diff --git a/internal/platform/implementation/windows/BUILD b/internal/platform/implementation/windows/BUILD
index f77bc800..050148a6 100644
--- a/internal/platform/implementation/windows/BUILD
+++ b/internal/platform/implementation/windows/BUILD
@@ -56,12 +56,9 @@ cc_library(
         "condition_variable.h",
         "device_info.h",
         "executor.h",
-        "future.h",
-        "listenable_future.h",
         "mutex.h",
         "preferences_manager.h",
         "scheduled_executor.h",
-        "settable_future.h",
         "submittable_executor.h",
         "task_scheduler.h",
         "timer.h",
diff --git a/internal/platform/implementation/windows/future.h b/internal/platform/implementation/windows/future.h
deleted file mode 100644
index 32dc4c02..00000000
--- a/internal/platform/implementation/windows/future.h
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright 2020 Google LLC
-//
-// 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
-//
-//     https://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 PLATFORM_IMPL_WINDOWS_FUTURE_H_
-#define PLATFORM_IMPL_WINDOWS_FUTURE_H_
-
-#include "internal/platform/implementation/future.h"
-
-namespace nearby {
-namespace windows {
-
-// A Future represents the result of an asynchronous computation.
-//
-// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html
-template <typename T>
-class Future : public api::Future<T> {
- public:
-  // TODO(b/184975123): replace with real implementation.
-  ~Future() override = default;
-
-  // throws Exception::kInterrupted, Exception::kExecution
-  // TODO(b/184975123): replace with real implementation.
-  ExceptionOr<T> Get() override { return ExceptionOr<T>{Exception::kFailed}; }
-
-  // throws Exception::kInterrupted, Exception::kExecution
-  // throws Exception::kTimeout if timeout is exceeded while waiting for
-  // result.
-  // TODO(b/184975123): replace with real implementation.
-  ExceptionOr<T> Get(absl::Duration timeout) override {
-    return ExceptionOr<T>{Exception::kFailed};
-  }
-};
-
-}  // namespace windows
-}  // namespace nearby
-
-#endif  // PLATFORM_IMPL_WINDOWS_FUTURE_H_
diff --git a/internal/platform/implementation/windows/listenable_future.h b/internal/platform/implementation/windows/listenable_future.h
deleted file mode 100644
index ede07fd9..00000000
--- a/internal/platform/implementation/windows/listenable_future.h
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2020 Google LLC
-//
-// 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
-//
-//     https://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 PLATFORM_IMPL_WINDOWS_LISTENABLE_FUTURE_H_
-#define PLATFORM_IMPL_WINDOWS_LISTENABLE_FUTURE_H_
-
-#include "internal/platform/implementation/listenable_future.h"
-
-namespace nearby {
-namespace windows {
-
-// A Future that accepts completion listeners.
-//
-// https://guava.dev/releases/20.0/api/docs/com/google/common/util/concurrent/ListenableFuture.html
-template <typename T>
-class ListenableFuture : public api::ListenableFuture<T> {
- public:
-  using FutureCallback = typename api::ListenableFuture<T>::FutureCallback;
-  // TODO(b/184975123): replace with real implementation.
-  ~ListenableFuture() override = default;
-
-  // TODO(b/184975123): replace with real implementation.
-  void AddListener(FutureCallback callback, api::Executor* executor) {}
-};
-
-}  // namespace windows
-}  // namespace nearby
-
-#endif  // PLATFORM_IMPL_WINDOWS_LISTENABLE_FUTURE_H_
diff --git a/internal/platform/implementation/windows/settable_future.h b/internal/platform/implementation/windows/settable_future.h
deleted file mode 100644
index 485d75c4..00000000
--- a/internal/platform/implementation/windows/settable_future.h
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright 2020 Google LLC
-//
-// 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
-//
-//     https://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 PLATFORM_IMPL_WINDOWS_SETTABLE_FUTURE_H_
-#define PLATFORM_IMPL_WINDOWS_SETTABLE_FUTURE_H_
-
-#include "internal/platform/implementation/settable_future.h"
-
-namespace nearby {
-namespace windows {
-
-// A SettableFuture is a type of Future whose result can be set.
-//
-// https://google.github.io/guava/releases/20.0/api/docs/com/google/common/util/concurrent/SettableFuture.html
-template <typename T>
-class SettableFuture : public api::SettableFuture<T> {
- public:
-  // TODO(b/184975123): replace with real implementation.
-  ~SettableFuture() override = default;
-
-  // Completes the future successfully. The value is returned to any waiters.
-  // Returns true, if value was set.
-  // Returns false, if Future is already in "done" state.
-  // TODO(b/184975123): replace with real implementation.
-  bool Set(T value) override { return false; }
-
-  // Completes the future unsuccessfully. The exception value is returned to any
-  // waiters.
-  // Returns true, if exception was set.
-  // Returns false, if Future is already in "done" state.
-  // TODO(b/184975123): replace with real implementation.
-  bool SetException(Exception exception) override { return false; }
-};
-
-}  // namespace windows
-}  // namespace nearby
-
-#endif  // PLATFORM_IMPL_WINDOWS_SETTABLE_FUTURE_H_