t, T a0)
-{
-    return static_cast<volatile Thing<T>*>(t)->t | a0;
-}
-template <typename T>
-T volatile_void_func2(volatile void *t, T a0, T a1)
-{
-    return static_cast<volatile Thing<T>*>(t)->t | a0 | a1;
-}
-template <typename T>
-T volatile_void_func3(volatile void *t, T a0, T a1, T a2)
-{
-    return static_cast<volatile Thing<T>*>(t)->t | a0 | a1 | a2;
-}
-template <typename T>
-T volatile_void_func4(volatile void *t, T a0, T a1, T a2, T a3)
-{
-    return static_cast<volatile Thing<T>*>(t)->t | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T volatile_void_func5(volatile void *t, T a0, T a1, T a2, T a3, T a4)
-{
-    return static_cast<volatile Thing<T>*>(t)->t | a0 | a1 | a2 | a3 | a4;
-}
-template <typename T>
-T const_volatile_void_func0(const volatile void *t)
-{
-    return static_cast<const volatile Thing<T>*>(t)->t;
-}
-template <typename T>
-T const_volatile_void_func1(const volatile void *t, T a0)
-{
-    return static_cast<const volatile Thing<T>*>(t)->t | a0;
-}
-template <typename T>
-T const_volatile_void_func2(const volatile void *t, T a0, T a1)
-{
-    return static_cast<const volatile Thing<T>*>(t)->t | a0 | a1;
-}
-template <typename T>
-T const_volatile_void_func3(const volatile void *t, T a0, T a1, T a2)
-{
-    return static_cast<const volatile Thing<T>*>(t)->t | a0 | a1 | a2;
-}
-template <typename T>
-T const_volatile_void_func4(const volatile void *t, T a0, T a1, T a2, T a3)
-{
-    return static_cast<const volatile Thing<T>*>(t)->t | a0 | a1 | a2 | a3;
-}
-template <typename T>
-T const_volatile_void_func5(const volatile void *t, T a0, T a1, T a2, T a3, T a4)
-{
-    return static_cast<const volatile Thing<T>*>(t)->t | a0 | a1 | a2 | a3 | a4;
-}
-
-
-// function call and result verification
-template <typename T>
-struct Verifier {
-    static void verify0(Callback<T()> func)
-    {
-        T result = func();
-        TEST_ASSERT_EQUAL(result, 0x00);
-    }
-
-    template <typename O, typename M>
-    static void verify0(O *obj, M method)
-    {
-        Callback<T()> func(obj, method);
-        T result = func();
-        TEST_ASSERT_EQUAL(result, 0x80);
-    }
-
-    static void verify1(Callback<T(T)> func)
-    {
-        T result = func((1 << 0));
-        TEST_ASSERT_EQUAL(result, 0x00 | (1 << 0));
-    }
-
-    template <typename O, typename M>
-    static void verify1(O *obj, M method)
-    {
-        Callback<T(T)> func(obj, method);
-        T result = func((1 << 0));
-        TEST_ASSERT_EQUAL(result, 0x80 | (1 << 0));
-    }
-
-    static void verify2(Callback<T(T, T)> func)
-    {
-        T result = func((1 << 0), (1 << 1));
-        TEST_ASSERT_EQUAL(result, 0x00 | (1 << 0) | (1 << 1));
-    }
-
-    template <typename O, typename M>
-    static void verify2(O *obj, M method)
-    {
-        Callback<T(T, T)> func(obj, method);
-        T result = func((1 << 0), (1 << 1));
-        TEST_ASSERT_EQUAL(result, 0x80 | (1 << 0) | (1 << 1));
-    }
-
-    static void verify3(Callback<T(T, T, T)> func)
-    {
-        T result = func((1 << 0), (1 << 1), (1 << 2));
-        TEST_ASSERT_EQUAL(result, 0x00 | (1 << 0) | (1 << 1) | (1 << 2));
-    }
-
-    template <typename O, typename M>
-    static void verify3(O *obj, M method)
-    {
-        Callback<T(T, T, T)> func(obj, method);
-        T result = func((1 << 0), (1 << 1), (1 << 2));
-        TEST_ASSERT_EQUAL(result, 0x80 | (1 << 0) | (1 << 1) | (1 << 2));
-    }
-
-    static void verify4(Callback<T(T, T, T, T)> func)
-    {
-        T result = func((1 << 0), (1 << 1), (1 << 2), (1 << 3));
-        TEST_ASSERT_EQUAL(result, 0x00 | (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3));
-    }
-
-    template <typename O, typename M>
-    static void verify4(O *obj, M method)
-    {
-        Callback<T(T, T, T, T)> func(obj, method);
-        T result = func((1 << 0), (1 << 1), (1 << 2), (1 << 3));
-        TEST_ASSERT_EQUAL(result, 0x80 | (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3));
-    }
-
-    static void verify5(Callback<T(T, T, T, T, T)> func)
-    {
-        T result = func((1 << 0), (1 << 1), (1 << 2), (1 << 3), (1 << 4));
-        TEST_ASSERT_EQUAL(result, 0x00 | (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4));
-    }
-
-    template <typename O, typename M>
-    static void verify5(O *obj, M method)
-    {
-        Callback<T(T, T, T, T, T)> func(obj, method);
-        T result = func((1 << 0), (1 << 1), (1 << 2), (1 << 3), (1 << 4));
-        TEST_ASSERT_EQUAL(result, 0x80 | (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4));
-    }
-};
-
-
-// test dispatch
-template <typename T>
-void test_fparg1()
-{
-    Thing<T> thing;
-    FunctionPointerArg1<T, T> fp(static_func1<T>);
-    Verifier<T>::verify1(fp);
-    Verifier<T>::verify1(fp.get_function());
-}
-
-template <typename T>
-void test_fparg0()
-{
-    Thing<T> thing;
-    FunctionPointerArg1<T, void> fp(static_func0<T>);
-    Verifier<T>::verify0(fp);
-    Verifier<T>::verify0(fp.get_function());
-}
-
-
-// Test setup
-utest::v1::status_t test_setup(const size_t number_of_cases)
-{
-    GREENTEA_SETUP(10, "default_auto");
-    return verbose_test_setup_handler(number_of_cases);
-}
-
-Case cases[] = {
-    Case("Testing FunctionPointerArg1 compatibility", test_fparg1<int>),
-    Case("Testing FunctionPointer compatibility", test_fparg0<int>),
-};
-
-Specification specification(test_setup, cases);
-
-int main()
-{
-    return !Harness::run(specification);
-}
diff --git a/drivers/source/Ticker.cpp b/drivers/source/Ticker.cpp
index 12a2d2e..3114abd 100644
--- a/drivers/source/Ticker.cpp
+++ b/drivers/source/Ticker.cpp
@@ -17,7 +17,6 @@
 #include "drivers/Ticker.h"
 
