diff --git a/.gitattributes b/.gitattributes
index 8b640483dd512e2259c1e404f4567d4915d3e3b2..22a17e926a73322c2424292c7a8ed6ed121054bc 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -9,7 +9,6 @@
 *.cpp hooks.style=uncrustify
 *.hpp hooks.style=uncrustify
 # Git LFS
-*.pvtu* filter=lfs diff=lfs merge=lfs -text
 *.gif filter=lfs diff=lfs merge=lfs -text
 *.mp4 filter=lfs diff=lfs merge=lfs -text
 *.nc filter=lfs diff=lfs merge=lfs -text
diff --git a/Tests/Data/EllipticPETSc/cube_1e3_neumann_pcs_0_ts_1.pvtu b/Tests/Data/EllipticPETSc/cube_1e3_neumann_pcs_0_ts_1.pvtu
index bfe986c970cbad1c8649132f5fa4bd12dbd09eec..4aa791647cec75dfb303051adb2993089c75d74c 100644
--- a/Tests/Data/EllipticPETSc/cube_1e3_neumann_pcs_0_ts_1.pvtu
+++ b/Tests/Data/EllipticPETSc/cube_1e3_neumann_pcs_0_ts_1.pvtu
@@ -1,3 +1,14 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:387e2717c3ace5ac370627ce7ce058ca9d66dcfba650b92b0f02b769857163e5
-size 579
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="0">
+    <PPointData>
+      <PDataArray type="Float64" Name="pressure"/>
+    </PPointData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="cube_1e3_neumann_pcs_0_ts_1_0.vtu"/>
+    <Piece Source="cube_1e3_neumann_pcs_0_ts_1_1.vtu"/>
+    <Piece Source="cube_1e3_neumann_pcs_0_ts_1_2.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/EllipticPETSc/cube_1e3_neumann_pcs_0_ts_1_t_1_000000.pvtu b/Tests/Data/EllipticPETSc/cube_1e3_neumann_pcs_0_ts_1_t_1_000000.pvtu
index 11a0268714577625aa443b527724f0d824f0cbf1..d23502a9094b19ad429f1e93e33e1ef133809436 100644
--- a/Tests/Data/EllipticPETSc/cube_1e3_neumann_pcs_0_ts_1_t_1_000000.pvtu
+++ b/Tests/Data/EllipticPETSc/cube_1e3_neumann_pcs_0_ts_1_t_1_000000.pvtu
@@ -1,3 +1,19 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:65d267d9cd58617dbee4b52ef2502ab5fa6ac6f31ddbf5e6160334ecfcf1a049
-size 823
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="1">
+    <PPointData>
+      <PDataArray type="Float64" Name="D1_left_front_N1_right"/>
+      <PDataArray type="Float64" Name="Linear_1_to_minus1"/>
+      <PDataArray type="Float64" Name="pressure"/>
+    </PPointData>
+    <PCellData>
+      <PDataArray type="Int32" Name="MaterialIDs"/>
+    </PCellData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="cube_1e3_neumann_pcs_0_ts_1_t_1_000000_0.vtu"/>
+    <Piece Source="cube_1e3_neumann_pcs_0_ts_1_t_1_000000_1.vtu"/>
+    <Piece Source="cube_1e3_neumann_pcs_0_ts_1_t_1_000000_2.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1.pvtu b/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1.pvtu
index c3fedf3f8d40d12c9d4476f2570aba0bc70f9955..47c223a1c4e40bfc639a34d13e744803b11ac7bf 100644
--- a/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1.pvtu
+++ b/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1.pvtu
@@ -1,3 +1,14 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:08d89c2e48af2f826ee235ff8a2706a0b327b3d1c88f527cc7cd6978af1feb0e
-size 532
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="0">
+    <PPointData>
+      <PDataArray type="Float64" Name="Result"/>
+    </PPointData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="cube_1e3_pcs_0_ts_1_0.vtu"/>
+    <Piece Source="cube_1e3_pcs_0_ts_1_1.vtu"/>
+    <Piece Source="cube_1e3_pcs_0_ts_1_2.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1_t_1_000000.pvtu b/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1_t_1_000000.pvtu
index 5c5663afbd87ce420facf34f4735dd896deb1d1d..bb83fa2f1cfd2d87d4f68eb03856792dbaea6b68 100644
--- a/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1_t_1_000000.pvtu
+++ b/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1_t_1_000000.pvtu
@@ -1,3 +1,19 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b1c592f919cc2df92ca999d3e8251437471bc35883b23f8971f660416f2cbc3d
-size 799
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="1">
+    <PPointData>
+      <PDataArray type="Float64" Name="D1_left_front_N1_right"/>
+      <PDataArray type="Float64" Name="Linear_1_to_minus1"/>
+      <PDataArray type="Float64" Name="pressure"/>
+    </PPointData>
+    <PCellData>
+      <PDataArray type="Int32" Name="MaterialIDs"/>
+    </PCellData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="cube_1e3_pcs_0_ts_1_t_1_000000_0.vtu"/>
+    <Piece Source="cube_1e3_pcs_0_ts_1_t_1_000000_1.vtu"/>
+    <Piece Source="cube_1e3_pcs_0_ts_1_t_1_000000_2.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1_visual.pvtu b/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1_visual.pvtu
index c3fedf3f8d40d12c9d4476f2570aba0bc70f9955..47c223a1c4e40bfc639a34d13e744803b11ac7bf 100644
--- a/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1_visual.pvtu
+++ b/Tests/Data/EllipticPETSc/cube_1e3_pcs_0_ts_1_visual.pvtu
@@ -1,3 +1,14 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:08d89c2e48af2f826ee235ff8a2706a0b327b3d1c88f527cc7cd6978af1feb0e
-size 532
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="0">
+    <PPointData>
+      <PDataArray type="Float64" Name="Result"/>
