diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardActivity.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardActivity.java
index cbf17df1b..75a7e87f0 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardActivity.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardActivity.java
@@ -8,19 +8,14 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.MenuInflater;
 import android.view.KeyEvent;
-import android.content.res.AssetManager;
-import java.io.InputStream;
 import android.os.Handler;
 import android.os.Message;
-import java.io.FileOutputStream;
-import java.io.FileInputStream;
 import android.content.Intent;
 import java.util.concurrent.Semaphore;
 import android.net.Uri;
 import android.app.Dialog;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
-import android.content.res.Resources;
 import android.widget.Toast;
 import junit.framework.Assert;
 import android.content.res.Configuration;
@@ -61,7 +56,6 @@ public class BoardActivity extends Activity implements UtilCtxt {
     private JNIThread m_jniThread;
 
     public class TimerRunnable implements Runnable {
-        private int m_gamePtr;
         private int m_why;
         private int m_when;
         private int m_handle;
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardView.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardView.java
index 740fd4b17..00479396b 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardView.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardView.java
@@ -14,7 +14,6 @@ import android.view.MotionEvent;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.BitmapDrawable;
 import android.content.res.Resources;
-import android.graphics.Paint.FontMetrics;
 import android.graphics.Paint.FontMetricsInt;
 import junit.framework.Assert;
 
@@ -374,7 +373,6 @@ public class BoardView extends View implements DrawCtx, BoardHandler,
         } else {
             m_fillPaint.setColor( foreColor );
             if ( null == bitmaps ) {
-                int useHt = rect.height() - 4;
                 drawCentered( text, rect, m_fontDims );
             } else {
                 drawBestBitmap( bitmaps, rect );
@@ -546,7 +544,7 @@ public class BoardView extends View implements DrawCtx, BoardHandler,
                                   BitmapDrawable[] bitmaps, int val, 
                                   int flags, boolean clearBack )
     {
-        boolean valHidden = (flags & CELL_VALHIDDEN) != 0;
+        // boolean valHidden = (flags & CELL_VALHIDDEN) != 0;
         boolean notEmpty = (flags & CELL_ISEMPTY) == 0;
         boolean isCursor = (flags & CELL_ISCURSOR) != 0;
 
@@ -666,7 +664,7 @@ public class BoardView extends View implements DrawCtx, BoardHandler,
                                                  Bitmap.Config.ARGB_8888 );
             Canvas canvas = new Canvas( bitmap );
 
-            FontMetrics fmi = paint.getFontMetrics();
+            // FontMetrics fmi = paint.getFontMetrics();
             // Utils.logf( "ascent: " + fmi.ascent );
             // Utils.logf( "bottom: " + fmi.bottom );
             // Utils.logf( "descent: " + fmi.descent );
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/CommsTransport.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/CommsTransport.java
index 28228f953..0f73dbbdf 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/CommsTransport.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/CommsTransport.java
@@ -5,7 +5,6 @@ package org.eehouse.android.xw4;
 import java.nio.channels.Selector;
 import java.nio.channels.SocketChannel;
 import java.nio.channels.SelectionKey;
-import java.nio.channels.spi.SelectorProvider;
 import java.nio.channels.ClosedChannelException;
 import java.nio.ByteBuffer;
 import java.net.InetSocketAddress;
@@ -21,7 +20,6 @@ import android.os.Message;
 
 import org.eehouse.android.xw4.jni.*;
 import org.eehouse.android.xw4.jni.JNIThread.*;
-import org.eehouse.android.xw4.jni.CommsAddrRec.CommsConnType;
 import org.eehouse.android.xw4.jni.CurGameInfo.DeviceRole;
 
 public class CommsTransport extends Thread implements TransportProcs {
@@ -43,7 +41,6 @@ public class CommsTransport extends Thread implements TransportProcs {
     private ByteBuffer m_bytesIn;
 
     private Context m_context;
-    private DeviceRole m_role;
 
     // assembling inbound packet
     private byte[] m_packetIn;
@@ -55,7 +52,6 @@ public class CommsTransport extends Thread implements TransportProcs {
         m_jniGamePtr = jniGamePtr;
         m_context = context;
         m_handler = handler;
-        m_role = role;
         m_buffersOut = new Vector<ByteBuffer>();
         m_bytesIn = ByteBuffer.allocate( 2048 );
     }
@@ -118,7 +114,7 @@ public class CommsTransport extends Thread implements TransportProcs {
                 break;
             }
 
