diff --git a/Eigen/src/Core/BooleanRedux.h b/Eigen/src/Core/BooleanRedux.h
index 3302634e2..20e5bd9ba 100644
--- a/Eigen/src/Core/BooleanRedux.h
+++ b/Eigen/src/Core/BooleanRedux.h
@@ -86,8 +86,6 @@ EIGEN_DEVICE_FUNC inline bool DenseBase<Derived>::all() const
   enum {
     unroll = SizeAtCompileTime != Dynamic
           && SizeAtCompileTime * (int(Evaluator::CoeffReadCost) + int(NumTraits<Scalar>::AddCost)) <= EIGEN_UNROLLING_LIMIT,
-    IsRowMajor = (int(internal::traits<Derived>::Flags) & int(RowMajor)),
-    InnerSizeAtCompileTime = IsRowMajor ? internal::traits<Derived>::ColsAtCompileTime : internal::traits<Derived>::RowsAtCompileTime
   };
   Evaluator evaluator(derived());
   if(unroll)
@@ -112,8 +110,6 @@ EIGEN_DEVICE_FUNC inline bool DenseBase<Derived>::any() const
   enum {
     unroll = SizeAtCompileTime != Dynamic
           && SizeAtCompileTime * (int(Evaluator::CoeffReadCost) + int(NumTraits<Scalar>::AddCost)) <= EIGEN_UNROLLING_LIMIT,
-    IsRowMajor = (int(internal::traits<Derived>::Flags) & int(RowMajor)),
-    InnerSizeAtCompileTime = IsRowMajor ? internal::traits<Derived>::ColsAtCompileTime : internal::traits<Derived>::RowsAtCompileTime
   };
   Evaluator evaluator(derived());
   if(unroll)