diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 2401b0543af..fbdcc358cb1 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -2364,18 +2364,6 @@
             "url": "/_mozilla/css/incremental_trailing_whitespace_a.html"
           }
         ],
-        "css/incremental_trailing_whitespace_ref.html": [
-          {
-            "path": "css/incremental_trailing_whitespace_ref.html",
-            "references": [
-              [
-                "/_mozilla/css/incremental_trailing_whitespace_ref.html",
-                "=="
-              ]
-            ],
-            "url": "/_mozilla/css/incremental_trailing_whitespace_ref.html"
-          }
-        ],
         "css/incremental_visibility_a.html": [
           {
             "path": "css/incremental_visibility_a.html",
@@ -2388,18 +2376,6 @@
             "url": "/_mozilla/css/incremental_visibility_a.html"
           }
         ],
-        "css/incremental_visibility_ref.html": [
-          {
-            "path": "css/incremental_visibility_ref.html",
-            "references": [
-              [
-                "/_mozilla/css/incremental_visibility_ref.html",
-                "=="
-              ]
-            ],
-            "url": "/_mozilla/css/incremental_visibility_ref.html"
-          }
-        ],
         "css/inline_absolute_hypothetical_clip_a.html": [
           {
             "path": "css/inline_absolute_hypothetical_clip_a.html",
@@ -2940,18 +2916,6 @@
             "url": "/_mozilla/css/input_placeholder.html"
           }
         ],
-        "css/input_placeholder_ref.html": [
-          {
-            "path": "css/input_placeholder_ref.html",
-            "references": [
-              [
-                "/_mozilla/css/input_placeholder_ref.html",
-                "=="
-              ]
-            ],
-            "url": "/_mozilla/css/input_placeholder_ref.html"
-          }
-        ],
         "css/input_selection_a.html": [
           {
             "path": "css/input_selection_a.html",
@@ -2976,18 +2940,6 @@
             "url": "/_mozilla/css/input_selection_incremental_a.html"
           }
         ],
-        "css/input_selection_ref.html": [
-          {
-            "path": "css/input_selection_ref.html",
-            "references": [
-              [
-                "/_mozilla/css/input_selection_ref.html",
-                "=="
-              ]
-            ],
-            "url": "/_mozilla/css/input_selection_ref.html"
-          }
-        ],
         "css/input_whitespace.html": [
           {
             "path": "css/input_whitespace.html",
@@ -3000,18 +2952,6 @@
             "url": "/_mozilla/css/input_whitespace.html"
           }
         ],
-        "css/input_whitespace_ref.html": [
-          {
-            "path": "css/input_whitespace_ref.html",
-            "references": [
-              [
-                "/_mozilla/css/input_whitespace_ref.html",
-                "=="
-              ]
-            ],
-            "url": "/_mozilla/css/input_whitespace_ref.html"
-          }
-        ],
         "css/inset.html": [
           {
             "path": "css/inset.html",
@@ -3552,18 +3492,6 @@
             "url": "/_mozilla/css/max_inline_block_size_image.html"
           }
         ],
-        "css/max_inline_block_size_ref.html": [
-          {
-            "path": "css/max_inline_block_size_ref.html",
-            "references": [
-              [
-                "/_mozilla/css/max_inline_block_size_ref.html",
-                "=="
-              ]
-            ],
-            "url": "/_mozilla/css/max_inline_block_size_ref.html"
-          }
-        ],
         "css/max_width_float_simple_a.html": [
           {
             "path": "css/max_width_float_simple_a.html",
@@ -3660,18 +3588,6 @@
             "url": "/_mozilla/css/multiple_backgrounds.html"
           }
         ],
-        "css/multiple_backgrounds_ref.html": [
-          {
-            "path": "css/multiple_backgrounds_ref.html",
-            "references": [
-              [
-                "/_mozilla/css/multiple_backgrounds_ref.html",
-                "=="
-              ]
-            ],
-            "url": "/_mozilla/css/multiple_backgrounds_ref.html"
-          }
-        ],
         "css/multiple_css_class_a.html": [
           {
             "path": "css/multiple_css_class_a.html",
@@ -6370,18 +6286,6 @@
             "url": "/_mozilla/mozilla/webgl/tex_image_2d_canvas2d.html"
           }
         ],
-        "mozilla/webgl/tex_image_2d_canvas_no_context.html": [
-          {
-            "path": "mozilla/webgl/tex_image_2d_canvas_no_context.html",
-            "references": [
