diff --git a/jscomp/test/dist/jscomp/test/ast_mapper_unused_warning_test.js b/jscomp/test/dist/jscomp/test/ast_mapper_unused_warning_test.js
deleted file mode 100644
index 9bb81dacbc..0000000000
--- a/jscomp/test/dist/jscomp/test/ast_mapper_unused_warning_test.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// Generated by Melange
-/* This output is empty. Its source's type definitions, externals and/or unused code got optimized away. */
diff --git a/jscomp/test/dist/jscomp/test/async_ideas.js b/jscomp/test/dist/jscomp/test/async_ideas.js
deleted file mode 100644
index 9bb81dacbc..0000000000
--- a/jscomp/test/dist/jscomp/test/async_ideas.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// Generated by Melange
-/* This output is empty. Its source's type definitions, externals and/or unused code got optimized away. */
diff --git a/jscomp/test/dist/jscomp/test/condition_compilation_test.js b/jscomp/test/dist/jscomp/test/condition_compilation_test.js
deleted file mode 100644
index 9d54c0e0d5..0000000000
--- a/jscomp/test/dist/jscomp/test/condition_compilation_test.js
+++ /dev/null
@@ -1,68 +0,0 @@
-// Generated by Melange
-'use strict';
-
-var Mt = require("./mt.js");
-
-var v = {
-  contents: 1
-};
-
-v.contents = v.contents + 1 | 0;
-
-var a = v.contents;
-
-var suites = {
-  contents: /* [] */0
-};
-
-var test_id = {
-  contents: 0
-};
-
-function eq(loc, x, y) {
-  test_id.contents = test_id.contents + 1 | 0;
-  suites.contents = {
-    hd: [
-      loc + (" id " + String(test_id.contents)),
-      (function (param) {
-          return {
-                  TAG: /* Eq */0,
-                  _0: x,
-                  _1: y
-                };
-        })
-    ],
-    tl: suites.contents
-  };
-}
-
-eq("File \"condition_compilation_test.ml\", line 98, characters 5-12", 3, 3);
-
-eq("File \"condition_compilation_test.ml\", line 99, characters 5-12", v.contents, 2);
-
-Mt.from_pair_suites("Condition_compilation_test", suites.contents);
-
-var b = "u";
-
-var buffer_size = 1;
-
-var vv = 3;
-
-var version_gt_3 = true;
-
-var version = -1;
-
-var ocaml_veriosn = "unknown";
-
-exports.b = b;
-exports.buffer_size = buffer_size;
-exports.vv = vv;
-exports.v = v;
-exports.a = a;
-exports.version_gt_3 = version_gt_3;
-exports.version = version;
-exports.ocaml_veriosn = ocaml_veriosn;
-exports.suites = suites;
-exports.test_id = test_id;
-exports.eq = eq;
-/*  Not a pure module */
diff --git a/jscomp/test/dist/jscomp/test/derive_dyntype.js b/jscomp/test/dist/jscomp/test/derive_dyntype.js
deleted file mode 100644
index 9bb81dacbc..0000000000
--- a/jscomp/test/dist/jscomp/test/derive_dyntype.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// Generated by Melange
-/* This output is empty. Its source's type definitions, externals and/or unused code got optimized away. */
diff --git a/jscomp/test/dist/jscomp/test/derive_type_test.js b/jscomp/test/dist/jscomp/test/derive_type_test.js
deleted file mode 100644
index 9bb81dacbc..0000000000
--- a/jscomp/test/dist/jscomp/test/derive_type_test.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// Generated by Melange
-/* This output is empty. Its source's type definitions, externals and/or unused code got optimized away. */
diff --git a/jscomp/test/dist/jscomp/test/poly_variant_test.js b/jscomp/test/dist/jscomp/test/poly_variant_test.js
deleted file mode 100644
index bf662cb380..0000000000
--- a/jscomp/test/dist/jscomp/test/poly_variant_test.js
+++ /dev/null
@@ -1,104 +0,0 @@
-// Generated by Melange
-'use strict';
