diff --git a/css/types/image.json b/css/types/image.json
index 6cf2c9f935f545..73df91dacc0878 100644
--- a/css/types/image.json
+++ b/css/types/image.json
@@ -188,7 +188,6 @@
               ],
               "chrome_android": "mirror",
               "edge": {
-                "prefix": "-ms-",
                 "version_added": "12"
               },
               "firefox": {