diff --git a/Eigen/src/SparseLU/SparseLU.h b/Eigen/src/SparseLU/SparseLU.h
index f883ab383..7104831c0 100644
--- a/Eigen/src/SparseLU/SparseLU.h
+++ b/Eigen/src/SparseLU/SparseLU.h
@@ -499,8 +499,6 @@ void SparseLU<MatrixType, OrderingType>::factorize(const MatrixType& matrix)
   eigen_assert(m_analysisIsOk && "analyzePattern() should be called first"); 
   eigen_assert((matrix.rows() == matrix.cols()) && "Only for squared matrices");
   
-  typedef typename IndexVector::Scalar StorageIndex; 
-  
   m_isInitialized = true;
   
   
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorContractionThreadPool.h b/unsupported/Eigen/CXX11/src/Tensor/TensorContractionThreadPool.h
index ee16cde9b..c70dea053 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorContractionThreadPool.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorContractionThreadPool.h
@@ -116,15 +116,6 @@ struct TensorEvaluator<const TensorContractionOp<Indices, LeftArgType, RightArgT
   template <bool lhs_inner_dim_contiguous, bool rhs_inner_dim_contiguous,
             bool rhs_inner_dim_reordered, int Alignment>
   void evalProduct(Scalar* buffer) const {
-    typedef
-        typename internal::remove_const<typename EvalLeftArgType::Scalar>::type
-            LhsScalar;
-    typedef
-        typename internal::remove_const<typename EvalRightArgType::Scalar>::type
-            RhsScalar;
-    typedef typename internal::gebp_traits<LhsScalar, RhsScalar> Traits;
-    typedef TensorEvaluator<EvalLeftArgType, Device> LeftEvaluator;
-    typedef TensorEvaluator<EvalRightArgType, Device> RightEvaluator;
     typedef internal::TensorContractionInputMapper<
         LhsScalar, Index, internal::Lhs, LeftEvaluator, left_nocontract_t,
         contract_t, internal::packet_traits<LhsScalar>::size,
diff --git a/unsupported/Eigen/src/IterativeSolvers/DGMRES.h b/unsupported/Eigen/src/IterativeSolvers/DGMRES.h
index eae717aa2..4079e2367 100644
--- a/unsupported/Eigen/src/IterativeSolvers/DGMRES.h
+++ b/unsupported/Eigen/src/IterativeSolvers/DGMRES.h
@@ -392,7 +392,6 @@ inline typename DGMRES<_MatrixType, _Preconditioner>::ComplexVector DGMRES<_Matr
 template< typename _MatrixType, typename _Preconditioner>
 inline typename DGMRES<_MatrixType, _Preconditioner>::ComplexVector DGMRES<_MatrixType, _Preconditioner>::schurValues(const RealSchur<DenseMatrix>& schurofH) const
 {
-  typedef typename MatrixType::Index Index;
   const DenseMatrix& T = schurofH.matrixT();
   Index it = T.rows();
   ComplexVector eig(it);
diff --git a/unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h b/unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h
index afd88ec4d..2e5abda38 100644
--- a/unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h
+++ b/unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h
@@ -120,7 +120,6 @@ template <typename MatrixType, typename ResultType>
 void matrix_sqrt_quasi_triangular_diagonal(const MatrixType& T, ResultType& sqrtT)
 {
   using std::sqrt;
-  typedef typename MatrixType::Index Index;
   const Index size = T.rows();
   for (Index i = 0; i < size; i++) {
     if (i == size - 1 || T.coeff(i+1, i) == 0) {
@@ -139,7 +138,6 @@ void matrix_sqrt_quasi_triangular_diagonal(const MatrixType& T, ResultType& sqrt
 template <typename MatrixType, typename ResultType>
 void matrix_sqrt_quasi_triangular_off_diagonal(const MatrixType& T, ResultType& sqrtT)
 {
-  typedef typename MatrixType::Index Index;
   const Index size = T.rows();
   for (Index j = 1; j < size; j++) {
       if (T.coeff(j, j-1) != 0)  // if T(j-1:j, j-1:j) is a 2-by-2 block
@@ -206,7 +204,6 @@ template <typename MatrixType, typename ResultType>
 void matrix_sqrt_triangular(const MatrixType &arg, ResultType &result)
 {
   using std::sqrt;
-  typedef typename MatrixType::Index Index;
       typedef typename MatrixType::Scalar Scalar;
 
   eigen_assert(arg.rows() == arg.cols());
@@ -318,7 +315,6 @@ template<typename Derived> class MatrixSquareRootReturnValue
 : public ReturnByValue<MatrixSquareRootReturnValue<Derived> >
 {
   protected:
-    typedef typename Derived::Index Index;
     typedef typename internal::ref_selector<Derived>::type DerivedNested;
 
   public:
diff --git a/unsupported/Eigen/src/SparseExtra/MarketIO.h b/unsupported/Eigen/src/SparseExtra/MarketIO.h
index 41e4af4a4..54a22065d 100644
--- a/unsupported/Eigen/src/SparseExtra/MarketIO.h
+++ b/unsupported/Eigen/src/SparseExtra/MarketIO.h
@@ -134,7 +134,7 @@ template<typename SparseMatrixType>
 bool loadMarket(SparseMatrixType& mat, const std::string& filename)
 {
   typedef typename SparseMatrixType::Scalar Scalar;
-  typedef typename SparseMatrixType::Index Index;
+  typedef typename SparseMatrixType::StorageIndex StorageIndex;
   std::ifstream input(filename.c_str(),std::ios::in);
   if(!input)
     return false;
@@ -144,11 +144,11 @@ bool loadMarket(SparseMatrixType& mat, const std::string& filename)
   
   bool readsizes = false;
 
