diff --git a/configs/heavy_tests.json b/configs/heavy_tests.json
index a45be52..327e786 100644
--- a/configs/heavy_tests.json
+++ b/configs/heavy_tests.json
@@ -60,5 +60,17 @@
     "procCCompile":0,
     "optlevel":"-O0 -march=native",
     "extraCustomCommands":["setCommandLineOptions(\"--newBackend -d=mergeComponents --generateDynamicJacobian=symbolic --maxSizeNonlinearTearing=400\")"]
+  },
+  {
+    "library":"LargeTestSuite",
+    "libraryVersion":"master",
+    "libraryVersionNameForTests":"NB_simvec",
+    "ulimitOmc":400,
+    "ulimitExe":400,
+    "ulimitMemory":62914560,
+    "procOMC":0,
+    "procCCompile":0,
+    "optlevel":"-O0 -march=native",
+    "extraCustomCommands":["setCommandLineOptions(\"--newBackend -d=arrayConnect --simCodeScalarize=false\")"]
   }
 ]
diff --git a/configs/heavy_tests.json.bak b/configs/heavy_tests.json.bak
deleted file mode 100644
index 3d9093f..0000000
--- a/configs/heavy_tests.json.bak
+++ /dev/null
@@ -1,102 +0,0 @@
-[
-  {
-    "library":"ScalableTestSuite",
-    "libraryVersion":"master",
-    "libraryVersionNameForTests":"OB",
-    "ulimitOmc":400,
-    "ulimitExe":300,
-    "ulimitMemory":62914560,
-    "procOMC":0,
-    "procCCompile":0,
-    "optlevel":"-O0 -march=native",
-    "referenceFileExtension":"mat",
-    "referenceFileNameDelimiter":".",
-    "referenceFinalDot":"_res.",
-    "referenceFiles":{
-      "giturl":"https://github.com/casella/ScalableTestSuite-ref",
-      "destination":"ReferenceFiles/ScalableTestSuite"
-    }
-  },
-  {
-    "library":"ScalableTestSuite",
-    "libraryVersion":"master",
-    "libraryVersionNameForTests":"NB",
-    "ulimitOmc":400,
-    "ulimitExe":300,
-    "ulimitMemory":62914560,
-    "procOMC":0,
-    "procCCompile":0,
-    "optlevel":"-O0 -march=native",
-    "referenceFileExtension":"mat",
-    "referenceFileNameDelimiter":".",
-    "referenceFinalDot":"_res.",
-    "referenceFiles":{
-      "giturl":"https://github.com/casella/ScalableTestSuite-ref",
-      "destination":"ReferenceFiles/ScalableTestSuite"
-    },
-    "extraCustomCommands":["setCommandLineOptions(\"--newBackend -d=arrayConnect\")"]
-  },
-  {
-    "library":"LargeTestSuite",
-    "libraryVersion":"master",
-    "libraryVersionNameForTests":"NB",
-    "ulimitOmc":400,
-    "ulimitExe":400,
-    "ulimitMemory":62914560,
-    "procOMC":0,
-    "procCCompile":0,
-    "optlevel":"-O0 -march=native",
-    "extraCustomCommands":["setCommandLineOptions(\"--newBackend -d=arrayConnect\")"]
-  },
-  {
-    "library":"ScalableTestGrids",
-    "libraryVersion":"master",
-    "libraryVersionNameForTests":"NB_NumericalJacobian",
-    "ignoreModelPrefix":"ScalableTestGrids.Models.Type1Large",
-    "ulimitOmc":800,
-    "ulimitExe":300,
-    "ulimitMemory":62000000,
-    "procOMC":0,
-    "procCCompile":0,
-    "optlevel":"-O0 -march=native",
-    "extraCustomCommands":["setCommandLineOptions(\"--newBackend -d=mergeComponents\")"]
-  },
-  {
-    "library":"ScalableTestGrids",
-    "libraryVersion":"master",
-    "libraryVersionNameForTests":"NB_SymbolicJacobian",
-    "ignoreModelPrefix":"ScalableTestGrids.Models.Type1Large",
-    "ulimitOmc":800,
-    "ulimitExe":300,
-    "ulimitMemory":62000000,
-    "procOMC":0,
-    "procCCompile":0,
-    "optlevel":"-O0 -march=native",
-    "extraCustomCommands":["setCommandLineOptions(\"--newBackend -d=mergeComponents --generateDynamicJacobian=symbolic\")"]
-  },
-  {
-    "library":"ScalableTestGrids",
-    "libraryVersion":"master",
-    "libraryVersionNameForTests":"OB_NumericalJacobian",
-    "ignoreModelPrefix":"ScalableTestGrids.Models.Type1Large",
-    "ulimitOmc":800,
-    "ulimitExe":300,
-    "ulimitMemory":62000000,
-    "procOMC":0,
-    "procCCompile":0,
-    "optlevel":"-O0 -march=native"]
-  },
-  {
-    "library":"ScalableTestGrids",
-    "libraryVersion":"master",
-    "libraryVersionNameForTests":"OB_SymbolicJacobian",
-    "ignoreModelPrefix":"ScalableTestGrids.Models.Type1Large",
-    "ulimitOmc":800,
-    "ulimitExe":300,
-    "ulimitMemory":62000000,
-    "procOMC":0,
-    "procCCompile":0,
-    "optlevel":"-O0 -march=native",
-    "extraCustomCommands":["setCommandLineOptions(\"--generateDynamicJacobian=symbolic\")"]
-  }
-]