1 files changed, 4 insertions, 9 deletions
diff --git a/libqpdf/qpdf/OHArray.hh b/libqpdf/qpdf/OHArray.hh
index 66223c4f..e6dc9524 100644
--- a/libqpdf/qpdf/OHArray.hh
+++ b/libqpdf/qpdf/OHArray.hh
@@ -2,7 +2,9 @@
 #define QPDF_OHARRAY_HH
 
 #include <qpdf/QPDFObjectHandle.hh>
-#include <unordered_map>
+#include <qpdf/QPDFObject_private.hh>
+
+#include <vector>
 
 class QPDF_Array;
 
@@ -14,22 +16,15 @@ class OHArray
     void append(QPDFObjectHandle oh);
     void append(std::shared_ptr<QPDFObject>&& obj);
     QPDFObjectHandle at(size_t idx) const;
-    void remove_last();
     void setAt(size_t idx, QPDFObjectHandle oh);
     void erase(size_t idx);
     void insert(size_t idx, QPDFObjectHandle oh);
     OHArray copy();
     void disconnect();
 
-    typedef std::unordered_map<size_t, QPDFObjectHandle>::const_iterator
-        const_iterator;
-    const_iterator begin() const;
-    const_iterator end() const;
-
   private:
     friend class QPDF_Array;
-    std::unordered_map<size_t, QPDFObjectHandle> elements;
-    size_t n_elements;
+    std::vector<std::shared_ptr<QPDFObject>> elements;
 };
 
 #endif // QPDF_OHARRAY_HH