diff --git a/Eigen/src/Cholesky/LDLT.h b/Eigen/src/Cholesky/LDLT.h
index 9756a82fb..02ab93880 100644
--- a/Eigen/src/Cholesky/LDLT.h
+++ b/Eigen/src/Cholesky/LDLT.h
@@ -503,7 +503,6 @@ struct solve_retval<LDLT<_MatrixType,_UpLo>, Rhs>
     using std::abs;
     using std::max;
     typedef typename LDLTType::MatrixType MatrixType;
-    typedef typename LDLTType::Scalar Scalar;
     typedef typename LDLTType::RealScalar RealScalar;
     const typename Diagonal<const MatrixType>::RealReturnType vectorD(dec().vectorD());
     // In some previous versions, tolerance was set to the max of 1/highest and the maximal diagonal entry * epsilon
diff --git a/unsupported/Eigen/src/MatrixFunctions/MatrixPower.h b/unsupported/Eigen/src/MatrixFunctions/MatrixPower.h
index c32437281..78a307e96 100644
--- a/unsupported/Eigen/src/MatrixFunctions/MatrixPower.h
+++ b/unsupported/Eigen/src/MatrixFunctions/MatrixPower.h
@@ -110,7 +110,6 @@ void MatrixPowerAtomic<MatrixType>::compute2x2(MatrixType& res, RealScalar p) co
   using std::abs;
   using std::pow;
   
-  ArrayType logTdiag = m_A.diagonal().array().log();
   res.coeffRef(0,0) = pow(m_A.coeff(0,0), p);
 
   for (Index i=1; i < m_A.cols(); ++i) {
diff --git a/unsupported/test/polynomialsolver.cpp b/unsupported/test/polynomialsolver.cpp
index 13f92169e..de79f1538 100644
--- a/unsupported/test/polynomialsolver.cpp
+++ b/unsupported/test/polynomialsolver.cpp
@@ -104,9 +104,7 @@ 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;
-    typedef PolynomialSolver<Scalar, Deg >              PolynomialSolverType;
 
     //Test realRoots
     std::vector< Real > calc_realRoots;