diff --git a/AK/Error.h b/AK/Error.h
deleted file mode 100644
index bef95f91af..0000000000
--- a/AK/Error.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <AK/Platform.h>
-
-namespace AK {
-
-template <typename T, auto NoErrorValue>
-class CONSUMABLE(unknown) Error {
-public:
-    RETURN_TYPESTATE(unknown)
-    Error()
-        : t(NoErrorValue)
-    {}
-
-    RETURN_TYPESTATE(unknown)
-    Error(T t)
-        : t(t)
-    {}
-
-    RETURN_TYPESTATE(unknown)
-    Error(Error&& other)
-        : t(move(other.t))
-    {
-    }
-
-    RETURN_TYPESTATE(unknown)
-    Error(const Error& other)
-        : t(other.t)
-    {
-    }
-
-    CALLABLE_WHEN("unknown", "consumed")
-    ~Error() {}
-
-    SET_TYPESTATE(consumed)
-    bool failed() const {
-        return t != NoErrorValue;
-    }
-
-    [[deprecated]]
-    SET_TYPESTATE(consumed)
-    void ignore() {}
-
-    const T& value() const { return t; }
-
-    bool operator==(const Error& o) { return t == o.t; }
-    bool operator!=(const Error& o) { return t != o.t; }
-    T t;
-};
-
-}
-
-using AK::Error;