diff --git a/AK/MemoryStream.cpp b/AK/MemoryStream.cpp
index 0a04962580..ad4967f370 100644
--- a/AK/MemoryStream.cpp
+++ b/AK/MemoryStream.cpp
@@ -109,16 +109,6 @@ ErrorOr<void> FixedMemoryStream::write_until_depleted(ReadonlyBytes bytes)
     return {};
 }
 
-Bytes FixedMemoryStream::bytes()
-{
-    VERIFY(m_writing_enabled);
-    return m_bytes;
-}
-ReadonlyBytes FixedMemoryStream::readonly_bytes() const
-{
-    return m_bytes;
-}
-
 size_t FixedMemoryStream::offset() const
 {
     return m_offset;
diff --git a/AK/MemoryStream.h b/AK/MemoryStream.h
index 84d5a5a58a..4f514169ff 100644
--- a/AK/MemoryStream.h
+++ b/AK/MemoryStream.h
@@ -31,8 +31,6 @@ public:
     virtual ErrorOr<size_t> write_some(ReadonlyBytes bytes) override;
     virtual ErrorOr<void> write_until_depleted(ReadonlyBytes bytes) override;
 
-    Bytes bytes();
-    ReadonlyBytes readonly_bytes() const;
     size_t offset() const;
     size_t remaining() const;
 
diff --git a/Userland/Libraries/LibGfx/ImageFormats/TGALoader.cpp b/Userland/Libraries/LibGfx/ImageFormats/TGALoader.cpp
index 686a99311c..088d570d10 100644
--- a/Userland/Libraries/LibGfx/ImageFormats/TGALoader.cpp
+++ b/Userland/Libraries/LibGfx/ImageFormats/TGALoader.cpp
@@ -51,10 +51,12 @@ struct AK::Traits<Gfx::TGAHeader> : public GenericTraits<Gfx::TGAHeader> {
 namespace Gfx {
 
 struct TGALoadingContext {
-    TGALoadingContext(FixedMemoryStream stream)
-        : stream(move(stream))
+    TGALoadingContext(ReadonlyBytes bytes, FixedMemoryStream stream)
+        : bytes(bytes)
+        , stream(move(stream))
     {
     }
+    ReadonlyBytes bytes;
     FixedMemoryStream stream;
     TGAHeader header {};
     RefPtr<Gfx::Bitmap> bitmap;
@@ -85,7 +87,7 @@ static ErrorOr<void> ensure_header_validity(TGAHeader const& header, size_t whol
 ErrorOr<void> TGAImageDecoderPlugin::decode_tga_header()
 {
     m_context->header = TRY(m_context->stream.read_value<TGAHeader>());
-    TRY(ensure_header_validity(m_context->header, m_context->stream.readonly_bytes().size()));
+    TRY(ensure_header_validity(m_context->header, m_context->bytes.size()));
     return {};
 }
 
@@ -99,7 +101,7 @@ ErrorOr<bool> TGAImageDecoderPlugin::validate_before_create(ReadonlyBytes data)
 ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> TGAImageDecoderPlugin::create(ReadonlyBytes data)
 {
     FixedMemoryStream stream { data };
-    auto context = TRY(adopt_nonnull_own_or_enomem(new (nothrow) TGALoadingContext(move(stream))));
+    auto context = TRY(adopt_nonnull_own_or_enomem(new (nothrow) TGALoadingContext(data, move(stream))));
     auto plugin = TRY(adopt_nonnull_own_or_enomem(new (nothrow) TGAImageDecoderPlugin(move(context))));
     TRY(plugin->decode_tga_header());
     return plugin;
diff --git a/Userland/Libraries/LibVideo/VP9/Context.h b/Userland/Libraries/LibVideo/VP9/Context.h
index 58bcf5bae5..051099534f 100644
--- a/Userland/Libraries/LibVideo/VP9/Context.h
+++ b/Userland/Libraries/LibVideo/VP9/Context.h
@@ -46,6 +46,7 @@ public:
         Vector2D<FrameBlockContext>& contexts)
     {
         return FrameContext(
+            data,
             TRY(try_make<FixedMemoryStream>(data)),
             TRY(try_make<SyntaxElementCounter>()),
             contexts);
@@ -54,12 +55,12 @@ public:
     FrameContext(FrameContext const&) = delete;
     FrameContext(FrameContext&&) = default;
 
+    ReadonlyBytes stream_data;
     NonnullOwnPtr<FixedMemoryStream> stream;
     BigEndianInputBitStream bit_stream;
 
     DecoderErrorOr<BooleanDecoder> create_range_decoder(size_t size)
     {
-        ReadonlyBytes stream_data = stream->readonly_bytes();
         auto compressed_header_data = ReadonlyBytes(stream_data.data() + stream->offset(), size);
 
         // 9.2.1: The Boolean decoding process specified in section 9.2.2 is invoked to read a marker syntax element from the
@@ -178,10 +179,12 @@ public:
 private:
     friend struct TileContext;
 
-    FrameContext(NonnullOwnPtr<FixedMemoryStream> stream,
+    FrameContext(ReadonlyBytes data,
+        NonnullOwnPtr<FixedMemoryStream> stream,
         NonnullOwnPtr<SyntaxElementCounter> counter,
         Vector2D<FrameBlockContext>& contexts)
-        : stream(move(stream))
+        : stream_data(data)
+        , stream(move(stream))
         , bit_stream(MaybeOwned<Stream>(*this->stream))
         , counter(move(counter))
         , m_block_contexts(contexts)