diff --git a/go/reg-test/cases/case-dsl-min-max-types.sh b/go/reg-test/cases/case-dsl-min-max-types.sh
deleted file mode 100644
index 4cbc6da64..000000000
--- a/go/reg-test/cases/case-dsl-min-max-types.sh
+++ /dev/null
@@ -1,99 +0,0 @@
-# NUMERICS < BOOL < VOID < STRING
-
-# TODO: cmp-matrices need to be fixed to follow the advertised rule for mixed types.
-
-run_mlr --ojson put '
-  $min["n"]["n"] = min($n,$n);
-  $min["n"]["b"] = min($n,$b);
-  $min["n"]["v"] = min($n,$v);
-  $min["n"]["s"] = min($n,$s);
-
-  $min["b"]["n"] = min($b,$n);
-  $min["b"]["b"] = min($b,$b);
-  $min["b"]["v"] = min($b,$v);
-  $min["b"]["s"] = min($b,$s);
-
-  $min["v"]["n"] = min($v,$n);
-  $min["v"]["b"] = min($v,$b);
-  $min["v"]["v"] = min($v,$v);
-  $min["v"]["s"] = min($v,$s);
-
-  $min["s"]["n"] = min($s,$n);
-  $min["s"]["b"] = min($s,$b);
-  $min["s"]["v"] = min($s,$v);
-  $min["s"]["s"] = min($s,$s);
-' <<EOF
-n=1,b=true,v=,s=abc
-EOF
-
-run_mlr --ojson put '
-  $max["n"]["n"] = max($n,$n);
-  $max["n"]["b"] = max($n,$b);
-  $max["n"]["v"] = max($n,$v);
-  $max["n"]["s"] = max($n,$s);
-
-  $max["b"]["n"] = max($b,$n);
-  $max["b"]["b"] = max($b,$b);
-  $max["b"]["v"] = max($b,$v);
-  $max["b"]["s"] = max($b,$s);
-
-  $max["v"]["n"] = max($v,$n);
-  $max["v"]["b"] = max($v,$b);
-  $max["v"]["v"] = max($v,$v);
-  $max["v"]["s"] = max($v,$s);
-
-  $max["s"]["n"] = max($s,$n);
-  $max["s"]["b"] = max($s,$b);
-  $max["s"]["v"] = max($s,$v);
-  $max["s"]["s"] = max($s,$s);
-' <<EOF
-n=1,b=true,v=,s=abc
-EOF
-
-run_mlr --ojson put '
-  $le["n"]["n"] = $n <= $n;
-  $le["n"]["b"] = $n <= $b;
-  $le["n"]["v"] = $n <= $v;
-  $le["n"]["s"] = $n <= $s;
-
-  $le["b"]["n"] = $b <= $n;
-  $le["b"]["b"] = $b <= $b;
-  $le["b"]["v"] = $b <= $v;
-  $le["b"]["s"] = $b <= $s;
-
-  $le["v"]["n"] = $v <= $n;
-  $le["v"]["b"] = $v <= $b;
-  $le["v"]["v"] = $v <= $v;
-  $le["v"]["s"] = $v <= $s;
-
-  $le["s"]["n"] = $s <= $n;
-  $le["s"]["b"] = $s <= $b;
-  $le["s"]["v"] = $s <= $v;
-  $le["s"]["s"] = $s <= $s;
-' <<EOF
-n=1,b=true,v=,s=abc
-EOF
-
-run_mlr --ojson put '
-  $ge["n"]["n"] = $n >= $n;
-  $ge["n"]["b"] = $n >= $b;
-  $ge["n"]["v"] = $n >= $v;
-  $ge["n"]["s"] = $n >= $s;
-
-  $ge["b"]["n"] = $b >= $n;
-  $ge["b"]["b"] = $b >= $b;
-  $ge["b"]["v"] = $b >= $v;
-  $ge["b"]["s"] = $b >= $s;
-
-  $ge["v"]["n"] = $v >= $n;
-  $ge["v"]["b"] = $v >= $b;
-  $ge["v"]["v"] = $v >= $v;
-  $ge["v"]["s"] = $v >= $s;
-
-  $ge["s"]["n"] = $s >= $n;
-  $ge["s"]["b"] = $s >= $b;
-  $ge["s"]["v"] = $s >= $v;
-  $ge["s"]["s"] = $s >= $s;
-' <<EOF
-n=1,b=true,v=,s=abc
-EOF
diff --git a/go/reg-test/expected/case-dsl-min-max-types.sh.err b/go/reg-test/expected/case-dsl-min-max-types.sh.err
deleted file mode 100644
index 8b1378917..000000000
--- a/go/reg-test/expected/case-dsl-min-max-types.sh.err
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/go/reg-test/expected/case-dsl-min-max-types.sh.out b/go/reg-test/expected/case-dsl-min-max-types.sh.out
deleted file mode 100644
index 99d1f95ed..000000000
--- a/go/reg-test/expected/case-dsl-min-max-types.sh.out
+++ /dev/null
@@ -1,217 +0,0 @@
-
-mlr --ojson put 
-  $min["n"]["n"] = min($n,$n);
-  $min["n"]["b"] = min($n,$b);
-  $min["n"]["v"] = min($n,$v);
-  $min["n"]["s"] = min($n,$s);
-
-  $min["b"]["n"] = min($b,$n);
-  $min["b"]["b"] = min($b,$b);
-  $min["b"]["v"] = min($b,$v);
-  $min["b"]["s"] = min($b,$s);
-
-  $min["v"]["n"] = min($v,$n);
-  $min["v"]["b"] = min($v,$b);
