diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
index c2347d454..7227f2c5b 100644
--- a/src/main/java/eu/siacs/conversations/parser/MessageParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
@@ -610,7 +610,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
                     } else {
                         serverMsgIdUpdated = false;
                     }
-                    Log.d(Config.LOGTAG, "skipping duplicate message with " + message.getCounterpart() + ". serverMsgIdUpdated=" + Boolean.toString(serverMsgIdUpdated));
+                    Log.d(Config.LOGTAG, "skipping duplicate message with " + message.getCounterpart() + ". serverMsgIdUpdated=" + serverMsgIdUpdated);
                     return;
                 }
             }
diff --git a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
index b6f5dc518..8c77bdad4 100644
--- a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
+++ b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
@@ -341,7 +341,7 @@ public class FileBackend {
         }
     }
 
-    public static void close(Closeable stream) {
+    public static void close(final Closeable stream) {
         if (stream != null) {
             try {
                 stream.close();
@@ -350,7 +350,7 @@ public class FileBackend {
         }
     }
 
-    public static void close(Socket socket) {
+    public static void close(final Socket socket) {
         if (socket != null) {
             try {
                 socket.close();
diff --git a/src/main/java/eu/siacs/conversations/xml/XmlReader.java b/src/main/java/eu/siacs/conversations/xml/XmlReader.java
index ef7b73c77..1540e5f61 100644
--- a/src/main/java/eu/siacs/conversations/xml/XmlReader.java
+++ b/src/main/java/eu/siacs/conversations/xml/XmlReader.java
@@ -6,14 +6,15 @@ import android.util.Xml;
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 
+import java.io.Closeable;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 
 import eu.siacs.conversations.Config;
 
-public class XmlReader {
-	private XmlPullParser parser;
+public class XmlReader implements Closeable {
+	private final XmlPullParser parser;
 	private InputStream is;
 
 	public XmlReader() {
@@ -48,6 +49,11 @@ public class XmlReader {
 		}
 	}
 
+	@Override
+	public void close() {
+		this.is = null;
+	}
+
 	public Tag readTag() throws IOException {
 		try {
 			while (this.is != null && parser.next() != XmlPullParser.END_DOCUMENT) {
diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
index a57f0ae63..159fa4f2b 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -1460,15 +1460,8 @@ public class XmppConnection implements Runnable {
     }
 
     private void forceCloseSocket() {
-        if (socket != null) {
-            try {
-                socket.close();
-            } catch (IOException e) {
-                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": io exception " + e.getMessage() + " during force close");
-            }
-        } else {
-            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": socket was null during force close");
-        }
+        FileBackend.close(this.socket);
+        FileBackend.close(this.tagReader);
     }
 
     public void interrupt() {
@@ -1479,7 +1472,7 @@ public class XmppConnection implements Runnable {
 
     public void disconnect(final boolean force) {
         interrupt();
-        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": disconnecting force=" + Boolean.toString(force));
+        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": disconnecting force=" + force);
         if (force) {
             forceCloseSocket();
         } else {