diff --git a/benchmarks/cullen-sab/problem1/geometry.xml b/benchmarks/cullen-sab/problem1/geometry.xml
deleted file mode 100644
index c0a7e6c895..0000000000
--- a/benchmarks/cullen-sab/problem1/geometry.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0"?>
-<geometry>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 1 (1/2" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/28/2011
-      ====================================================
-  -->
-
-  <surface id="1" type="z-cylinder" coeffs="0. 0. 1.27" />
-  <surface id="2" type="x-plane" coeffs="-2.54" boundary="reflective" />
-  <surface id="3" type="x-plane" coeffs="2.54" boundary="reflective" />
-  <surface id="4" type="y-plane" coeffs="-2.54" boundary="reflective" />
-  <surface id="5" type="y-plane" coeffs="2.54" boundary="reflective" />
-
-  <cell id="1" material="1" surfaces="-1" />
-  <cell id="2" material="2" surfaces="1 2 -3 4 -5" />
-
-</geometry>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem1/materials.xml b/benchmarks/cullen-sab/problem1/materials.xml
deleted file mode 100644
index 08bad817d2..0000000000
--- a/benchmarks/cullen-sab/problem1/materials.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0"?>
-<materials>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 1 (1/2" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/28/2011
-      ====================================================
-  -->
-
-  <!-- Fuel composed of 99.02 a/o U-238 and 0.98 a/o U-235 -->
-  <material id="1">
-    <density value="18.8" units="g/cc" />
-    <nuclide name="U-238" xs="03c" ao="99.02" />
-    <nuclide name="U-235" xs="03c" ao="0.98" />
-  </material>
-
-  <!-- Water at 1 g/cc -->
-  <material id="2">
-    <density value="1.0" units="g/cc" />
-    <nuclide name="H-1"  xs="03c" ao="2.0" />
-    <nuclide name="O-16" xs="03c" ao="1.0" />
-    <!-- <sab name="lwe7" xs="00t" /> -->
-  </material>
-
-</materials>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem1/settings.xml b/benchmarks/cullen-sab/problem1/settings.xml
deleted file mode 100644
index c50c7b0116..0000000000
--- a/benchmarks/cullen-sab/problem1/settings.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0"?>
-<settings>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 1 (1/2" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/28/2011
-      ====================================================
-  -->
-
-  <cross_sections>
-      /home/paulromano/openmc/cross_sections_serpent.xml
-  </cross_sections>
-
-  <criticality>
-    <cycles>500</cycles>
-    <inactive>50</inactive>
-    <particles>10000</particles>
-  </criticality>
-
-  <verbosity value="7" />
-
-  <source>
-    <type>box</type>
-    <coeffs>-2 -2 -2  2  2  2</coeffs>
-  </source>
-
-</settings>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem1/tallies.xml b/benchmarks/cullen-sab/problem1/tallies.xml
deleted file mode 100644
index fee63e8a7f..0000000000
--- a/benchmarks/cullen-sab/problem1/tallies.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0"?>
-<tallies>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 1 (1/2" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/28/2011
-      ====================================================
-  -->
-
-  <tally id="1">
-    <filters>
-      <cell>1 2</cell>
-    </filters>
-
-    <macros>total scatter nu-scatter absorption fission nu-fission</macros>
-  </tally>
-
-</tallies>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem2/geometry.xml b/benchmarks/cullen-sab/problem2/geometry.xml
deleted file mode 100644
index fb4199662d..0000000000
--- a/benchmarks/cullen-sab/problem2/geometry.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0"?>
-<geometry>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 2 (1/4" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/30/2011
