diff --git a/components/layout/inline.rs b/components/layout/inline.rs
index 934e4aa1fc8..a934b95bafe 100644
--- a/components/layout/inline.rs
+++ b/components/layout/inline.rs
@@ -1143,7 +1143,11 @@ impl InlineFlow {
         let font_style = style.clone_font();
         let font_metrics = text::font_metrics_for_style(font_context, font_style);
         let line_height = text::line_height_from_style(style, &font_metrics);
-        let inline_metrics = InlineMetrics::from_font_metrics(&font_metrics, line_height);
+        let inline_metrics = if fragments.iter().any(Fragment::is_text_or_replaced) {
+            InlineMetrics::from_font_metrics(&font_metrics, line_height)
+        } else {
+            InlineMetrics::new(Au(0), Au(0), Au(0))
+        };
 
         let mut line_metrics = LineMetrics::new(Au(0), MIN_AU);
         let mut largest_block_size_for_top_fragments = Au(0);
diff --git a/tests/wpt/metadata/css/CSS2/fonts/font-variant-applies-to-005.xht.ini b/tests/wpt/metadata/css/CSS2/fonts/font-variant-applies-to-005.xht.ini
deleted file mode 100644
index 466614c4127..00000000000
--- a/tests/wpt/metadata/css/CSS2/fonts/font-variant-applies-to-005.xht.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[font-variant-applies-to-005.xht]
-  type: reftest
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/CSS2/lists/list-style-applies-to-012.xht.ini b/tests/wpt/metadata/css/CSS2/lists/list-style-applies-to-012.xht.ini
deleted file mode 100644
index 0bc7d42a181..00000000000
--- a/tests/wpt/metadata/css/CSS2/lists/list-style-applies-to-012.xht.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[list-style-applies-to-012.xht]
-  type: reftest
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/CSS2/lists/list-style-type-applies-to-012.xht.ini b/tests/wpt/metadata/css/CSS2/lists/list-style-type-applies-to-012.xht.ini
deleted file mode 100644
index 185c50e8f99..00000000000
--- a/tests/wpt/metadata/css/CSS2/lists/list-style-type-applies-to-012.xht.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[list-style-type-applies-to-012.xht]
-  type: reftest
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-flexbox/flexbox_inline.html.ini b/tests/wpt/metadata/css/css-flexbox/flexbox_inline.html.ini
new file mode 100644
index 00000000000..ec520ac0f8c
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/flexbox_inline.html.ini
@@ -0,0 +1,2 @@
+[flexbox_inline.html]
+  expected: FAIL