+    </PPointData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="cube_1e3_pcs_0_ts_1_0.vtu"/>
+    <Piece Source="cube_1e3_pcs_0_ts_1_1.vtu"/>
+    <Piece Source="cube_1e3_pcs_0_ts_1_2.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1.pvtu b/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1.pvtu
index a0406d09dcce284c4c19194fbe9dfb1700472d7a..b2c5b713ce3f926f1990706b58b1bdee1f4a3794 100644
--- a/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1.pvtu
+++ b/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1.pvtu
@@ -1,3 +1,14 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ab437aab608035ab4c503fe55bca9f210b917292508bdee3a09e25e77ce6a741
-size 607
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="0">
+    <PPointData>
+      <PDataArray type="Float64" Name="Result"/>
+    </PPointData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_0.vtu"/>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_1.vtu"/>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_2.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_t_1_000000.pvtu b/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_t_1_000000.pvtu
index 985114092ed0b7e1b34b4c71b1fbf471843ffae2..2ce7acf76fdd8899fa10c25cafda4e33f260bb81 100644
--- a/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_t_1_000000.pvtu
+++ b/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_t_1_000000.pvtu
@@ -1,3 +1,14 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cff2c0858089d16989ece79537f3f10f36a05c81abfb991cb569b8db480cf588
-size 642
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="0">
+    <PPointData>
+      <PDataArray type="Float64" Name="pressure"/>
+    </PPointData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_t_1_000000_0.vtu"/>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_t_1_000000_1.vtu"/>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_t_1_000000_2.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_visual.pvtu b/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_visual.pvtu
index a0406d09dcce284c4c19194fbe9dfb1700472d7a..b2c5b713ce3f926f1990706b58b1bdee1f4a3794 100644
--- a/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_visual.pvtu
+++ b/Tests/Data/EllipticPETSc/quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_visual.pvtu
@@ -1,3 +1,14 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ab437aab608035ab4c503fe55bca9f210b917292508bdee3a09e25e77ce6a741
-size 607
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="0">
+    <PPointData>
+      <PDataArray type="Float64" Name="Result"/>
+    </PPointData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_0.vtu"/>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_1.vtu"/>
+    <Piece Source="quad_20x10_GroundWaterFlow_result_pcs_0_ts_1_2.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/Mechanics/Linear/disc_with_hole_pcs_0_ts_4_t_1_000000.pvtu b/Tests/Data/Mechanics/Linear/disc_with_hole_pcs_0_ts_4_t_1_000000.pvtu
index 061defad7e3d3124239983411b6f607451d35004..dceff4a26de589108b18d95a7196e8860d22b0f1 100644
--- a/Tests/Data/Mechanics/Linear/disc_with_hole_pcs_0_ts_4_t_1_000000.pvtu
+++ b/Tests/Data/Mechanics/Linear/disc_with_hole_pcs_0_ts_4_t_1_000000.pvtu
@@ -1,3 +1,16 @@
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-oid sha256:225f22bb763b217ea10ca8ce8262e82ea4cdd946b1bc79f365b447e1f87aac9f
-size 775
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="1">
+    <PPointData>
+      <PDataArray type="Float64" Name="NodalForces" NumberOfComponents="2"/>
+      <PDataArray type="Float64" Name="displacement" NumberOfComponents="2"/>
+    </PPointData>
+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="disc_with_hole_pcs_0_ts_4_t_1_000000_0.vtu"/>
+    <Piece Source="disc_with_hole_pcs_0_ts_4_t_1_000000_1.vtu"/>
+    <Piece Source="disc_with_hole_pcs_0_ts_4_t_1_000000_2.vtu"/>
+    <Piece Source="disc_with_hole_pcs_0_ts_4_t_1_000000_3.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>
diff --git a/Tests/Data/MeshLib/Mesh3D.pvtu b/Tests/Data/MeshLib/Mesh3D.pvtu
index 211763f662e26b6af25ae18842c31e6761860c94..b2d30c2ab3bfa9d24f924db547eb979eabdeb213 100644
--- a/Tests/Data/MeshLib/Mesh3D.pvtu
+++ b/Tests/Data/MeshLib/Mesh3D.pvtu
@@ -1,3 +1,16 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:69a06c9fff1231220bda5f3ead340016af289c80cee0468bd7a3d002ed8edfe5
-size 561
+<?xml version="1.0"?>
+<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32" compressor="vtkZLibDataCompressor">
+  <PUnstructuredGrid GhostLevel="1">
+    <PPointData>
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+    <PCellData>
+      <PDataArray type="UInt8" Name="vtkGhostType"/>
+      <PDataArray type="Int8" Name="slice"/>
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+    <PPoints>
+      <PDataArray type="Float64" Name="Points" NumberOfComponents="3"/>
+    </PPoints>
+    <Piece Source="Mesh3D-A.vtu"/>
+    <Piece Source="Mesh3D-B.vtu"/>
+  </PUnstructuredGrid>
+</VTKFile>