-      ====================================================
-  -->
-
-  <surface id="1" type="z-cylinder" coeffs="0. 0. 0.635" />
-  <surface id="2" type="x-plane" coeffs="-2.54" boundary="reflective" />
-  <surface id="3" type="x-plane" coeffs="2.54" boundary="reflective" />
-  <surface id="4" type="y-plane" coeffs="-2.54" boundary="reflective" />
-  <surface id="5" type="y-plane" coeffs="2.54" boundary="reflective" />
-
-  <cell id="1" material="1" surfaces="-1" />
-  <cell id="2" material="2" surfaces="1 2 -3 4 -5" />
-
-</geometry>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem2/materials.xml b/benchmarks/cullen-sab/problem2/materials.xml
deleted file mode 100644
index cd40f92211..0000000000
--- a/benchmarks/cullen-sab/problem2/materials.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0"?>
-<materials>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 2 (1/4" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/30/2011
-      ====================================================
-  -->
-
-  <!-- Fuel composed of 96.5 a/o U-238 and 3.5 a/o U-235 -->
-  <material id="1">
-    <density value="18.8" units="g/cc" />
-    <nuclide name="U-238" xs="03c" ao="96.5" />
-    <nuclide name="U-235" xs="03c" ao="3.5" />
-  </material>
-
-  <!-- Water at 1 g/cc -->
-  <material id="2">
-    <density value="1.0" units="g/cc" />
-    <nuclide name="H-1"  xs="03c" ao="2.0" />
-    <nuclide name="O-16" xs="03c" ao="1.0" />
-    <!-- <sab name="lwe7" xs="00t" /> -->
-  </material>
-
-</materials>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem2/settings.xml b/benchmarks/cullen-sab/problem2/settings.xml
deleted file mode 100644
index 0d998cf815..0000000000
--- a/benchmarks/cullen-sab/problem2/settings.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0"?>
-<settings>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 2 (1/4" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/30/2011
-      ====================================================
-  -->
-
-  <cross_sections>
-      /home/paulromano/openmc/cross_sections_serpent.xml
-  </cross_sections>
-
-  <criticality>
-    <cycles>500</cycles>
-    <inactive>50</inactive>
-    <particles>10000</particles>
-  </criticality>
-
-  <verbosity value="7" />
-
-  <source>
-    <type>box</type>
-    <coeffs>-2 -2 -2  2  2  2</coeffs>
-  </source>
-
-</settings>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem2/tallies.xml b/benchmarks/cullen-sab/problem2/tallies.xml
deleted file mode 100644
index 03b4e0570f..0000000000
--- a/benchmarks/cullen-sab/problem2/tallies.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0"?>
-<tallies>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 2 (1/4" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/30/2011
-      ====================================================
-  -->
-
-  <tally id="1">
-    <filters>
-      <cell>1 2</cell>
-    </filters>
-
-    <macros>total scatter nu-scatter absorption fission nu-fission</macros>
-  </tally>
-
-</tallies>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem3/geometry.xml b/benchmarks/cullen-sab/problem3/geometry.xml
deleted file mode 100644
index 5e00728be7..0000000000
--- a/benchmarks/cullen-sab/problem3/geometry.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0"?>
-<geometry>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 3 (1/8" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/30/2011
-      ====================================================
-  -->
-
-  <surface id="1" type="z-cylinder" coeffs="0. 0. 0.3175" />
-  <surface id="2" type="x-plane" coeffs="-2.54" boundary="reflective" />
-  <surface id="3" type="x-plane" coeffs="2.54" boundary="reflective" />
-  <surface id="4" type="y-plane" coeffs="-2.54" boundary="reflective" />