-  $min["v"]["v"] = min($v,$v);
-  $min["v"]["s"] = min($v,$s);
-
-  $min["s"]["n"] = min($s,$n);
-  $min["s"]["b"] = min($s,$b);
-  $min["s"]["v"] = min($s,$v);
-  $min["s"]["s"] = min($s,$s);
-
-{
-  "n": 1,
-  "b": true,
-  "v": "",
-  "s": "abc",
-  "min": {
-    "n": {
-      "n": 1,
-      "b": 1,
-      "v": 1,
-      "s": 1
-    },
-    "b": {
-      "n": 1,
-      "b": true,
-      "v": true,
-      "s": true
-    },
-    "v": {
-      "n": 1,
-      "b": true,
-      "v": "",
-      "s": ""
-    },
-    "s": {
-      "n": 1,
-      "b": true,
-      "v": "",
-      "s": "abc"
-    }
-  }
-}
-
-mlr --ojson put 
-  $max["n"]["n"] = max($n,$n);
-  $max["n"]["b"] = max($n,$b);
-  $max["n"]["v"] = max($n,$v);
-  $max["n"]["s"] = max($n,$s);
-
-  $max["b"]["n"] = max($b,$n);
-  $max["b"]["b"] = max($b,$b);
-  $max["b"]["v"] = max($b,$v);
-  $max["b"]["s"] = max($b,$s);
-
-  $max["v"]["n"] = max($v,$n);
-  $max["v"]["b"] = max($v,$b);
-  $max["v"]["v"] = max($v,$v);
-  $max["v"]["s"] = max($v,$s);
-
-  $max["s"]["n"] = max($s,$n);
-  $max["s"]["b"] = max($s,$b);
-  $max["s"]["v"] = max($s,$v);
-  $max["s"]["s"] = max($s,$s);
-
-{
-  "n": 1,
-  "b": true,
-  "v": "",
-  "s": "abc",
-  "max": {
-    "n": {
-      "n": 1,
-      "b": true,
-      "v": "",
-      "s": "abc"
-    },
-    "b": {
-      "n": true,
-      "b": true,
-      "v": "",
-      "s": "abc"
-    },
-    "v": {
-      "n": "",
-      "b": "",
-      "v": "",
-      "s": "abc"
-    },
-    "s": {
-      "n": "abc",
-      "b": "abc",
-      "v": "abc",
-      "s": "abc"
-    }
-  }
-}
-
-mlr --ojson put 
-  $le["n"]["n"] = $n <= $n;
-  $le["n"]["b"] = $n <= $b;
-  $le["n"]["v"] = $n <= $v;
-  $le["n"]["s"] = $n <= $s;
-
-  $le["b"]["n"] = $b <= $n;
-  $le["b"]["b"] = $b <= $b;
-  $le["b"]["v"] = $b <= $v;
-  $le["b"]["s"] = $b <= $s;
-
-  $le["v"]["n"] = $v <= $n;
-  $le["v"]["b"] = $v <= $b;
-  $le["v"]["v"] = $v <= $v;
-  $le["v"]["s"] = $v <= $s;
-
-  $le["s"]["n"] = $s <= $n;
-  $le["s"]["b"] = $s <= $b;
-  $le["s"]["v"] = $s <= $v;
-  $le["s"]["s"] = $s <= $s;
-
-{
-  "n": 1,
-  "b": true,
-  "v": "",
-  "s": "abc",
-  "le": {
-    "n": {
-      "n": true,
-      "b": false,
-      "v": false,
-      "s": true
-    },
-    "b": {
-      "n": false,
-      "b": true,
-      "v": false,
-      "s": false
-    },
-    "v": {
-      "n": true,
-      "b": false,
-      "v": true,
-      "s": true
-    },
-    "s": {
-      "n": false,
-      "b": false,
-      "v": false,
-      "s": true
-    }
-  }
-}
-
-mlr --ojson put 
-  $ge["n"]["n"] = $n >= $n;
-  $ge["n"]["b"] = $n >= $b;
-  $ge["n"]["v"] = $n >= $v;
-  $ge["n"]["s"] = $n >= $s;
-
-  $ge["b"]["n"] = $b >= $n;
-  $ge["b"]["b"] = $b >= $b;
-  $ge["b"]["v"] = $b >= $v;
-  $ge["b"]["s"] = $b >= $s;
-
-  $ge["v"]["n"] = $v >= $n;
-  $ge["v"]["b"] = $v >= $b;
-  $ge["v"]["v"] = $v >= $v;
-  $ge["v"]["s"] = $v >= $s;
-
-  $ge["s"]["n"] = $s >= $n;
-  $ge["s"]["b"] = $s >= $b;
-  $ge["s"]["v"] = $s >= $v;
-  $ge["s"]["s"] = $s >= $s;
-
-{
-  "n": 1,
-  "b": true,
-  "v": "",
-  "s": "abc",
-  "ge": {
-    "n": {
-      "n": true,
-      "b": false,
-      "v": true,
-      "s": false
-    },
-    "b": {
-      "n": false,
-      "b": true,
-      "v": false,
-      "s": false
-    },
-    "v": {
-      "n": false,
-      "b": false,
-      "v": true,
-      "s": false
-    },
-    "s": {
-      "n": true,
-      "b": false,
-      "v": true,
-      "s": true
-    }
-  }
-}
-