diff --git a/css/properties/line-height-step.json b/css/properties/line-height-step.json
deleted file mode 100644
index 5497b43ab35ae4..00000000000000
--- a/css/properties/line-height-step.json
+++ /dev/null
@@ -1,50 +0,0 @@
-{
-  "css": {
-    "properties": {
-      "line-height-step": {
-        "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/line-height-step",
-          "spec_url": "https://drafts.csswg.org/css-rhythm/#line-height-step",
-          "tags": [
-            "web-features:rhythmic-sizing"
-          ],
-          "support": {
-            "chrome": {
-              "version_added": "60",
-              "flags": [
-                {
-                  "type": "runtime_flag",
-                  "name": "--enable-blink-features=CSSSnapSize"
-                }
-              ]
-            },
-            "chrome_android": "mirror",
-            "edge": "mirror",
-            "firefox": {
-              "version_added": false
-            },
-            "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",
-            "webview_ios": "mirror"
-          },
-          "status": {
-            "experimental": true,
-            "standard_track": true,
-            "deprecated": false
-          }
-        }
-      }
-    }
-  }
-}