servo · bors-servo · Jan 27, 2016 · Jan 19, 2016
diff --git a/components/script/dom/cssstyledeclaration.rs b/components/script/dom/cssstyledeclaration.rs
@@ -329,6 +329,10 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
             None => elem.remove_inline_style_property(&property),
         }
 
+        let document = document_from_node(elem);
+        let node = elem.upcast();
+        document.content_changed(node, NodeDamage::NodeStyleDamaged);
+
         // Step 6
         Ok(value)
     }

diff --git a/...pt/metadata-css/css-transforms-1_dev/html/perspective-containing-block-dynamic-1a.htm.ini b/...pt/metadata-css/css-transforms-1_dev/html/perspective-containing-block-dynamic-1a.htm.ini
diff --git a/.../wpt/metadata-css/css-transforms-1_dev/html/transform-containing-block-dynamic-1a.htm.ini b/.../wpt/metadata-css/css-transforms-1_dev/html/transform-containing-block-dynamic-1a.htm.ini
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -3948,6 +3948,18 @@
             "url": "/_mozilla/css/quotes_simple_a.html"
           }
         ],
+        "css/removeproperty.html": [
+          {
+            "path": "css/removeproperty.html",
+            "references": [
+              [
+                "/_mozilla/css/removeproperty_ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/css/removeproperty.html"
+          }
+        ],
         "css/restyle_hints_attr.html": [
           {
             "path": "css/restyle_hints_attr.html",
@@ -10016,6 +10028,18 @@
           "url": "/_mozilla/css/quotes_simple_a.html"
         }
       ],
+      "css/removeproperty.html": [
+        {
+          "path": "css/removeproperty.html",
+          "references": [
+            [
+              "/_mozilla/css/removeproperty_ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/css/removeproperty.html"
+        }
+      ],
       "css/restyle_hints_attr.html": [
         {
           "path": "css/restyle_hints_attr.html",

diff --git a/tests/wpt/mozilla/tests/css/removeproperty.html b/tests/wpt/mozilla/tests/css/removeproperty.html
@@ -0,0 +1,13 @@
+<link rel=match href=removeproperty_ref.html>
+<body>
+
+<div style="width:10px;height:10px;background:red;border:2px solid blue;color:green;">test</div>
+
+<script>
+  window.onload = function() {
+    var div = document.querySelector("div");
+    div.style.removeProperty("background");
+    div.style.color = "";
+  }
+</script>
+</body>
diff --git a/tests/wpt/mozilla/tests/css/removeproperty_ref.html b/tests/wpt/mozilla/tests/css/removeproperty_ref.html
@@ -0,0 +1,2 @@
+<div style="width:10px;height:10px;border:2px solid blue;">test</div>
+
		@@ -0,0 +1,2 @@
		<div style="width:10px;height:10px;border:2px solid blue;">test</div>