diff --git a/wpiutil/src/main/native/include/wpi/optional.h b/wpiutil/src/main/native/include/wpi/optional.h
deleted file mode 100644
index 52b190da16..0000000000
--- a/wpiutil/src/main/native/include/wpi/optional.h
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright (c) FIRST and other WPILib contributors.
-// Open Source Software; you can modify and/or share it under the terms of
-// the WPILib BSD license file in the root directory of this project.
-
-#ifndef WPIUTIL_WPI_OPTIONAL_H_
-#define WPIUTIL_WPI_OPTIONAL_H_
-
-// clang-format off
-
-#ifdef _MSC_VER
-#pragma message("warning: wpi/optional.h is deprecated; include <optional> instead")
-#else
-#warning "wpi/optional.h is deprecated; include <optional> instead"
-#endif
-
-#include <optional>
-
-namespace wpi {
-
-template <typename T>
-using optional [[deprecated("use std::optional")]] = std::optional<T>;
-
-using nullopt_t [[deprecated("use std::nullopt_t")]] = std::nullopt_t;
-
-[[deprecated("use std::nullopt")]] inline constexpr std::nullopt_t nullopt =
-    std::nullopt;
-
-}  // namespace wpi
-
-// clang-format on
-
-#endif  // WPIUTIL_WPI_OPTIONAL_H_