diff --git a/tests/wpt/metadata/css/css-conditional/at-supports-040.html.ini b/tests/wpt/metadata/css/css-conditional/at-supports-040.html.ini
deleted file mode 100644
index 6869e67b552..00000000000
--- a/tests/wpt/metadata/css/css-conditional/at-supports-040.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[at-supports-040.html]
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/cssom/CSS.html.ini b/tests/wpt/metadata/css/cssom/CSS.html.ini
deleted file mode 100644
index 279da1f4d89..00000000000
--- a/tests/wpt/metadata/css/cssom/CSS.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[CSS.html]
-  [CSS.supports, selector function]
-    expected: FAIL
-
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 48be8bbb3bb..824d9a03ef9 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -26166,7 +26166,7 @@
    "reftest"
   ],
   "css/transform_skew_ref.html": [
-   "caf92ca6f50d1cfe27f9202ebf79d76dead03ba0",
+   "b6ef9bb8fe9c129b02f5f3213865673a42638190",
    "support"
   ],
   "css/transform_stacking_context_a.html": [
diff --git a/tests/wpt/mozilla/tests/css/transform_skew_ref.html b/tests/wpt/mozilla/tests/css/transform_skew_ref.html
index caf92ca6f50..b6ef9bb8fe9 100644
--- a/tests/wpt/mozilla/tests/css/transform_skew_ref.html
+++ b/tests/wpt/mozilla/tests/css/transform_skew_ref.html
@@ -17,15 +17,15 @@ div>div {
 }
 
 .transformed1_ref {
-    transform: matrix(1, 0, 0.25534192122, 1, 0, 0);
+    transform: matrix(1, 0, 0.255342, 1, 0, 0);
 }
 
 .transformed2_ref {
-    transform: matrix(1, 0.54630248984, 0, 1, 0, 0);
+    transform: matrix(1, 0.546302, 0, 1, 0, 0);
 }
 
 .transformed3_ref {
-    transform: matrix(1, 0.54630248984, 0.25534192122, 1, 0, 0);
+    transform: matrix(1, 0.546302, 0.255342, 1, 0, 0);
 }
 
 </style>