diff --git a/Tests/LibGL/TestShaders.cpp b/Tests/LibGL/TestShaders.cpp
index 6a459c70e2..d4280436ad 100644
--- a/Tests/LibGL/TestShaders.cpp
+++ b/Tests/LibGL/TestShaders.cpp
@@ -6,7 +6,6 @@
 
 #include <AK/LexicalPath.h>
 #include <AK/String.h>
-#include <LibCore/FileStream.h>
 #include <LibGL/GL/gl.h>
 #include <LibGL/GLContext.h>
 #include <LibGfx/Bitmap.h>
diff --git a/Userland/Libraries/LibCore/FileStream.h b/Userland/Libraries/LibCore/FileStream.h
deleted file mode 100644
index 13f8a1ffbd..0000000000
--- a/Userland/Libraries/LibCore/FileStream.h
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (c) 2020, the SerenityOS developers.
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-#include <AK/Buffered.h>
-#include <AK/ByteBuffer.h>
-#include <AK/Stream.h>
-#include <AK/Try.h>
-#include <LibCore/File.h>
-
-namespace Core {
-
-class InputFileStream final : public InputStream {
-public:
-    explicit InputFileStream(NonnullRefPtr<File> file)
-        : m_file(file)
-    {
-    }
-
-    static ErrorOr<InputFileStream> open(StringView filename, OpenMode mode = OpenMode::ReadOnly, mode_t permissions = 0644)
-    {
-        VERIFY(has_flag(mode, OpenMode::ReadOnly));
-        auto file = TRY(File::open(filename, mode, permissions));
-        return InputFileStream { move(file) };
-    }
-
-    static ErrorOr<Buffered<InputFileStream>> open_buffered(StringView filename, OpenMode mode = OpenMode::ReadOnly, mode_t permissions = 0644)
-    {
-        VERIFY(has_flag(mode, OpenMode::ReadOnly));
-        auto file = TRY(File::open(filename, mode, permissions));
-        return Buffered<InputFileStream> { move(file) };
-    }
-
-    size_t read(Bytes bytes) override
-    {
-        if (has_any_error())
-            return 0;
-
-        auto const buffer = m_file->read(bytes.size());
-        return buffer.bytes().copy_to(bytes);
-    }
-
-    bool read_or_error(Bytes bytes) override
-    {
-        if (read(bytes) < bytes.size()) {
-            set_fatal_error();
-            return false;
-        }
-
-        return true;
-    }
-
-    bool seek(size_t offset, SeekMode whence = SeekMode::SetPosition)
-    {
-        return m_file->seek(offset, whence);
-    }
-
-    bool discard_or_error(size_t count) override { return m_file->seek(count, SeekMode::FromCurrentPosition); }
-
-    bool unreliable_eof() const override { return m_file->eof(); }
-
-    void close()
-    {
-        if (!m_file->close())
-            set_fatal_error();
-    }
-
-private:
-    NonnullRefPtr<File> m_file;
-};
-
-class OutputFileStream : public OutputStream {
-public:
-    explicit OutputFileStream(NonnullRefPtr<File> file)
-        : m_file(file)
-    {
-    }
-
-    static ErrorOr<OutputFileStream> open(StringView filename, OpenMode mode = OpenMode::WriteOnly, mode_t permissions = 0644)
-    {
-        VERIFY(has_flag(mode, OpenMode::WriteOnly));
-        auto file = TRY(File::open(filename, mode, permissions));
-        return OutputFileStream { move(file) };
-    }
-
-    static ErrorOr<Buffered<OutputFileStream>> open_buffered(StringView filename, OpenMode mode = OpenMode::WriteOnly, mode_t permissions = 0644)
-    {
-        VERIFY(has_flag(mode, OpenMode::WriteOnly));
-        auto file = TRY(File::open(filename, mode, permissions));
-        return Buffered<OutputFileStream> { move(file) };
-    }
-
-    static OutputFileStream standard_output()
-    {
-        return OutputFileStream { Core::File::standard_output() };
-    }
-
-    static OutputFileStream standard_error()
-    {
-        return OutputFileStream { Core::File::standard_error() };
-    }
-
-    static Buffered<OutputFileStream> stdout_buffered()
-    {
-        return Buffered<OutputFileStream> { Core::File::standard_output() };
-    }
-
-    size_t write(ReadonlyBytes bytes) override
-    {
-        if (!m_file->write(bytes.data(), bytes.size())) {
-            set_fatal_error();
-            return 0;
-        }
-
-        return bytes.size();
-    }
-
-    bool write_or_error(ReadonlyBytes bytes) override
-    {
-        if (write(bytes) < bytes.size()) {
-            set_fatal_error();
-            return false;
-        }
-
-        return true;
-    }
-
-    void close()
-    {
-        if (!m_file->close())
-            set_fatal_error();
-    }
-
-private:
-    NonnullRefPtr<File> m_file;
-};
-
-}
diff --git a/Userland/Utilities/file.cpp b/Userland/Utilities/file.cpp
index e590217509..da25e832ab 100644
--- a/Userland/Utilities/file.cpp
+++ b/Userland/Utilities/file.cpp
@@ -7,7 +7,6 @@
 #include <AK/Vector.h>
 #include <LibCompress/Gzip.h>
 #include <LibCore/ArgsParser.h>
-#include <LibCore/FileStream.h>
 #include <LibCore/MappedFile.h>
 #include <LibCore/MimeData.h>
 #include <LibCore/Stream.h>
diff --git a/Userland/Utilities/gzip.cpp b/Userland/Utilities/gzip.cpp
index 4271aa4f28..6f5aa5e230 100644
--- a/Userland/Utilities/gzip.cpp
+++ b/Userland/Utilities/gzip.cpp
@@ -6,7 +6,6 @@
 
 #include <LibCompress/Gzip.h>
 #include <LibCore/ArgsParser.h>
-#include <LibCore/FileStream.h>
 #include <LibCore/MappedFile.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
diff --git a/Userland/Utilities/tar.cpp b/Userland/Utilities/tar.cpp
index 58b3a50726..35166cd9b8 100644
--- a/Userland/Utilities/tar.cpp
+++ b/Userland/Utilities/tar.cpp
@@ -14,7 +14,6 @@
 #include <LibCore/DirIterator.h>
 #include <LibCore/Directory.h>
 #include <LibCore/File.h>
-#include <LibCore/FileStream.h>
 #include <LibCore/Stream.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>