 #include "drivers/TimerEvent.h"
-#include "platform/FunctionPointer.h"
 #include "hal/ticker_api.h"
 #include "platform/mbed_critical.h"
 #include "platform/mbed_power_mgmt.h"
diff --git a/mbed.h b/mbed.h
index cc43626..4e1c8c5 100644
--- a/mbed.h
+++ b/mbed.h
@@ -106,7 +106,6 @@
 
 // mbed Non-hardware components
 #include "platform/Callback.h"
-#include "platform/FunctionPointer.h"
 #include "platform/ScopedLock.h"
 
 #ifndef MBED_NO_GLOBAL_USING_DIRECTIVE
diff --git a/platform/FunctionPointer.h b/platform/FunctionPointer.h
deleted file mode 100644
index 7111b8d..0000000
--- a/platform/FunctionPointer.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2019 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- *
- * 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 MBED_FUNCTIONPOINTER_H
-#define MBED_FUNCTIONPOINTER_H
-
-#include "platform/Callback.h"
-#include "platform/mbed_toolchain.h"
-#include <string.h>
-#include <stdint.h>
-
-namespace mbed {
-/** \addtogroup platform-public-api */
-/** @{*/
-/**
- * \defgroup platform_FunctionPointer FunctionPointer class
- * @{
- */
-
-// Declarations for backwards compatibility
-// To be foward compatible, code should adopt the Callback class
-template <typename R, typename A1>
-class FunctionPointerArg1 : public Callback<R(A1)> {
-public:
-    MBED_DEPRECATED_SINCE("mbed-os-5.1",
-                          "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
-    FunctionPointerArg1(R(*function)(A1) = 0)
-        : Callback<R(A1)>(function) {}
-
-    template<typename T>
-    MBED_DEPRECATED_SINCE("mbed-os-5.1",
-                          "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
-    FunctionPointerArg1(T *object, R(T::*member)(A1))
-        : Callback<R(A1)>(object, member) {}
-
-    R(*get_function())(A1)
-    {
-        return *reinterpret_cast<R(* *)(A1)>(this);
-    }
-
-    R call(A1 a1) const
-    {
-        if (!Callback<R(A1)>::operator bool()) {
-            return (R)0;
-        }
-
-        return Callback<R(A1)>::call(a1);
-    }
-
-    R operator()(A1 a1) const
-    {
-        return Callback<R(A1)>::call(a1);
-    }
-};
-
-template <typename R>
-class FunctionPointerArg1<R, void> : public Callback<R()> {
-public:
-    MBED_DEPRECATED_SINCE("mbed-os-5.1",
-                          "FunctionPointer has been replaced by Callback<void()>")
-    FunctionPointerArg1(R(*function)() = 0)
-        : Callback<R()>(function) {}
-
-    template<typename T>
-    MBED_DEPRECATED_SINCE("mbed-os-5.1",
-                          "FunctionPointer has been replaced by Callback<void()>")
-    FunctionPointerArg1(T *object, R(T::*member)())
-        : Callback<R()>(object, member) {}
-
-    R(*get_function())()
-    {
-        return *reinterpret_cast<R(* *)()>(this);
-    }
-
-    R call() const
-    {
-        if (!Callback<R()>::operator bool()) {
-            return (R)0;
-        }
-
-        return Callback<R()>::call();
-    }
-
-    R operator()() const
-    {
-        return Callback<R()>::call();
-    }
-};
-
-typedef FunctionPointerArg1<void, void> FunctionPointer;
-
-/**@}*/
-
-/**@}*/
-
-
-} // namespace mbed
-
-#endif