diff --git a/api/Navigator.json b/api/Navigator.json
index 8efa8cb0568857..038650b9fef141 100644
--- a/api/Navigator.json
+++ b/api/Navigator.json
@@ -1269,6 +1269,57 @@
           }
         }
       },
+      "hardwareConcurrency": {
+        "__compat": {
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/hardwareConcurrency",
+          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency",
+          "support": {
+            "chrome": {
+              "version_added": "37"
+            },
+            "chrome_android": {
+              "version_added": "37"
+            },
+            "edge": {
+              "version_added": "15"
+            },
+            "firefox": {
+              "version_added": "48"
+            },
+            "firefox_android": {
+              "version_added": "48"
+            },
+            "ie": {
+              "version_added": false
+            },
+            "opera": {
+              "version_added": "24"
+            },
+            "opera_android": {
+              "version_added": "24"
+            },
+            "safari": {
+              "version_added": "10.1",
+              "version_removed": "11"
+            },
+            "safari_ios": {
+              "version_added": "10.3",
+              "version_removed": "11"
+            },
+            "samsunginternet_android": {
+              "version_added": "3.0"
+            },
+            "webview_android": {
+              "version_added": "37"
+            }
+          },
+          "status": {
+            "experimental": false,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
       "hid": {
         "__compat": {
           "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/hid",
diff --git a/api/NavigatorConcurrentHardware.json b/api/NavigatorConcurrentHardware.json
deleted file mode 100644
index a973d6b466fba9..00000000000000
--- a/api/NavigatorConcurrentHardware.json
+++ /dev/null
@@ -1,106 +0,0 @@
-{
-  "api": {
-    "NavigatorConcurrentHardware": {
-      "__compat": {
-        "mdn_url": "https://developer.mozilla.org/docs/Web/API/NavigatorConcurrentHardware",
-        "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency",
-        "support": {
-          "chrome": {
-            "version_added": "37"
-          },
-          "chrome_android": {
-            "version_added": "37"
-          },
-          "edge": {
-            "version_added": "15"
-          },
-          "firefox": {
-            "version_added": "48"
-          },
-          "firefox_android": {
-            "version_added": "48"
-          },
-          "ie": {
-            "version_added": false
-          },
-          "opera": {
-            "version_added": "24"
-          },
-          "opera_android": {
-            "version_added": "24"
-          },
-          "safari": {
-            "version_added": "10.1",
-            "version_removed": "11"
-          },
-          "safari_ios": {
-            "version_added": "10.3",
-            "version_removed": "11"
-          },
-          "samsunginternet_android": {
-            "version_added": "3.0"
-          },
-          "webview_android": {
-            "version_added": "37"
-          }
-        },
-        "status": {
-          "experimental": false,
-          "standard_track": true,
-          "deprecated": false
-        }
-      },
-      "hardwareConcurrency": {
-        "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/API/NavigatorConcurrentHardware/hardwareConcurrency",
-          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-navigator-hardwareconcurrency-dev",
-          "support": {
-            "chrome": {
-              "version_added": "37"
-            },
-            "chrome_android": {
-              "version_added": "37"
-            },
-            "edge": {
-              "version_added": "15"
-            },
-            "firefox": {
-              "version_added": "48"
-            },
-            "firefox_android": {
-              "version_added": "48"
-            },
-            "ie": {
-              "version_added": false
-            },
-            "opera": {
-              "version_added": "24"
-            },
-            "opera_android": {
-              "version_added": "24"
-            },
-            "safari": {
-              "version_added": "10.1",
-              "version_removed": "11"
-            },
-            "safari_ios": {
-              "version_added": "10.3",
-              "version_removed": "11"
-            },
-            "samsunginternet_android": {
-              "version_added": "3.0"
-            },
-            "webview_android": {
-              "version_added": "37"
-            }
-          },
-          "status": {
-            "experimental": false,
-            "standard_track": true,
-            "deprecated": false
-          }
-        }
-      }
-    }
-  }
-}
diff --git a/api/WorkerNavigator.json b/api/WorkerNavigator.json
index 533f8d05f32763..93a701fe8c92f7 100644
--- a/api/WorkerNavigator.json
+++ b/api/WorkerNavigator.json
@@ -97,6 +97,57 @@
           }
         }
       },
+      "hardwareConcurrency": {
+        "__compat": {
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/hardwareConcurrency",
+          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency",
+          "support": {
+            "chrome": {
+              "version_added": "37"
+            },
+            "chrome_android": {
+              "version_added": "37"
+            },
+            "edge": {
+              "version_added": "15"
+            },
+            "firefox": {
+              "version_added": "48"
+            },
+            "firefox_android": {
+              "version_added": "48"
+            },
+            "ie": {
+              "version_added": false
+            },
+            "opera": {
+              "version_added": "24"
+            },
+            "opera_android": {
+              "version_added": "24"
+            },
+            "safari": {
+              "version_added": "10.1",
+              "version_removed": "11"
+            },
+            "safari_ios": {
+              "version_added": "10.3",
+              "version_removed": "11"
+            },
+            "samsunginternet_android": {
+              "version_added": "3.0"
+            },
+            "webview_android": {
+              "version_added": "37"
+            }
+          },
+          "status": {
+            "experimental": false,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
       "permissions": {
         "__compat": {
           "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/permissions",