diff --git a/Libraries/LibGfx/Bitmap.cpp b/Libraries/LibGfx/Bitmap.cpp
index 783bb46299..6d6a35dd7e 100644
--- a/Libraries/LibGfx/Bitmap.cpp
+++ b/Libraries/LibGfx/Bitmap.cpp
@@ -71,14 +71,6 @@ RefPtr<Bitmap> Bitmap::load_from_file(const StringView& path)
     return load_png(path);
 }
 
-RefPtr<Bitmap> Bitmap::load_from_file(BitmapFormat format, const StringView& path, const Size& size)
-{
-    MappedFile mapped_file(path);
-    if (!mapped_file.is_valid())
-        return nullptr;
-    return adopt(*new Bitmap(format, size, move(mapped_file)));
-}
-
 Bitmap::Bitmap(BitmapFormat format, const Size& size, size_t pitch, RGBA32* data)
     : m_size(size)
     , m_data(data)
@@ -89,16 +81,6 @@ Bitmap::Bitmap(BitmapFormat format, const Size& size, size_t pitch, RGBA32* data
         m_palette = new RGBA32[256];
 }
 
-Bitmap::Bitmap(BitmapFormat format, const Size& size, MappedFile&& mapped_file)
-    : m_size(size)
-    , m_data((RGBA32*)mapped_file.data())
-    , m_pitch(round_up_to_power_of_two(size.width() * sizeof(RGBA32), 16))
-    , m_format(format)
-    , m_mapped_file(move(mapped_file))
-{
-    ASSERT(format != BitmapFormat::Indexed8);
-}
-
 NonnullRefPtr<Bitmap> Bitmap::create_with_shared_buffer(BitmapFormat format, NonnullRefPtr<SharedBuffer>&& shared_buffer, const Size& size)
 {
     return adopt(*new Bitmap(format, move(shared_buffer), size));
diff --git a/Libraries/LibGfx/Bitmap.h b/Libraries/LibGfx/Bitmap.h
index 8d719b93b2..fba0b6e719 100644
--- a/Libraries/LibGfx/Bitmap.h
+++ b/Libraries/LibGfx/Bitmap.h
@@ -27,7 +27,6 @@
 #pragma once
 
 #include <AK/Forward.h>
-#include <AK/MappedFile.h>
 #include <AK/RefCounted.h>
 #include <AK/RefPtr.h>
 #include <LibGfx/Color.h>
@@ -48,7 +47,6 @@ public:
     static NonnullRefPtr<Bitmap> create_purgeable(BitmapFormat, const Size&);
     static NonnullRefPtr<Bitmap> create_wrapper(BitmapFormat, const Size&, size_t pitch, RGBA32*);
     static RefPtr<Bitmap> load_from_file(const StringView& path);
-    static RefPtr<Bitmap> load_from_file(BitmapFormat, const StringView& path, const Size&);
     static NonnullRefPtr<Bitmap> create_with_shared_buffer(BitmapFormat, NonnullRefPtr<SharedBuffer>&&, const Size&);
 
     NonnullRefPtr<Bitmap> to_shareable_bitmap() const;
@@ -138,7 +136,6 @@ private:
         Yes };
     Bitmap(BitmapFormat, const Size&, Purgeable);
     Bitmap(BitmapFormat, const Size&, size_t pitch, RGBA32*);
-    Bitmap(BitmapFormat, const Size&, MappedFile&&);
     Bitmap(BitmapFormat, NonnullRefPtr<SharedBuffer>&&, const Size&);
 
     Size m_size;
@@ -149,7 +146,6 @@ private:
     bool m_needs_munmap { false };
     bool m_purgeable { false };
     bool m_volatile { false };
-    MappedFile m_mapped_file;
     RefPtr<SharedBuffer> m_shared_buffer;
 };
 
diff --git a/Libraries/LibGfx/GIFLoader.cpp b/Libraries/LibGfx/GIFLoader.cpp
index 84da808835..c958694e92 100644
--- a/Libraries/LibGfx/GIFLoader.cpp
+++ b/Libraries/LibGfx/GIFLoader.cpp
@@ -27,6 +27,7 @@
 #include <AK/BufferStream.h>
 #include <AK/ByteBuffer.h>
 #include <AK/FileSystemPath.h>
+#include <AK/MappedFile.h>
 #include <AK/NonnullOwnPtrVector.h>
 #include <LibGfx/GIFLoader.h>
 #include <stdio.h>