-  <surface id="5" type="y-plane" coeffs="2.54" boundary="reflective" />
-
-  <cell id="1" material="1" surfaces="-1" />
-  <cell id="2" material="2" surfaces="1 2 -3 4 -5" />
-
-</geometry>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem3/materials.xml b/benchmarks/cullen-sab/problem3/materials.xml
deleted file mode 100644
index e8dc246143..0000000000
--- a/benchmarks/cullen-sab/problem3/materials.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0"?>
-<materials>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 3 (1/8" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/30/2011
-      ====================================================
-  -->
-
-  <!-- Fuel composed of 30 a/o U-238 and 70 a/o U-235 -->
-  <material id="1">
-    <density value="18.8" units="g/cc" />
-    <nuclide name="U-238" xs="03c" ao="30.0" />
-    <nuclide name="U-235" xs="03c" ao="70.0" />
-  </material>
-
-  <!-- Water at 1 g/cc -->
-  <material id="2">
-    <density value="1.0" units="g/cc" />
-    <nuclide name="H-1"  xs="03c" ao="2.0" />
-    <nuclide name="O-16" xs="03c" ao="1.0" />
-    <!-- <sab name="lwe7" xs="00t" /> -->
-  </material>
-
-</materials>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem3/settings.xml b/benchmarks/cullen-sab/problem3/settings.xml
deleted file mode 100644
index b21f293962..0000000000
--- a/benchmarks/cullen-sab/problem3/settings.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0"?>
-<settings>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 3 (1/8" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/30/2011
-      ====================================================
-  -->
-
-  <cross_sections>
-      /home/paulromano/openmc/cross_sections_serpent.xml
-  </cross_sections>
-
-  <criticality>
-    <cycles>500</cycles>
-    <inactive>50</inactive>
-    <particles>10000</particles>
-  </criticality>
-
-  <verbosity value="7" />
-
-  <source>
-    <type>box</type>
-    <coeffs>-2 -2 -2  2  2  2</coeffs>
-  </source>
-
-</settings>
\ No newline at end of file
diff --git a/benchmarks/cullen-sab/problem3/tallies.xml b/benchmarks/cullen-sab/problem3/tallies.xml
deleted file mode 100644
index d8a352c0ac..0000000000
--- a/benchmarks/cullen-sab/problem3/tallies.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0"?>
-<tallies>
-
-  <!--
-      ====================================================
-      Description: Simple thermal system from INDC-USA-107
-      Case:        Problem 3 (1/8" pin, 2" lattice pitch)
-      Written By:  Paul Romano
-      Date:        10/30/2011
-      ====================================================
-  -->
-
-  <tally id="1">
-    <filters>
-      <cell>1 2</cell>
-    </filters>
-
-    <macros>total scatter nu-scatter absorption fission nu-fission</macros>
-  </tally>
-
-</tallies>
\ No newline at end of file
diff --git a/benchmarks/pu-met-fast-001/geometry.xml b/benchmarks/pu-met-fast-001/geometry.xml
deleted file mode 100644
index 827c9def73..0000000000
--- a/benchmarks/pu-met-fast-001/geometry.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0"?>
-<geometry>
-
-  <!--
-  ==========================================
-  Description: Bare Pu-239 Jezebel Benchmark
-  Case:        PU-MET-FAST-001
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ==========================================
-  -->
-
-  <cell id="1">
-    <universe>0</universe>
-    <material>1</material>
-    <surfaces>-1</surfaces>
-  </cell>
-
-  <surface id="1">
-    <type>sphere</type>
-    <coeffs>0. 0. 0. 6.3849</coeffs>
-    <boundary>vacuum</boundary>
-  </surface>
-
-</geometry>
diff --git a/benchmarks/pu-met-fast-001/materials.xml b/benchmarks/pu-met-fast-001/materials.xml
deleted file mode 100644
index 9d42168be5..0000000000
--- a/benchmarks/pu-met-fast-001/materials.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0"?>
