diff --git a/Cargo.lock b/Cargo.lock
index e357d697b2d..245ce636a58 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1697,8 +1697,8 @@ dependencies = [
 
 [[package]]
 name = "fontsan"
-version = "0.4.0"
-source = "git+https://github.com/servo/fontsan#29e879c870348c4b3fd51086e42dbb6365171479"
+version = "0.5.0"
+source = "git+https://github.com/servo/fontsan#36de30730c14af97c5545b957b125a6ce94a4ea3"
 dependencies = [
  "cmake",
  "libc",
diff --git a/tests/wpt/meta-legacy-layout/css/css-fonts/variations/slnt-backslant-variable.html.ini b/tests/wpt/meta-legacy-layout/css/css-fonts/variations/slnt-backslant-variable.html.ini
deleted file mode 100644
index 5c616c0ad70..00000000000
--- a/tests/wpt/meta-legacy-layout/css/css-fonts/variations/slnt-backslant-variable.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[slnt-backslant-variable.html]
-  expected: FAIL
diff --git a/tests/wpt/meta-legacy-layout/css/css-fonts/variations/slnt-variable.html.ini b/tests/wpt/meta-legacy-layout/css/css-fonts/variations/slnt-variable.html.ini
deleted file mode 100644
index 62b6f9dfa36..00000000000
--- a/tests/wpt/meta-legacy-layout/css/css-fonts/variations/slnt-variable.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[slnt-variable.html]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/css-fonts/variations/slnt-backslant-variable.html.ini b/tests/wpt/meta/css/css-fonts/variations/slnt-backslant-variable.html.ini
deleted file mode 100644
index 5c616c0ad70..00000000000
--- a/tests/wpt/meta/css/css-fonts/variations/slnt-backslant-variable.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[slnt-backslant-variable.html]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/css-fonts/variations/slnt-variable.html.ini b/tests/wpt/meta/css/css-fonts/variations/slnt-variable.html.ini
deleted file mode 100644
index 62b6f9dfa36..00000000000
--- a/tests/wpt/meta/css/css-fonts/variations/slnt-variable.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[slnt-variable.html]
-  expected: FAIL