diff --git a/smack-experimental/src/main/java/org/jivesoftware/smackx/push_notifications/PushNotificationsManager.java b/smack-experimental/src/main/java/org/jivesoftware/smackx/push_notifications/PushNotificationsManager.java
index c3afb086e..44e080c96 100644
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/push_notifications/PushNotificationsManager.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/push_notifications/PushNotificationsManager.java
@@ -79,24 +79,6 @@ public final class PushNotificationsManager extends Manager {
         super(connection);
     }
 
-    /**
-     * Returns true if Push Notifications is supported by the server.
-     *
-     * @return true if Push Notifications is supported by the server.
-     * @throws NoResponseException
-     * @throws XMPPErrorException
-     * @throws NotConnectedException
-     * @throws InterruptedException
-     * @deprecated Use {@link #isSupported()} instead.
-     */
-    @Deprecated
-    // TODO: Remove in Smack 4.3
-    public boolean isSupportedByServer()
-            throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
-        return ServiceDiscoveryManager.getInstanceFor(connection())
-                .serverSupportsFeature(PushNotificationsElements.NAMESPACE);
-    }
-
     /**
      * Returns true if Push Notifications are supported by this account.
      *