-<materials>
-
-  <!--
-  ==========================================
-  Description: Bare Pu-239 Jezebel Benchmark
-  Case:        PU-MET-FAST-001
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ==========================================
-  -->
-
-  <material id="1">
-    <density value="0.04029014" units="atom/b-cm" />
-    <nuclide name="Pu-239" xs="03c" ao="0.037047" />
-    <nuclide name="Pu-240" xs="03c" ao="0.0017512" />
-    <nuclide name="Pu-241" xs="03c" ao="0.00011674" />
-    <nuclide name="Ga-nat" xs="03c" ao="0.0013752" />
-  </material>
-
-</materials>
diff --git a/benchmarks/pu-met-fast-001/settings.xml b/benchmarks/pu-met-fast-001/settings.xml
deleted file mode 100644
index eee43cff02..0000000000
--- a/benchmarks/pu-met-fast-001/settings.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0"?>
-<settings>
-
-  <!--
-  ==========================================
-  Description: Bare Pu-239 Jezebel Benchmark
-  Case:        PU-MET-FAST-001
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ==========================================
-  -->
- 
-  <cross_sections>
-      /home/paulromano/openmc/cross_sections_serpent.xml
-  </cross_sections>
-
-  <criticality>
-    <cycles>3000</cycles>
-    <inactive>20</inactive>
-    <particles>10000</particles>
-  </criticality>
-
-  <verbosity value="7" />
-
-  <source>
-    <type>box</type>
-    <coeffs>-1 -1 -1  1  1  1</coeffs>
-  </source>
-
-</settings>
diff --git a/benchmarks/pu-met-fast-001/tallies.xml b/benchmarks/pu-met-fast-001/tallies.xml
deleted file mode 100644
index 5f7f3264d3..0000000000
--- a/benchmarks/pu-met-fast-001/tallies.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0"?>
-<tallies>
-
-  <tally id="1">
-    <filters>
-      <cell>1</cell>
-    </filters>
-
-    <macros>total scatter absorption fission nu-fission</macros>
-
-  </tally>
-
-</tallies>
diff --git a/benchmarks/pu-met-fast-002/geometry.xml b/benchmarks/pu-met-fast-002/geometry.xml
deleted file mode 100644
index 0e5c1c849d..0000000000
--- a/benchmarks/pu-met-fast-002/geometry.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0"?>
-<geometry>
-
-  <!--
-  ==========================================
-  Description: Bare Pu-240 Jezebel Benchmark
-  Case:        PU-MET-FAST-002
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ==========================================
-  -->
-
-  <cell id="1">
-    <universe>0</universe>
-    <material>1</material>
-    <surfaces>-1</surfaces>
-  </cell>
-
-  <surface id="1">
-    <type>sphere</type>
-    <coeffs>0. 0. 0. 6.6595</coeffs>
-    <boundary>vacuum</boundary>
-  </surface>
-
-</geometry>
diff --git a/benchmarks/pu-met-fast-002/materials.xml b/benchmarks/pu-met-fast-002/materials.xml
deleted file mode 100644
index cc8b5b84ca..0000000000
--- a/benchmarks/pu-met-fast-002/materials.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0"?>
-<materials>
-
-  <!--
-  ==========================================
-  Description: Bare Pu-240 Jezebel Benchmark
-  Case:        PU-MET-FAST-002
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ==========================================
-  -->
-
-  <material id="1">
-    <density value="0.04055292" units="atom/b-cm" />
-    <nuclide name="Pu-239" xs="03c" ao="0.029934" />
-    <nuclide name="Pu-240" xs="03c" ao="0.0078754" />
-    <nuclide name="Pu-241" xs="03c" ao="0.0012146" />
-    <nuclide name="Pu-242" xs="03c" ao="0.00015672" />
-    <nuclide name="Ga-nat" xs="03c" ao="0.0013722" />
-  </material>
-
-</materials>
diff --git a/benchmarks/pu-met-fast-002/settings.xml b/benchmarks/pu-met-fast-002/settings.xml
deleted file mode 100644
index 9f4da2dd6d..0000000000
--- a/benchmarks/pu-met-fast-002/settings.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0"?>