-              [
-                "/_mozilla/mozilla/webgl/tex_image_2d_canvas_no_context.html",
-                "=="
-              ]
-            ],
-            "url": "/_mozilla/mozilla/webgl/tex_image_2d_canvas_no_context.html"
-          }
-        ],
         "mozilla/webgl/tex_image_2d_mipmap.html": [
           {
             "path": "mozilla/webgl/tex_image_2d_mipmap.html",
@@ -16090,18 +15994,6 @@
           "url": "/_mozilla/css/incremental_trailing_whitespace_a.html"
         }
       ],
-      "css/incremental_trailing_whitespace_ref.html": [
-        {
-          "path": "css/incremental_trailing_whitespace_ref.html",
-          "references": [
-            [
-              "/_mozilla/css/incremental_trailing_whitespace_ref.html",
-              "=="
-            ]
-          ],
-          "url": "/_mozilla/css/incremental_trailing_whitespace_ref.html"
-        }
-      ],
       "css/incremental_visibility_a.html": [
         {
           "path": "css/incremental_visibility_a.html",
@@ -16114,18 +16006,6 @@
           "url": "/_mozilla/css/incremental_visibility_a.html"
         }
       ],
-      "css/incremental_visibility_ref.html": [
-        {
-          "path": "css/incremental_visibility_ref.html",
-          "references": [
-            [
-              "/_mozilla/css/incremental_visibility_ref.html",
-              "=="
-            ]
-          ],
-          "url": "/_mozilla/css/incremental_visibility_ref.html"
-        }
-      ],
       "css/inline_absolute_hypothetical_clip_a.html": [
         {
           "path": "css/inline_absolute_hypothetical_clip_a.html",
@@ -16666,18 +16546,6 @@
           "url": "/_mozilla/css/input_placeholder.html"
         }
       ],
-      "css/input_placeholder_ref.html": [
-        {
-          "path": "css/input_placeholder_ref.html",
-          "references": [
-            [
-              "/_mozilla/css/input_placeholder_ref.html",
-              "=="
-            ]
-          ],
-          "url": "/_mozilla/css/input_placeholder_ref.html"
-        }
-      ],
       "css/input_selection_a.html": [
         {
           "path": "css/input_selection_a.html",
@@ -16702,18 +16570,6 @@
           "url": "/_mozilla/css/input_selection_incremental_a.html"
         }
       ],
-      "css/input_selection_ref.html": [
-        {
-          "path": "css/input_selection_ref.html",
-          "references": [
-            [
-              "/_mozilla/css/input_selection_ref.html",
-              "=="
-            ]
-          ],
-          "url": "/_mozilla/css/input_selection_ref.html"
-        }
-      ],
       "css/input_whitespace.html": [
         {
           "path": "css/input_whitespace.html",
@@ -16726,18 +16582,6 @@
           "url": "/_mozilla/css/input_whitespace.html"
         }
       ],
-      "css/input_whitespace_ref.html": [
-        {
-          "path": "css/input_whitespace_ref.html",
-          "references": [
-            [
-              "/_mozilla/css/input_whitespace_ref.html",
-              "=="
-            ]
-          ],
-          "url": "/_mozilla/css/input_whitespace_ref.html"
-        }
-      ],
       "css/inset.html": [
         {
           "path": "css/inset.html",
@@ -17278,18 +17122,6 @@
           "url": "/_mozilla/css/max_inline_block_size_image.html"
         }
       ],
-      "css/max_inline_block_size_ref.html": [
-        {
-          "path": "css/max_inline_block_size_ref.html",
-          "references": [
-            [
-              "/_mozilla/css/max_inline_block_size_ref.html",
-              "=="
-            ]
-          ],
-          "url": "/_mozilla/css/max_inline_block_size_ref.html"
-        }
-      ],
       "css/max_width_float_simple_a.html": [
         {
           "path": "css/max_width_float_simple_a.html",
@@ -17386,18 +17218,6 @@
           "url": "/_mozilla/css/multiple_backgrounds.html"
         }
       ],
-      "css/multiple_backgrounds_ref.html": [
-        {
-          "path": "css/multiple_backgrounds_ref.html",
-          "references": [
-            [
-              "/_mozilla/css/multiple_backgrounds_ref.html",
-              "=="
-            ]
-          ],
-          "url": "/_mozilla/css/multiple_backgrounds_ref.html"
-        }
-      ],
       "css/multiple_css_class_a.html": [
         {
           "path": "css/multiple_css_class_a.html",
@@ -20096,18 +19916,6 @@
           "url": "/_mozilla/mozilla/webgl/tex_image_2d_canvas2d.html"
         }
       ],
-      "mozilla/webgl/tex_image_2d_canvas_no_context.html": [
-        {
-          "path": "mozilla/webgl/tex_image_2d_canvas_no_context.html",
