diff --git a/libqpdf/QPDF_Stream.cc b/libqpdf/QPDF_Stream.cc
index 7f60e1cd..fbd1e47e 100644
--- a/libqpdf/QPDF_Stream.cc
+++ b/libqpdf/QPDF_Stream.cc
@@ -115,8 +115,6 @@ QPDF_Stream::QPDF_Stream(
     qpdf_offset_t offset,
     size_t length) :
     QPDFValue(::ot_stream, "stream"),
-    qpdf(qpdf),
-    og(og),
     filter_on_write(true),
     stream_dict(stream_dict),
     offset(offset),
diff --git a/libqpdf/qpdf/QPDF_Stream.hh b/libqpdf/qpdf/QPDF_Stream.hh
index 935476af..2a9a7592 100644
--- a/libqpdf/qpdf/QPDF_Stream.hh
+++ b/libqpdf/qpdf/QPDF_Stream.hh
@@ -104,8 +104,6 @@ class QPDF_Stream: public QPDFValue
         std::string const& message);
     void setDictDescription();
 
-    QPDF* qpdf;
-    QPDFObjGen og;
     bool filter_on_write;
     QPDFObjectHandle stream_dict;
     qpdf_offset_t offset;