diff --git a/api/HTMLImageElement.json b/api/HTMLImageElement.json
index 7eda73059d9836..f54202368ac691 100644
--- a/api/HTMLImageElement.json
+++ b/api/HTMLImageElement.json
@@ -1110,8 +1110,7 @@
               "chrome_android": "mirror",
               "edge": "mirror",
               "firefox": {
-                "version_added": "150",
-                "impl_url": "https://bugzil.la/1819581"
+                "version_added": "150"
               },
               "firefox_android": "mirror",
               "oculus": "mirror",
diff --git a/html/elements/img.json b/html/elements/img.json
index 1780b9fa3d3a6f..19e5b27df3c968 100644
--- a/html/elements/img.json
+++ b/html/elements/img.json
@@ -782,8 +782,7 @@
                 "chrome_android": "mirror",
                 "edge": "mirror",
                 "firefox": {
-                  "version_added": false,
-                  "impl_url": "https://bugzil.la/1819581"
+                  "version_added": "150"
                 },
                 "firefox_android": "mirror",
                 "oculus": "mirror",