-            Iterator iter = m_selector.selectedKeys().iterator();
+            Iterator<SelectionKey> iter = m_selector.selectedKeys().iterator();
             while ( iter.hasNext() ) {
                 SelectionKey key = (SelectionKey)iter.next();
                 SocketChannel channel = (SocketChannel)key.channel();
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/DictActivity.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/DictActivity.java
index 2bf839c13..9d16b63ef 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/DictActivity.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/DictActivity.java
@@ -3,14 +3,10 @@
 package org.eehouse.android.xw4;
 
 import android.app.Activity;
-import android.app.ListActivity;
 import android.webkit.WebView;
 import android.os.Bundle;
 import android.webkit.DownloadListener;
 
-import org.eehouse.android.xw4.jni.*;
-
-
 public class DictActivity extends Activity {
 
     private WebView m_webview;
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/GameConfig.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/GameConfig.java
index 95b85caa2..a023b501e 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/GameConfig.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/GameConfig.java
@@ -19,35 +19,17 @@
 package org.eehouse.android.xw4;
 
 import android.app.Activity;
-import android.content.ComponentName;
-import android.content.ContentValues;
-import android.content.Context;
 import android.content.Intent;
-import android.database.Cursor;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.Rect;
 import android.net.Uri;
 import android.os.Bundle;
-import android.util.AttributeSet;
-import android.util.Log;
 import java.util.ArrayList;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.widget.EditText;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemSelectedListener;
-import android.widget.ListView;
-import android.widget.ListAdapter;
 import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
 import android.widget.Button;
-import android.widget.EditText;
-import java.io.PrintStream;
-import java.io.FileOutputStream;
-import android.text.Editable;
-import android.database.DataSetObserver;
 import android.app.Dialog;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
@@ -56,13 +38,9 @@ import android.widget.CheckBox;
 import android.widget.CompoundButton;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
-import android.view.Menu;
-import android.view.MenuItem;
 import android.view.MenuInflater;
 import android.widget.Spinner;
 import android.widget.ArrayAdapter;
-import android.webkit.WebView;
-import java.io.File;
 import android.widget.LinearLayout;
 import junit.framework.Assert;
 
@@ -89,7 +67,6 @@ public class GameConfig extends Activity implements View.OnClickListener {
     private int m_browsePosition;
     private LinearLayout m_playerLayout;
     private CommsAddrRec m_car;
-    private int m_connLayoutID;
     private CommonPrefs m_cp;
     private boolean m_canDoSMS = false;
     private boolean m_canDoBT = false;
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/GameListAdapter.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/GameListAdapter.java
index efc2a067f..c8c257e08 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/GameListAdapter.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/GameListAdapter.java
@@ -2,7 +2,6 @@
 
 package org.eehouse.android.xw4;
 
-import android.widget.Adapter;
 import android.widget.ListAdapter;
 import android.content.Context;
 import android.view.View;
@@ -10,8 +9,6 @@ import android.view.ViewGroup;
 import android.widget.TextView;
 import android.database.DataSetObserver;
 import java.io.FileInputStream;
-import java.io.InputStreamReader;
-import java.nio.CharBuffer;
 
 import org.eehouse.android.xw4.jni.*;
 import org.eehouse.android.xw4.jni.CurGameInfo.DeviceRole;
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/GamesList.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/GamesList.java
index 4f1d35b1b..5e3892b0a 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/GamesList.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/GamesList.java
@@ -18,13 +18,9 @@
 package org.eehouse.android.xw4;
 
 import android.app.ListActivity;
-import android.content.ComponentName;
-import android.content.ContentUris;
 import android.content.Intent;
-import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
-import android.util.Log;
 import android.view.ContextMenu;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -32,12 +28,8 @@ import android.view.View;
 import android.view.ContextMenu.ContextMenuInfo;
 import android.widget.AdapterView;
 import android.widget.ListView;
-import android.widget.SimpleCursorAdapter;
-import android.content.res.AssetManager;
-import java.io.InputStream;
 import android.widget.Button;
 import android.view.MenuInflater;
-import java.io.FileOutputStream;
 import java.io.File;
 import android.preference.PreferenceManager;
 
@@ -46,7 +38,6 @@ import org.eehouse.android.xw4.jni.*;
 import org.eehouse.android.xw4.XWords4.Games; // for constants
 
 public class GamesList extends ListActivity implements View.OnClickListener {
-    private static final String TAG = "GamesList";
     private GameListAdapter m_adapter;
 
     @Override
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/PlayerView.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/PlayerView.java
index f230c5d99..92f8aba02 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/PlayerView.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/PlayerView.java
@@ -3,7 +3,6 @@
 package org.eehouse.android.xw4;
 
 import android.widget.TextView;
-import android.app.Activity;
 import android.content.Context;
 import android.util.AttributeSet;
 
