diff --git a/src/com/jpexs/decompiler/flash/gui/MainPanel.java b/src/com/jpexs/decompiler/flash/gui/MainPanel.java
index 2bed7ca99..42fd9136c 100644
--- a/src/com/jpexs/decompiler/flash/gui/MainPanel.java
+++ b/src/com/jpexs/decompiler/flash/gui/MainPanel.java
@@ -200,7 +200,6 @@ import javax.sound.sampled.UnsupportedAudioFileException;
 import javax.swing.Box;
 import javax.swing.BoxLayout;
 import javax.swing.Icon;
-import javax.swing.JButton;
 import javax.swing.JColorChooser;
 import javax.swing.JFileChooser;
 import javax.swing.JFrame;
@@ -249,6 +248,7 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
     public DumpTree dumpTree;
 
     private final FlashPlayerPanel flashPanel;
+
     private final FlashPlayerPanel flashPanel2;
 
     private final JPanel contentPanel;
@@ -286,7 +286,9 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
     private static final String TIMELINE_PANEL = "TIMELINEPANEL";
 
     private static final String RESOURCES_VIEW = "RESOURCES";
+
     private static final String DUMP_VIEW = "DUMP";
+
     private static final String TIMELINE_VIEW = "TIMELINE";
 
     private final JPersistentSplitPane splitPane1;
@@ -310,6 +312,7 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
     private DumpViewPanel dumpViewPanel;
 
     private final JPanel treePanel;
+
     private final PreviewPanel dumpPreviewPanel;
 
     private final TagInfoPanel tagInfoPanel;
@@ -3316,7 +3319,7 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
         } else if (treeItem instanceof Frame && internalViewer) {
             showPreview(treeItem, previewPanel);
             showCard(CARDPREVIEWPANEL);
-        } else if ((treeItem instanceof SoundTag)) { //&& isInternalFlashViewerSelected() && (Arrays.asList("mp3", "wav").contains(((SoundTag) tagObj).getExportFormat())))) {           
+        } else if ((treeItem instanceof SoundTag)) { //&& isInternalFlashViewerSelected() && (Arrays.asList("mp3", "wav").contains(((SoundTag) tagObj).getExportFormat())))) {
             showPreview(treeItem, previewPanel);
             showCard(CARDPREVIEWPANEL);
         } else if ((treeItem instanceof Frame) || (treeItem instanceof CharacterTag) || (treeItem instanceof FontTag) || (treeItem instanceof SoundStreamHeadTypeTag)) {
diff --git a/src/com/jpexs/decompiler/flash/gui/dumpview/DumpTreeModel.java b/src/com/jpexs/decompiler/flash/gui/dumpview/DumpTreeModel.java
index 8d543d1a3..d36973f99 100644
--- a/src/com/jpexs/decompiler/flash/gui/dumpview/DumpTreeModel.java
+++ b/src/com/jpexs/decompiler/flash/gui/dumpview/DumpTreeModel.java
@@ -17,16 +17,10 @@
 package com.jpexs.decompiler.flash.gui.dumpview;
 
 import com.jpexs.decompiler.flash.SWF;
-import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.dumpview.DumpInfo;
-import com.jpexs.decompiler.flash.tags.Tag;
-import com.jpexs.decompiler.flash.tags.TagStub;
 import com.jpexs.decompiler.flash.treeitems.SWFList;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import javax.swing.event.TreeModelEvent;
 import javax.swing.event.TreeModelListener;
 import javax.swing.tree.TreeModel;
diff --git a/src/com/jpexs/decompiler/flash/gui/dumpview/DumpViewPanel.java b/src/com/jpexs/decompiler/flash/gui/dumpview/DumpViewPanel.java
index 7b6c644bc..09fdb08b4 100644
--- a/src/com/jpexs/decompiler/flash/gui/dumpview/DumpViewPanel.java
+++ b/src/com/jpexs/decompiler/flash/gui/dumpview/DumpViewPanel.java
@@ -18,8 +18,6 @@ package com.jpexs.decompiler.flash.gui.dumpview;
 
 import com.jpexs.decompiler.flash.dumpview.DumpInfo;
 import com.jpexs.decompiler.flash.dumpview.DumpInfoSwfNode;
-import com.jpexs.decompiler.flash.gui.Main;
-import com.jpexs.decompiler.flash.gui.PreviewPanel;
 import com.jpexs.decompiler.flash.gui.hexview.HexView;
 import com.jpexs.decompiler.flash.gui.hexview.HexViewListener;
 import com.jpexs.helpers.Helper;