diff --git a/tests/wpt/metadata-css/css-transforms-1_dev/html/perspective-translateZ-positive.htm.ini b/tests/wpt/metadata-css/css-transforms-1_dev/html/perspective-translateZ-positive.htm.ini
new file mode 100644
index 00000000000..21a94049f86
--- /dev/null
+++ b/tests/wpt/metadata-css/css-transforms-1_dev/html/perspective-translateZ-positive.htm.ini
@@ -0,0 +1,3 @@
+[perspective-translateZ-positive.htm]
+  type: reftest
+  disabled: https://github.com/servo/servo/issues/9163
diff --git a/tests/wpt/metadata-css/css-transforms-1_dev/html/transform-stacking-003.htm.ini b/tests/wpt/metadata-css/css-transforms-1_dev/html/transform-stacking-003.htm.ini
new file mode 100644
index 00000000000..4c6d5b6268e
--- /dev/null
+++ b/tests/wpt/metadata-css/css-transforms-1_dev/html/transform-stacking-003.htm.ini
@@ -0,0 +1,3 @@
+[transform-stacking-003.htm]
+  type: reftest
+  disabled: https://github.com/servo/servo/issues/9303
diff --git a/tests/wpt/metadata-css/css-transforms-1_dev/html/transform-stacking-004.htm.ini b/tests/wpt/metadata-css/css-transforms-1_dev/html/transform-stacking-004.htm.ini
new file mode 100644
index 00000000000..a2120be469c
--- /dev/null
+++ b/tests/wpt/metadata-css/css-transforms-1_dev/html/transform-stacking-004.htm.ini
@@ -0,0 +1,3 @@
+[transform-stacking-004.htm]
+  type: reftest
+  disabled: https://github.com/servo/servo/issues/9448