-  typedef Triplet<Scalar,Index> T;
+  typedef Triplet<Scalar,StorageIndex> T;
   std::vector<T> elements;
   
-  Index M(-1), N(-1), NNZ(-1);
-  Index count = 0;
+  StorageIndex M(-1), N(-1), NNZ(-1);
+  StorageIndex count = 0;
   while(input.getline(buffer, maxBuffersize))
   {
     // skip comments   
@@ -171,7 +171,7 @@ bool loadMarket(SparseMatrixType& mat, const std::string& filename)
     }
     else
     { 
-      Index i(-1), j(-1);
+      StorageIndex i(-1), j(-1);
       Scalar value; 
       if( internal::GetMarketLine(line, M, N, i, j, value) ) 
       {
diff --git a/unsupported/Eigen/src/Splines/Spline.h b/unsupported/Eigen/src/Splines/Spline.h
index 627f6e482..57788c84a 100644
--- a/unsupported/Eigen/src/Splines/Spline.h
+++ b/unsupported/Eigen/src/Splines/Spline.h
@@ -249,8 +249,6 @@ namespace Eigen
     DenseIndex degree,
     const typename Spline<_Scalar, _Dim, _Degree>::KnotVectorType& knots)
   {
-    typedef typename Spline<_Scalar, _Dim, _Degree>::BasisVectorType BasisVectorType;
-
     const DenseIndex p = degree;
     const DenseIndex i = Spline::Span(u, degree, knots);
 
@@ -380,9 +378,6 @@ namespace Eigen
     typedef Spline<_Scalar, _Dim, _Degree> SplineType;
     enum { Order = SplineTraits<SplineType>::OrderAtCompileTime };
 
-    typedef typename SplineTraits<SplineType>::Scalar Scalar;
-    typedef typename SplineTraits<SplineType>::BasisVectorType BasisVectorType;
-  
     const DenseIndex span = SplineType::Span(u, p, U);
 
     const DenseIndex n = (std::min)(p, order);
diff --git a/unsupported/test/matrix_function.cpp b/unsupported/test/matrix_function.cpp
index 12f3862f0..6a2b2194a 100644
--- a/unsupported/test/matrix_function.cpp
+++ b/unsupported/test/matrix_function.cpp
@@ -50,7 +50,6 @@ struct randomMatrixWithImagEivals<MatrixType, 0>
 {
   static MatrixType run(const typename MatrixType::Index size)
   {
-    typedef typename MatrixType::Index Index;
     typedef typename MatrixType::Scalar Scalar;
     MatrixType diag = MatrixType::Zero(size, size);
     Index i = 0;
@@ -78,7 +77,6 @@ struct randomMatrixWithImagEivals<MatrixType, 1>
 {
   static MatrixType run(const typename MatrixType::Index size)
   {
-    typedef typename MatrixType::Index Index;
     typedef typename MatrixType::Scalar Scalar;
     typedef typename MatrixType::RealScalar RealScalar;
     const Scalar imagUnit(0, 1);
@@ -170,7 +168,6 @@ void testMatrixType(const MatrixType& m)
 {
   // Matrices with clustered eigenvalue lead to different code paths
   // in MatrixFunction.h and are thus useful for testing.
-  typedef typename MatrixType::Index Index;
 
   const Index size = m.rows();
   for (int i = 0; i < g_repeat; i++) {
diff --git a/unsupported/test/openglsupport.cpp b/unsupported/test/openglsupport.cpp
index 706a816f7..5f6343427 100644
--- a/unsupported/test/openglsupport.cpp
+++ b/unsupported/test/openglsupport.cpp
@@ -318,10 +318,6 @@ void test_openglsupport()
         
       GLint prg_id = createShader(vtx,frg);
       
-      typedef Vector2d Vector2d;
-      typedef Vector3d Vector3d;
-      typedef Vector4d Vector4d;
-      
       VERIFY_UNIFORM(dv,v2d, Vector2d);
       VERIFY_UNIFORM(dv,v3d, Vector3d);
       VERIFY_UNIFORM(dv,v4d, Vector4d);
diff --git a/unsupported/test/polynomialsolver.cpp b/unsupported/test/polynomialsolver.cpp
index 0c87478dd..4cfc46b41 100644
--- a/unsupported/test/polynomialsolver.cpp
+++ b/unsupported/test/polynomialsolver.cpp
@@ -30,7 +30,6 @@ struct increment_if_fixed_size
 template<int Deg, typename POLYNOMIAL, typename SOLVER>
 bool aux_evalSolver( const POLYNOMIAL& pols, SOLVER& psolve )
 {
-  typedef typename POLYNOMIAL::Index Index;
   typedef typename POLYNOMIAL::Scalar Scalar;
 
   typedef typename SOLVER::RootsType    RootsType;
@@ -107,7 +106,6 @@ void evalSolverSugarFunction( const POLYNOMIAL& pols, const ROOTS& roots, const
     // 1) the roots found are correct
     // 2) the roots have distinct moduli
 
-    typedef typename POLYNOMIAL::Scalar                 Scalar;
     typedef typename REAL_ROOTS::Scalar                 Real;
 
     //Test realRoots