diff --git a/css/at-rules/scroll-timeline.json b/css/at-rules/scroll-timeline.json
deleted file mode 100644
index cff7440cf63b3..0000000000000
--- a/css/at-rules/scroll-timeline.json
+++ /dev/null
@@ -1,168 +0,0 @@
-{
-  "css": {
-    "at-rules": {
-      "scroll-timeline": {
-        "__compat": {
-          "description": "<code>@scroll-timeline</code>",
-          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@scroll-timeline",
-          "spec_url": "https://w3c.github.io/csswg-drafts/scroll-animations/#scroll-timeline-at-rule",
-          "support": {
-            "chrome": {
-              "version_added": false
-            },
-            "chrome_android": "mirror",
-            "edge": "mirror",
-            "firefox": {
-              "version_added": "97",
-              "flags": [
-                {
-                  "type": "preference",
-                  "name": "layout.css.scroll-linked-animations.enabled",
-                  "value_to_set": "true"
-                }
-              ]
-            },
-            "firefox_android": "mirror",
-            "ie": {
-              "version_added": false
-            },
-            "oculus": "mirror",
-            "opera": "mirror",
-            "opera_android": "mirror",
-            "safari": {
-              "version_added": false
-            },
-            "safari_ios": "mirror",
-            "samsunginternet_android": "mirror",
-            "webview_android": "mirror"
-          },
-          "status": {
-            "experimental": true,
-            "standard_track": true,
-            "deprecated": false
-          }
-        },
-        "orientation": {
-          "__compat": {
-            "spec_url": "https://w3c.github.io/csswg-drafts/scroll-animations/#descdef-scroll-timeline-orientation",
-            "support": {
-              "chrome": {
-                "version_added": false
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "97",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "layout.css.scroll-linked-animations.enabled",
-                    "value_to_set": "true"
-                  }
-                ]
-              },
-              "firefox_android": "mirror",
-              "ie": {
-                "version_added": false
-              },
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": false
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror"
-            },
-            "status": {
-              "experimental": true,
-              "standard_track": true,
-              "deprecated": false
-            }
-          }
-        },
-        "scroll-offsets": {
-          "__compat": {
-            "spec_url": "https://w3c.github.io/csswg-drafts/scroll-animations/#descdef-scroll-timeline-scroll-offsets",
-            "support": {
-              "chrome": {
-                "version_added": false
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "97",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "layout.css.scroll-linked-animations.enabled",
-                    "value_to_set": "true"
-                  }
-                ]
-              },
-              "firefox_android": "mirror",
-              "ie": {
-                "version_added": false
-              },
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": false
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror"
-            },
-            "status": {
-              "experimental": true,
-              "standard_track": true,
-              "deprecated": false
-            }
-          }
-        },
-        "source": {
-          "__compat": {
-            "spec_url": "https://w3c.github.io/csswg-drafts/scroll-animations/#descdef-scroll-timeline-source",
-            "support": {
-              "chrome": {
-                "version_added": false
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "97",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "layout.css.scroll-linked-animations.enabled",
-                    "value_to_set": "true"
-                  }
-                ]
-              },
-              "firefox_android": "mirror",
-              "ie": {
-                "version_added": false
-              },
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": false
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror"
-            },
-            "status": {
-              "experimental": true,
-              "standard_track": true,
-              "deprecated": false
-            }
-          }
-        }
-      }
-    }
-  }
-}