diff --git a/lib/browser/api/web-contents.js b/lib/browser/api/web-contents.js
index ee32a55a5cdfc..82b16299b1a84 100644
--- a/lib/browser/api/web-contents.js
+++ b/lib/browser/api/web-contents.js
@@ -379,6 +379,8 @@ WebContents.prototype._init = function () {
   this.setMaxListeners(0)
 
   this.capturePage = deprecate.promisify(this.capturePage)
+  this.hasServiceWorker = deprecate.function(this.hasServiceWorker)
+  this.unregisterServiceWorker = deprecate.function(this.unregisterServiceWorker)
 
   // Dispatch IPC messages to the ipc module.
   this.on('-ipc-message', function (event, [channel, ...args]) {
diff --git a/lib/common/api/deprecate.js b/lib/common/api/deprecate.js
index 42218003f78c2..ef92a635d549c 100644
--- a/lib/common/api/deprecate.js
+++ b/lib/common/api/deprecate.js
@@ -69,6 +69,16 @@ const deprecate = {
     })
   },
 
+  function: (fn, newName) => {
+    // if newName is left blank, a removal warning will be displayed
+    const warn = warnOnce(fn.name, newName)
+
+    return function () {
+      if (!process.noDeprecation) warn()
+      return fn.apply(this, arguments)
+    }
+  },
+
   promisify: (fn) => {
     const fnName = fn.name || 'function'
     const oldName = `${fnName} with callbacks`