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java
index 11714c880..cc70fe773 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java
@@ -3,23 +3,10 @@
 package org.eehouse.android.xw4;
 
 import android.preference.PreferenceActivity;
-import android.app.Activity;
 import android.os.Bundle;
-import android.content.Intent;
-import android.app.Dialog;
-import android.app.AlertDialog;
-import android.content.DialogInterface;
-import android.content.res.Configuration;
-import android.view.View;
-import android.widget.Button;
-
-import org.eehouse.android.xw4.jni.*;
 
 public class PrefsActivity extends PreferenceActivity {
 
-    private Button m_doneB;
-    private CommonPrefs m_cp;
-
     @Override
     protected void onCreate( Bundle savedInstanceState )
     {
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/ReceiveNBS.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/ReceiveNBS.java
index c01e4f69b..0e92aa10f 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/ReceiveNBS.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/ReceiveNBS.java
@@ -8,8 +8,6 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.telephony.SmsMessage;
 
-import org.eehouse.android.xw4.jni.*;
-
 public class ReceiveNBS extends BroadcastReceiver {
 
     @Override
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/StatusReceiver.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/StatusReceiver.java
index 019d5986b..c9abc7ec4 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/StatusReceiver.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/StatusReceiver.java
@@ -3,13 +3,10 @@
 
 package org.eehouse.android.xw4;
 
-import android.os.Bundle;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 
-import org.eehouse.android.xw4.jni.*;
-
 public class StatusReceiver extends BroadcastReceiver {
 
     @Override
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/Utils.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/Utils.java
index fd6753522..5362bdcde 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/Utils.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/Utils.java
@@ -21,9 +21,6 @@ import android.widget.TextView;
 import android.text.format.Time;
 import java.util.Formatter;
 
-import org.eehouse.android.xw4.jni.*;
-import org.eehouse.android.xw4.jni.JNIThread.*;
-
 public class Utils {
     static final String TAG = "EJAVA";
     // private static JNIThread s_jniThread = null;
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/BoardHandler.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/BoardHandler.java
index 1366dfb49..f7b8ace3c 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/BoardHandler.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/BoardHandler.java
@@ -1,8 +1,6 @@
 
 package org.eehouse.android.xw4.jni;
 
-import android.content.Context;
-
 public interface BoardHandler {
 
     void startHandling( JNIThread thread, int gamePtr, CurGameInfo gi );
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/CommsAddrRec.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/CommsAddrRec.java
index 6bf76e7c8..e7ccff2c7 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/CommsAddrRec.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/CommsAddrRec.java
@@ -2,7 +2,6 @@
 package org.eehouse.android.xw4.jni;
 
 import java.net.InetAddress;
-import android.content.Context;
 
 import org.eehouse.android.xw4.Utils;
 
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/JNIThread.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/JNIThread.java
index 539ff4793..ff3dd8928 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/JNIThread.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/JNIThread.java
@@ -3,7 +3,6 @@
 
 package org.eehouse.android.xw4.jni;
 
-import android.view.View;
 import org.eehouse.android.xw4.Utils;
 import java.lang.InterruptedException;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -11,7 +10,6 @@ import android.os.Handler;
 import android.os.Message;
 import android.graphics.Paint;
 import android.graphics.Rect;
-import junit.framework.Assert;
 
 import org.eehouse.android.xw4.R;
 import org.eehouse.android.xw4.jni.CurGameInfo.DeviceRole;
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/JNIUtilsImpl.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/JNIUtilsImpl.java
index 5f8094617..081c7ff4f 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/JNIUtilsImpl.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/JNIUtilsImpl.java
@@ -51,7 +51,6 @@ public class JNIUtilsImpl implements JNIUtils {
     public String[] splitFaces( byte[] chars )
     {
         ArrayList<String> al = new ArrayList<String>();
-        int ii = 0;
         ByteArrayInputStream bais = new ByteArrayInputStream( chars );
         InputStreamReader isr = new InputStreamReader( bais );
 
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/LocalPlayer.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/LocalPlayer.java
index 6d8ecd08d..64a57692c 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/LocalPlayer.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/LocalPlayer.java
@@ -9,8 +9,6 @@ public class LocalPlayer {
     public boolean isRobot;
     public boolean isLocal;
 
-    private LocalPlayer() {}
-
     public LocalPlayer( int num )
     {
         isLocal = true;
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/UtilCtxt.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/UtilCtxt.java
index e11b0debf..1d80cc8de 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/UtilCtxt.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/UtilCtxt.java
@@ -2,8 +2,6 @@
 
 package org.eehouse.android.xw4.jni;
 
-import android.graphics.drawable.BitmapDrawable;
-
 public interface UtilCtxt {
     static final int BONUS_NONE = 0;
     static final int BONUS_DOUBLE_LETTER = 1;