diff --git a/api/KeyboardEvent.json b/api/KeyboardEvent.json
index 149e4ee6c95254..341b4dacd871f1 100644
--- a/api/KeyboardEvent.json
+++ b/api/KeyboardEvent.json
@@ -47,198 +47,6 @@
           "deprecated": false
         }
       },
-      "DOM_KEY_LOCATION_LEFT": {
-        "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/DOM_KEY_LOCATION_LEFT",
-          "support": {
-            "chrome": {
-              "version_added": true
-            },
-            "chrome_android": {
-              "version_added": true
-            },
-            "edge": {
-              "version_added": "≤18"
-            },
-            "firefox": {
-              "version_added": true
-            },
-            "firefox_android": {
-              "version_added": true
-            },
-            "ie": {
-              "version_added": null
-            },
-            "opera": {
-              "version_added": true
-            },
-            "opera_android": {
-              "version_added": true
-            },
-            "safari": {
-              "version_added": true
-            },
-            "safari_ios": {
-              "version_added": true
-            },
-            "samsunginternet_android": {
-              "version_added": true
-            },
-            "webview_android": {
-              "version_added": true
-            }
-          },
-          "status": {
-            "experimental": false,
-            "standard_track": true,
-            "deprecated": false
-          }
-        }
-      },
-      "DOM_KEY_LOCATION_NUMPAD": {
-        "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/DOM_KEY_LOCATION_NUMPAD",
-          "support": {
-            "chrome": {
-              "version_added": true
-            },
-            "chrome_android": {
-              "version_added": true
-            },
-            "edge": {
-              "version_added": "≤18"
-            },
-            "firefox": {
-              "version_added": true
-            },
-            "firefox_android": {
-              "version_added": true
-            },
-            "ie": {
-              "version_added": null
-            },
-            "opera": {
-              "version_added": true
-            },
-            "opera_android": {
-              "version_added": true
-            },
-            "safari": {
-              "version_added": true
-            },
-            "safari_ios": {
-              "version_added": true
-            },
-            "samsunginternet_android": {
-              "version_added": true
-            },
-            "webview_android": {
-              "version_added": true
-            }
-          },
-          "status": {
-            "experimental": false,
-            "standard_track": true,
-            "deprecated": false
-          }
-        }
-      },
-      "DOM_KEY_LOCATION_RIGHT": {
-        "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/DOM_KEY_LOCATION_RIGHT",
-          "support": {
-            "chrome": {
-              "version_added": true
-            },
-            "chrome_android": {
-              "version_added": true
-            },
-            "edge": {
-              "version_added": "≤18"
-            },
-            "firefox": {
-              "version_added": true
-            },
-            "firefox_android": {
-              "version_added": true
-            },
-            "ie": {
-              "version_added": null
-            },
-            "opera": {
-              "version_added": true
-            },
-            "opera_android": {
-              "version_added": true
-            },
-            "safari": {
-              "version_added": true
-            },
-            "safari_ios": {
-              "version_added": true
-            },
-            "samsunginternet_android": {
-              "version_added": true
-            },
-            "webview_android": {
-              "version_added": true
-            }
-          },
-          "status": {
-            "experimental": false,
-            "standard_track": true,
-            "deprecated": false
-          }
-        }
-      },
-      "DOM_KEY_LOCATION_STANDARD": {
-        "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/DOM_KEY_LOCATION_STANDARD",
-          "support": {
-            "chrome": {
-              "version_added": true
-            },
-            "chrome_android": {
-              "version_added": true
-            },
-            "edge": {
-              "version_added": "≤18"
-            },
-            "firefox": {
-              "version_added": true
-            },
-            "firefox_android": {
-              "version_added": true
-            },
-            "ie": {
-              "version_added": null
-            },
-            "opera": {
-              "version_added": true
-            },
-            "opera_android": {
-              "version_added": true
-            },
-            "safari": {
-              "version_added": true
-            },
-            "safari_ios": {
-              "version_added": true
-            },
-            "samsunginternet_android": {
-              "version_added": true
-            },
-            "webview_android": {
-              "version_added": true
-            }
-          },
-          "status": {
-            "experimental": false,
-            "standard_track": true,
-            "deprecated": false
-          }
-        }
-      },
       "KeyboardEvent": {
         "__compat": {
           "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/KeyboardEvent",