--- a/dom/wifi/WifiCertService.cpp
+++ b/dom/wifi/WifiCertService.cpp
@@ -222,36 +222,25 @@ private:
 
 NS_IMPL_ISUPPORTS(WifiCertService, nsIWifiCertService)
 
 NS_IMETHODIMP
 WifiCertService::Start(nsIWifiEventListener* aListener)
 {
   MOZ_ASSERT(aListener);
 
-  nsresult rv = NS_NewThread(getter_AddRefs(mRequestThread));
-  if (NS_FAILED(rv)) {
-    NS_WARNING("Certn't create wifi control thread");
-    Shutdown();
-    return NS_ERROR_FAILURE;
-  }
-
   mListener = aListener;
 
   return NS_OK;
 }
 
 NS_IMETHODIMP
 WifiCertService::Shutdown()
 {
   MOZ_ASSERT(NS_IsMainThread());
-  if (mRequestThread) {
-    mRequestThread->Shutdown();
-    mRequestThread = nullptr;
-  }
 
   mListener = nullptr;
 
   return NS_OK;
 }
 
 void
 WifiCertService::DispatchResult(const WifiCertServiceResultOptions& aOptions)

--- a/dom/wifi/WifiCertService.h
+++ b/dom/wifi/WifiCertService.h
@@ -22,16 +22,15 @@ public:
 
   static already_AddRefed<WifiCertService>
   FactoryCreate();
   void DispatchResult(const mozilla::dom::WifiCertServiceResultOptions& aOptions);
 
 private:
   WifiCertService();
   ~WifiCertService();
-  nsCOMPtr<nsIThread> mRequestThread;
   nsCOMPtr<nsIWifiEventListener> mListener;
 };
 
 } // namespce dom
 } // namespace mozilla
 
 #endif // WifiCertService_h