diff --git a/html/elements/nextid.json b/html/elements/nextid.json
deleted file mode 100644
index 56924453171298..00000000000000
--- a/html/elements/nextid.json
+++ /dev/null
@@ -1,55 +0,0 @@
-{
-  "html": {
-    "elements": {
-      "nextid": {
-        "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Element/nextid",
-          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#nextid",
-          "support": {
-            "chrome": {
-              "version_added": false
-            },
-            "chrome_android": {
-              "version_added": false
-            },
-            "edge": {
-              "version_added": false
-            },
-            "firefox": {
-              "version_added": false
-            },
-            "firefox_android": {
-              "version_added": false
-            },
-            "ie": {
-              "version_added": false
-            },
-            "opera": {
-              "version_added": false
-            },
-            "opera_android": {
-              "version_added": false
-            },
-            "safari": {
-              "version_added": false
-            },
-            "safari_ios": {
-              "version_added": false
-            },
-            "samsunginternet_android": {
-              "version_added": false
-            },
-            "webview_android": {
-              "version_added": false
-            }
-          },
-          "status": {
-            "experimental": false,
-            "standard_track": true,
-            "deprecated": true
-          }
-        }
-      }
-    }
-  }
-}