diff --git a/engine/src/flutter/display_list/display_list.h b/engine/src/flutter/display_list/display_list.h
index 8eab4494ef9..e30968a1f64 100644
--- a/engine/src/flutter/display_list/display_list.h
+++ b/engine/src/flutter/display_list/display_list.h
@@ -283,7 +283,10 @@ class DisplayList : public SkRefCnt {
               const SkRect& cull_rect,
               bool can_apply_group_opacity);
 
-  std::unique_ptr<uint8_t, SkFunctionWrapper<void(void*), sk_free>> storage_;
+  struct SkFreeDeleter {
+    void operator()(uint8_t* p) { sk_free(p); }
+  };
+  std::unique_ptr<uint8_t, SkFreeDeleter> storage_;
   size_t byte_count_;
   unsigned int op_count_;