-<settings>
-
-  <!--
-  ==========================================
-  Description: Bare Pu-240 Jezebel Benchmark
-  Case:        PU-MET-FAST-002
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ==========================================
-  -->
-
-  <cross_sections>
-      /home/paulromano/openmc/cross_sections_serpent.xml
-  </cross_sections>
-
-  <criticality>
-    <cycles>3000</cycles>
-    <inactive>20</inactive>
-    <particles>10000</particles>
-  </criticality>
-
-  <verbosity value="7" />
-
-  <source>
-    <type>box</type>
-    <coeffs>-1 -1 -1  1  1  1</coeffs>
-  </source>
-
-</settings>
diff --git a/benchmarks/pu-met-fast-005/geometry.xml b/benchmarks/pu-met-fast-005/geometry.xml
deleted file mode 100644
index 3e8724513a..0000000000
--- a/benchmarks/pu-met-fast-005/geometry.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0"?>
-<geometry>
-
-  <!--
-  ===============================================================
-  Description: Unmoderated Plutonium Metal Button Array Benchmark
-  Case:        PU-MET-FAST-005
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ===============================================================
-  -->
-
-  <cell id="1">
-    <universe>0</universe>
-    <material>1</material>
-    <surfaces>-1</surfaces>
-  </cell>
-  <cell id="2">
-    <universe>0</universe>
-    <material>2</material>
-    <surfaces>1 -2</surfaces>
-  </cell>
-
-  <surface id="1">
-    <type>sphere</type>
-    <coeffs>0. 0. 0. 5.0419</coeffs>
-  </surface>
-  <surface id="2">
-    <type>sphere</type>
-    <coeffs>0. 0. 0. 9.7409</coeffs>
-    <boundary>vacuum</boundary>
-  </surface>
-
-</geometry>
diff --git a/benchmarks/pu-met-fast-005/materials.xml b/benchmarks/pu-met-fast-005/materials.xml
deleted file mode 100644
index 480751d5fb..0000000000
--- a/benchmarks/pu-met-fast-005/materials.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0"?>
-<materials>
-
-  <!--
-  ===============================================================
-  Description: Unmoderated Plutonium Metal Button Array Benchmark
-  Case:        PU-MET-FAST-005
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ===============================================================
-  -->
-
-  <material id="1">
-    <density value="0.04070346" units="atom/b-cm" />
-    <nuclide name="Pu-239" xs="03c" ao="0.037291" />
-    <nuclide name="Pu-240" xs="03c" ao="0.0019277" />
-    <nuclide name="Pu-241" xs="03c" ao="0.00012196" />
-    <nuclide name="Ga-nat" xs="03c" ao="0.0013628" />
-  </material>
-  <material id="2">
-    <density value="0.06605308" units="atom/b-cm" />
-    <nuclide name="W-nat" xs="03c" ao="0.051468" />
-    <nuclide name="Ni-nat" xs="03c" ao="0.0097124" />
-    <nuclide name="Cu-nat" xs="03c" ao="0.0040774" />
-    <nuclide name="Zr-nat" xs="03c" ao="0.00079528" />
-  </material>
-
-</materials>
diff --git a/benchmarks/pu-met-fast-005/settings.xml b/benchmarks/pu-met-fast-005/settings.xml
deleted file mode 100644
index e5594b37e8..0000000000
--- a/benchmarks/pu-met-fast-005/settings.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0"?>
-<settings>
-
-  <!--
-  ===============================================================
-  Description: Unmoderated Plutonium Metal Button Array Benchmark
-  Case:        PU-MET-FAST-005
-  Written By:  Paul Romano
-  Date:        9/1/2011
-  ===============================================================
-  -->
-
-  <cross_sections>
-      /home/paulromano/openmc/cross_sections_serpent.xml
-  </cross_sections>
-
-  <criticality>
-    <cycles>3000</cycles>
-    <inactive>20</inactive>
-    <particles>10000</particles>
-  </criticality>
-
-  <verbosity value="7" />
-
-  <source>
-    <type>box</type>
-    <coeffs>-1 -1 -1  1  1  1</coeffs>
-  </source>
-
-</settings>