diff --git a/Eigen/src/SparseCore/SparseDiagonalProduct.h b/Eigen/src/SparseCore/SparseDiagonalProduct.h
index fdc4bd495..29a67da35 100644
--- a/Eigen/src/SparseCore/SparseDiagonalProduct.h
+++ b/Eigen/src/SparseCore/SparseDiagonalProduct.h
@@ -107,8 +107,7 @@ struct sparse_diagonal_product_evaluator<SparseXprType, DiagCoeffType, SDP_AsCwi
   {
   public:
     InnerIterator(const sparse_diagonal_product_evaluator &xprEval, Index outer)
-      : m_innerVectorXpr(xprEval.m_sparseXprNested.innerVector(outer)),
-        m_cwiseXpr(m_innerVectorXpr.cwiseProduct(xprEval.m_diagCoeffNested)),
+      : m_cwiseXpr(xprEval.m_sparseXprNested.innerVector(outer).cwiseProduct(xprEval.m_diagCoeffNested)),
         m_cwiseEval(m_cwiseXpr),
         m_cwiseIter(m_cwiseEval, 0),
         m_outer(outer)
@@ -125,7 +124,6 @@ struct sparse_diagonal_product_evaluator<SparseXprType, DiagCoeffType, SDP_AsCwi
     inline operator bool() const  { return m_cwiseIter; }
     
   protected:
-    const typename SparseXprType::ConstInnerVectorReturnType m_innerVectorXpr;
     const CwiseProductType m_cwiseXpr;
     CwiseProductEval m_cwiseEval;
     CwiseProductIterator m_cwiseIter;