diff --git a/Eigen/src/Core/MatrixBase.h b/Eigen/src/Core/MatrixBase.h
index 40abe76a4..e5eed715b 100644
--- a/Eigen/src/Core/MatrixBase.h
+++ b/Eigen/src/Core/MatrixBase.h
@@ -781,11 +781,6 @@ template<typename Derived> class MatrixBase
     template<typename Derived1, typename Derived2>
     Derived& lazyAssign(const SparseProduct<Derived1,Derived2,DenseTimeSparseProduct>& product);
 
-// dense = skyline * dense
-	template<typename Derived1, typename Derived2>
-	Derived& lazyAssign(const SkylineProduct<Derived1,Derived2,SkylineTimeDenseProduct>& product);
-
-
 ////////// Householder module ///////////
 
     void makeHouseholderInPlace(Scalar *tau, RealScalar *beta);
diff --git a/unsupported/Eigen/src/Skyline/SkylineProduct.h b/unsupported/Eigen/src/Skyline/SkylineProduct.h
index 85ccacac8..9586576b5 100644
--- a/unsupported/Eigen/src/Skyline/SkylineProduct.h
+++ b/unsupported/Eigen/src/Skyline/SkylineProduct.h
@@ -25,17 +25,6 @@
 #ifndef EIGEN_SKYLINEPRODUCT_H
 #define EIGEN_SKYLINEPRODUCT_H
 
-template<typename Lhs, typename Rhs> struct ei_skyline_product_mode {
-
-    enum {
-        value = (Rhs::Flags & Lhs::Flags & SkylineBit) == SkylineBit
-        ? SkylineTimeSkylineProduct
-        : (Lhs::Flags & SkylineBit) == SkylineBit
-        ? SkylineTimeDenseProduct
-        : DenseTimeSkylineProduct
-    };
-};
-
 template<typename Lhs, typename Rhs, int ProductMode>
 struct SkylineProductReturnType {
     typedef const typename ei_nested<Lhs, Rhs::RowsAtCompileTime>::type LhsNested;
@@ -290,16 +279,16 @@ struct ei_skyline_product_selector<Lhs, Rhs, ResultType, ColMajor> {
     }
 };
 
-template<typename Derived>
-template<typename Lhs, typename Rhs >
-Derived & MatrixBase<Derived>::lazyAssign(const SkylineProduct<Lhs, Rhs, SkylineTimeDenseProduct>& product) {
-    typedef typename ei_cleantype<Lhs>::type _Lhs;
-    ei_skyline_product_selector<typename ei_cleantype<Lhs>::type,
-            typename ei_cleantype<Rhs>::type,
-            Derived>::run(product.lhs(), product.rhs(), derived());
-
-    return derived();
-}
+// template<typename Derived>
+// template<typename Lhs, typename Rhs >
+// Derived & MatrixBase<Derived>::lazyAssign(const SkylineProduct<Lhs, Rhs, SkylineTimeDenseProduct>& product) {
+//     typedef typename ei_cleantype<Lhs>::type _Lhs;
+//     ei_skyline_product_selector<typename ei_cleantype<Lhs>::type,
+//             typename ei_cleantype<Rhs>::type,
+//             Derived>::run(product.lhs(), product.rhs(), derived());
+// 
+//     return derived();
+// }
 
 // skyline * dense