-          "references": [
-            [
-              "/_mozilla/mozilla/webgl/tex_image_2d_canvas_no_context.html",
-              "=="
-            ]
-          ],
-          "url": "/_mozilla/mozilla/webgl/tex_image_2d_canvas_no_context.html"
-        }
-      ],
       "mozilla/webgl/tex_image_2d_mipmap.html": [
         {
           "path": "mozilla/webgl/tex_image_2d_mipmap.html",
diff --git a/tests/wpt/mozilla/tests/css/incremental_trailing_whitespace_ref.html b/tests/wpt/mozilla/tests/css/incremental_trailing_whitespace_ref.html
index 8eaec14a2fd..bfb2ac99ff9 100644
--- a/tests/wpt/mozilla/tests/css/incremental_trailing_whitespace_ref.html
+++ b/tests/wpt/mozilla/tests/css/incremental_trailing_whitespace_ref.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <title>incremental trailing whitespace reference</title>
-    <link rel="match" href="incremental_trailing_whitespace_ref.html">
     <style>
       #a {
         border: 0 solid;
diff --git a/tests/wpt/mozilla/tests/css/incremental_visibility_ref.html b/tests/wpt/mozilla/tests/css/incremental_visibility_ref.html
index a90c2b184e3..e07d1d6d064 100644
--- a/tests/wpt/mozilla/tests/css/incremental_visibility_ref.html
+++ b/tests/wpt/mozilla/tests/css/incremental_visibility_ref.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="UTF-8">
     <title>Incremental visibility reference</title>
-    <link rel="match" href="incremental_visibility_ref.html">
     <style>
       div {
         background: green;
diff --git a/tests/wpt/mozilla/tests/css/input_placeholder_ref.html b/tests/wpt/mozilla/tests/css/input_placeholder_ref.html
index b82bc1cc702..1caffed07f2 100644
--- a/tests/wpt/mozilla/tests/css/input_placeholder_ref.html
+++ b/tests/wpt/mozilla/tests/css/input_placeholder_ref.html
@@ -1,5 +1,4 @@
 <!doctype html>
 <meta charset="utf-8">
 <title></title>
-<link rel="match" href="input_placeholder_ref.html">
 <input type=text value="foo bar"><input type=text value="foo bar">
diff --git a/tests/wpt/mozilla/tests/css/input_selection_ref.html b/tests/wpt/mozilla/tests/css/input_selection_ref.html
index 2f6dcd296f2..62b79642af6 100644
--- a/tests/wpt/mozilla/tests/css/input_selection_ref.html
+++ b/tests/wpt/mozilla/tests/css/input_selection_ref.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <title>input selection test</title>
-    <link rel="match" href="input_selection_ref.html">
     <style>
       span {
         font: 16px sans-serif;
diff --git a/tests/wpt/mozilla/tests/css/input_whitespace_ref.html b/tests/wpt/mozilla/tests/css/input_whitespace_ref.html
index 2599f727870..b7bc7c503ce 100644
--- a/tests/wpt/mozilla/tests/css/input_whitespace_ref.html
+++ b/tests/wpt/mozilla/tests/css/input_whitespace_ref.html
@@ -3,7 +3,6 @@
 <head>
 <meta charset="utf-8">
 <title></title>
-<link rel="match" href="input_whitespace_ref.html">
 </head>
 <body>
 <div><input type="text" size="30" value="placeholder"></div>
diff --git a/tests/wpt/mozilla/tests/css/max_inline_block_size_ref.html b/tests/wpt/mozilla/tests/css/max_inline_block_size_ref.html
index 7fa1370faf7..b5fce02a270 100644
--- a/tests/wpt/mozilla/tests/css/max_inline_block_size_ref.html
+++ b/tests/wpt/mozilla/tests/css/max_inline_block_size_ref.html
@@ -1,7 +1,6 @@
 <!doctype html>
 <meta charset="utf-8">
 <title>Max inline-block size inside another inline-block element</title>
-<link rel="match" href="max_inline_block_size_ref.html">
 <style>
 html, body { margin: 0; padding: 0; }
 
diff --git a/tests/wpt/mozilla/tests/css/multiple_backgrounds_ref.html b/tests/wpt/mozilla/tests/css/multiple_backgrounds_ref.html
index d3af6fe5881..7ff13a4ce18 100644
--- a/tests/wpt/mozilla/tests/css/multiple_backgrounds_ref.html
+++ b/tests/wpt/mozilla/tests/css/multiple_backgrounds_ref.html
@@ -3,7 +3,6 @@
 <head>
     <meta charset="utf-8">
     <title></title>
-    <link rel="match" href="multiple_backgrounds_ref.html">
     <style type="text/css">
         /* Example from
            https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Background_and_Borders/Using_CSS_multiple_backgrounds
diff --git a/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_canvas_no_context.html b/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_canvas_no_context.html
index 390425e3a09..157773ff10d 100644
--- a/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_canvas_no_context.html
+++ b/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_canvas_no_context.html
@@ -1,6 +1,5 @@
 <!doctype html>
 <html>
-  <link rel="match" href="tex_image_2d_canvas_no_context.html"></link>
   <meta charset="utf-8">
   <title>WebGL texture test</title>
   <!--