diff --git a/third_party/gif/SkGifImageReader.cpp b/third_party/gif/SkGifImageReader.cpp
index 658e083..a54fb59 100644
--- a/third_party/gif/SkGifImageReader.cpp
+++ b/third_party/gif/SkGifImageReader.cpp
@@ -858,7 +858,7 @@
 {
     if (m_frames.empty() || m_frames.back()->isComplete()) {
         const int i = m_frames.count();
-        m_frames.emplace_back(new SkGIFFrameContext(this, i));
+        m_frames.emplace_back(new SkGIFFrameContext(i));
     }
 }
 
diff --git a/third_party/gif/SkGifImageReader.h b/third_party/gif/SkGifImageReader.h
index d1063dd..b5eca10 100644
--- a/third_party/gif/SkGifImageReader.h
+++ b/third_party/gif/SkGifImageReader.h
@@ -196,7 +196,7 @@
 // LocalFrame output state machine.
 class SkGIFFrameContext : public SkFrame {
 public:
-    SkGIFFrameContext(SkGifImageReader* reader, int id)
+    SkGIFFrameContext(int id)
         : INHERITED(id)
         , m_transparentPixel(SkGIFColorMap::kNotFound)
         , m_dataSize(0)