Remove MoreVectorization.
diff --git a/unsupported/Eigen/CMakeLists.txt b/unsupported/Eigen/CMakeLists.txt
index dcf9500..3283f40 100644
--- a/unsupported/Eigen/CMakeLists.txt
+++ b/unsupported/Eigen/CMakeLists.txt
@@ -1,4 +1,4 @@
-set(Eigen_HEADERS 
+set(Eigen_HEADERS
   AdolcForward
   AlignedVector3
   ArpackSupport
@@ -6,18 +6,17 @@
   BVH
   EulerAngles
   FFT
-  IterativeSolvers 
+  IterativeSolvers
   KroneckerProduct
   LevenbergMarquardt
-  MatrixFunctions 
-  MoreVectorization
+  MatrixFunctions
   MPRealSupport
   NNLS
   NonLinearOptimization
   NumericalDiff
   OpenGLSupport
   Polynomials
-  Skyline 
+  Skyline
   SparseExtra
   SpecialFunctions
   Splines
diff --git a/unsupported/Eigen/MoreVectorization b/unsupported/Eigen/MoreVectorization
deleted file mode 100644
index 1d5cbbf..0000000
--- a/unsupported/Eigen/MoreVectorization
+++ /dev/null
@@ -1,26 +0,0 @@
-// This file is part of Eigen, a lightweight C++ template library
-// for linear algebra.
-//
-//
-// This Source Code Form is subject to the terms of the Mozilla
-// Public License v. 2.0. If a copy of the MPL was not distributed
-// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-#ifndef EIGEN_MOREVECTORIZATION_MODULE_H
-#define EIGEN_MOREVECTORIZATION_MODULE_H
-
-#include "../../Eigen/Core"
-
-namespace Eigen {
-
-/**
- * \defgroup MoreVectorization More vectorization module
- */
-
-}
-
-// IWYU pragma: begin_exports
-#include "src/MoreVectorization/MathFunctions.h"
-// IWYU pragma: end_exports
-
-#endif  // EIGEN_MOREVECTORIZATION_MODULE_H
diff --git a/unsupported/Eigen/src/MoreVectorization/InternalHeaderCheck.h b/unsupported/Eigen/src/MoreVectorization/InternalHeaderCheck.h
deleted file mode 100644
index ad44142..0000000
--- a/unsupported/Eigen/src/MoreVectorization/InternalHeaderCheck.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef EIGEN_MOREVECTORIZATION_MODULE_H
-#error \
-    "Please include unsupported/Eigen/MoreVectorization instead of including headers inside the src directory directly."
-#endif
diff --git a/unsupported/Eigen/src/MoreVectorization/MathFunctions.h b/unsupported/Eigen/src/MoreVectorization/MathFunctions.h
deleted file mode 100644
index 74c904f..0000000
--- a/unsupported/Eigen/src/MoreVectorization/MathFunctions.h
+++ /dev/null
@@ -1,100 +0,0 @@
-// This file is part of Eigen, a lightweight C++ template library
-// for linear algebra.
-//
-// Copyright (C) 2009 Rohit Garg <rpg.314@gmail.com>
-// Copyright (C) 2009 Benoit Jacob <jacob.benoit.1@gmail.com>
-//
-// This Source Code Form is subject to the terms of the Mozilla
-// Public License v. 2.0. If a copy of the MPL was not distributed
-// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-#ifndef EIGEN_MOREVECTORIZATION_MATHFUNCTIONS_H
-#define EIGEN_MOREVECTORIZATION_MATHFUNCTIONS_H
-
-// IWYU pragma: private
-#include "./InternalHeaderCheck.h"
-
-namespace Eigen {
-
-namespace internal {
-
-/** \internal \returns the arcsin of \a a (coeff-wise) */
-template <typename Packet>
-inline static Packet pasin(Packet a) {
-  return std::asin(a);
-}
-
-#ifdef EIGEN_VECTORIZE_SSE
-
-template <>
-EIGEN_DONT_INLINE Packet4f pasin(Packet4f x) {
-  EIGEN_DECLARE_CONST_Packet4f(half, 0.5);
-  EIGEN_DECLARE_CONST_Packet4f(minus_half, -0.5);
-  EIGEN_DECLARE_CONST_Packet4f(3half, 1.5);
-
-  EIGEN_DECLARE_CONST_Packet4f_FROM_INT(sign_mask, 0x80000000);
-
-  EIGEN_DECLARE_CONST_Packet4f(pi, 3.141592654);
-  EIGEN_DECLARE_CONST_Packet4f(pi_over_2, 3.141592654 * 0.5);
-
-  EIGEN_DECLARE_CONST_Packet4f(asin1, 4.2163199048E-2);
-  EIGEN_DECLARE_CONST_Packet4f(asin2, 2.4181311049E-2);
-  EIGEN_DECLARE_CONST_Packet4f(asin3, 4.5470025998E-2);
-  EIGEN_DECLARE_CONST_Packet4f(asin4, 7.4953002686E-2);
-  EIGEN_DECLARE_CONST_Packet4f(asin5, 1.6666752422E-1);
-
-  Packet4f a = pabs(x);  // got the absolute value
-
-  Packet4f sign_bit = _mm_and_ps(x, p4f_sign_mask);  // extracted the sign bit
-
-  Packet4f z1, z2;  // will need them during computation
-
-  // will compute the two branches for asin
-  // so first compare with half
-
-  Packet4f branch_mask = _mm_cmpgt_ps(a, p4f_half);  // this is to select which branch to take
-  // both will be taken, and finally results will be merged
-  // the branch for values >0.5
-
-  {
-    // the core series expansion
-    z1 = pmadd(p4f_minus_half, a, p4f_half);
-    Packet4f x1 = psqrt(z1);
-    Packet4f s1 = pmadd(p4f_asin1, z1, p4f_asin2);
-    Packet4f s2 = pmadd(s1, z1, p4f_asin3);
-    Packet4f s3 = pmadd(s2, z1, p4f_asin4);
-    Packet4f s4 = pmadd(s3, z1, p4f_asin5);
-    Packet4f temp = pmul(s4, z1);  // not really a madd but a mul by z so that the next term can be a madd
-    z1 = pmadd(temp, x1, x1);
-    z1 = padd(z1, z1);
-    z1 = psub(p4f_pi_over_2, z1);
-  }
-
-  {
-    // the core series expansion
-    Packet4f x2 = a;
-    z2 = pmul(x2, x2);
-    Packet4f s1 = pmadd(p4f_asin1, z2, p4f_asin2);
-    Packet4f s2 = pmadd(s1, z2, p4f_asin3);
-    Packet4f s3 = pmadd(s2, z2, p4f_asin4);
-    Packet4f s4 = pmadd(s3, z2, p4f_asin5);
-    Packet4f temp = pmul(s4, z2);  // not really a madd but a mul by z so that the next term can be a madd
-    z2 = pmadd(temp, x2, x2);
-  }
-
-  /* select the correct result from the two branch evaluations */
-  z1 = _mm_and_ps(branch_mask, z1);
-  z2 = _mm_andnot_ps(branch_mask, z2);
-  Packet4f z = _mm_or_ps(z1, z2);
-
-  /* update the sign */
-  return _mm_xor_ps(z, sign_bit);
-}
-
-#endif  // EIGEN_VECTORIZE_SSE
-
-}  // end namespace internal
-
-}  // end namespace Eigen
-
-#endif  // EIGEN_MOREVECTORIZATION_MATHFUNCTIONS_H