diff --git a/src/playstore/java/eu/siacs/conversations/services/PushManagementService.java b/src/playstore/java/eu/siacs/conversations/services/PushManagementService.java
index d0a2dd056..48eb6beeb 100644
--- a/src/playstore/java/eu/siacs/conversations/services/PushManagementService.java
+++ b/src/playstore/java/eu/siacs/conversations/services/PushManagementService.java
@@ -8,14 +8,12 @@ import com.google.android.gms.common.GoogleApiAvailability;
 import com.google.android.gms.gcm.GoogleCloudMessaging;
 import com.google.android.gms.iid.InstanceID;
 
-import java.io.IOException;
-
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.R;
 import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xml.Namespace;
 import eu.siacs.conversations.xmpp.OnIqPacketReceived;
-import eu.siacs.conversations.xmpp.Patches;
 import eu.siacs.conversations.xmpp.XmppConnection;
 import eu.siacs.conversations.xmpp.forms.Data;
 import eu.siacs.conversations.xmpp.jid.InvalidJidException;