diff --git a/src/Frame.h b/src/Frame.h
index 9adf672ecb..1fb1c297a3 100644
--- a/src/Frame.h
+++ b/src/Frame.h
@@ -25,7 +25,6 @@ class Frame {
  public:
   typedef uint64_t Time;
 
- private:
   struct Data {
     explicit Data(std::size_t capacity_)
         : data(new char[capacity_]), size(0), capacity(capacity_) {}