-
-var Mt = require("./mt.js");
-
-var suites = {
-  contents: /* [] */0
-};
-
-var test_id = {
-  contents: 0
-};
-
-function eq(loc, x, y) {
-  test_id.contents = test_id.contents + 1 | 0;
-  suites.contents = {
-    hd: [
-      loc + (" id " + String(test_id.contents)),
-      (function (param) {
-          return {
-                  TAG: /* Eq */0,
-                  _0: x,
-                  _1: y
-                };
-        })
-    ],
-    tl: suites.contents
-  };
-}
-
-function hey_string (option){
-  switch(option){
-  case "on_closed" : 
-  case "on_open" : 
-  case "in" : return option
-  default : throw Error ("impossible")
- }
-}
-function hey_int (option){
-  switch (option){
-   case 0 : 
-   case 3 : 
-   case 4 : 
-   case 5:
-   case 6 : return option
-   default : throw Error("impossible")
-  }
- }
-;
-
-var uu = [
-  hey_string("on_open"),
-  hey_string("on_closed"),
-  hey_string("in")
-];
-
-var vv = [
-  hey_int(3),
-  hey_int(0),
-  hey_int(4)
-];
-
-eq("File \"poly_variant_test.ml\", line 58, characters 5-12", vv, [
-      3,
-      0,
-      4
-    ]);
-
-eq("File \"poly_variant_test.ml\", line 59, characters 5-12", [
-      hey_int(5),
-      hey_int(6)
-    ], [
-      5,
-      6
-    ]);
-
-eq("File \"poly_variant_test.ml\", line 60, characters 5-12", uu, [
-      "on_open",
-      "on_closed",
-      "in"
-    ]);
-
-hey_string("on_closed");
-
-hey_string("in");
-
-function p_is_int_test(x) {
-  if (typeof x === "string") {
-    return 2;
-  } else {
-    return 3;
-  }
-}
-
-eq("File \"poly_variant_test.ml\", line 142, characters 5-12", 2, 2);
-
-eq("File \"poly_variant_test.ml\", line 143, characters 5-12", 3, p_is_int_test({
-          NAME: "b",
-          VAL: 2
-        }));
-
-Mt.from_pair_suites("Poly_variant_test", suites.contents);
-
-/*  Not a pure module */
diff --git a/jscomp/test/dist/jscomp/test/simple_derive_test.js b/jscomp/test/dist/jscomp/test/simple_derive_test.js
deleted file mode 100644
index 9bb81dacbc..0000000000
--- a/jscomp/test/dist/jscomp/test/simple_derive_test.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// Generated by Melange
-/* This output is empty. Its source's type definitions, externals and/or unused code got optimized away. */
diff --git a/jscomp/test/dist/jscomp/test/simple_derive_use.js b/jscomp/test/dist/jscomp/test/simple_derive_use.js
deleted file mode 100644
index 9bb81dacbc..0000000000
--- a/jscomp/test/dist/jscomp/test/simple_derive_use.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// Generated by Melange
-/* This output is empty. Its source's type definitions, externals and/or unused code got optimized away. */
diff --git a/jscomp/test/dist/jscomp/test/swap_test.js b/jscomp/test/dist/jscomp/test/swap_test.js
deleted file mode 100644
index 9bb81dacbc..0000000000
--- a/jscomp/test/dist/jscomp/test/swap_test.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// Generated by Melange
-/* This output is empty. Its source's type definitions, externals and/or unused code got optimized away. */
diff --git a/jscomp/test/dist/jscomp/test/undefine_conditional.js b/jscomp/test/dist/jscomp/test/undefine_conditional.js
deleted file mode 100644
index ff9eefc476..0000000000
--- a/jscomp/test/dist/jscomp/test/undefine_conditional.js
+++ /dev/null
@@ -1,14 +0,0 @@
-// Generated by Melange
-'use strict';
-
-
-var x = 3;
-
-var y = 6;
-
-var has_ocaml_version = true;
-
-exports.x = x;
-exports.y = y;
-exports.has_ocaml_version = has_ocaml_version;
-/* No side effect */