diff --git a/Userland/Libraries/LibGfx/ImageFormats/GIFLoader.cpp b/Userland/Libraries/LibGfx/ImageFormats/GIFLoader.cpp
index 4203aa7588..23d0abab8d 100644
--- a/Userland/Libraries/LibGfx/ImageFormats/GIFLoader.cpp
+++ b/Userland/Libraries/LibGfx/ImageFormats/GIFLoader.cpp
@@ -548,13 +548,6 @@ IntSize GIFImageDecoderPlugin::size()
     return { m_context->logical_screen.width, m_context->logical_screen.height };
 }
 
-ErrorOr<void> GIFImageDecoderPlugin::initialize()
-{
-    FixedMemoryStream stream { { m_context->data, m_context->data_size } };
-    TRY(decode_gif_header(stream));
-    return {};
-}
-
 bool GIFImageDecoderPlugin::sniff(ReadonlyBytes data)
 {
     FixedMemoryStream stream { data };
diff --git a/Userland/Libraries/LibGfx/ImageFormats/GIFLoader.h b/Userland/Libraries/LibGfx/ImageFormats/GIFLoader.h
index 0d0c5e62a6..0c9f474fe3 100644
--- a/Userland/Libraries/LibGfx/ImageFormats/GIFLoader.h
+++ b/Userland/Libraries/LibGfx/ImageFormats/GIFLoader.h
@@ -22,7 +22,6 @@ public:
 
     virtual IntSize size() override;
 
-    virtual ErrorOr<void> initialize() override;
     virtual bool is_animated() override;
     virtual size_t loop_count() override;
     virtual size_t frame_count() override;