diff --git a/Core/src/org/sleuthkit/autopsy/datasourcesummary/ui/SizeRepresentationUtil.java b/Core/src/org/sleuthkit/autopsy/datasourcesummary/ui/SizeRepresentationUtil.java
index 0e3c18b67b..82832d58cf 100644
--- a/Core/src/org/sleuthkit/autopsy/datasourcesummary/ui/SizeRepresentationUtil.java
+++ b/Core/src/org/sleuthkit/autopsy/datasourcesummary/ui/SizeRepresentationUtil.java
@@ -86,7 +86,7 @@ public class SizeRepresentationUtil {
             }
         }
 
-        String fullSize = String.valueOf(size) + UNITS.get(0);
+        String fullSize = size + UNITS.get(0);
         String closestUnitSize = format.format(approximateSize) + UNITS.get(unitsIndex);
 
         if (unitsIndex == 0) {
@@ -97,4 +97,7 @@ public class SizeRepresentationUtil {
             return closestUnitSize;
         }
     }
+
+    private SizeRepresentationUtil() {
+    }
 }
diff --git a/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/AbstractLoadableComponent.java b/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/AbstractLoadableComponent.java
index b19f293ca7..74df7fd4d5 100644
--- a/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/AbstractLoadableComponent.java
+++ b/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/AbstractLoadableComponent.java
@@ -33,6 +33,8 @@ import org.sleuthkit.autopsy.coreutils.Logger;
     "AbstractLoadableComponent_noDataExists_defaultText=No data exists.",})
 public abstract class AbstractLoadableComponent<T> extends JPanel implements LoadableComponent<T> {
 
+    private static final long serialVersionUID = 1L;
+    
     /**
      * The default loading message.
      */
diff --git a/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/JTablePanel.java b/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/JTablePanel.java
index 1480a5d582..f1c9ee92ff 100644
--- a/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/JTablePanel.java
+++ b/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/JTablePanel.java
@@ -49,7 +49,7 @@ public class JTablePanel<T> extends AbstractLoadableComponent<List<T>> {
     private static class Overlay extends LayerUI<JComponent> {
 
         private static final long serialVersionUID = 1L;
-        private BaseMessageOverlay overlay = new BaseMessageOverlay();
+        private final BaseMessageOverlay overlayDelegate = new BaseMessageOverlay();
 
         /**
          * Sets this layer visible when painted. In order to be shown in UI,
@@ -58,7 +58,7 @@ public class JTablePanel<T> extends AbstractLoadableComponent<List<T>> {
          * @param visible Whether or not it is visible.
          */
         void setVisible(boolean visible) {
-            overlay.setVisible(visible);
+            overlayDelegate.setVisible(visible);
         }
 
         /**
@@ -67,13 +67,13 @@ public class JTablePanel<T> extends AbstractLoadableComponent<List<T>> {
          * @param message The message to be displayed.
          */
         void setMessage(String message) {
-            overlay.setMessage(message);
+            overlayDelegate.setMessage(message);
         }
 
         @Override
         public void paint(Graphics g, JComponent c) {
             super.paint(g, c);
-            overlay.paintOverlay(g, c.getWidth(), c.getHeight());
+            overlayDelegate.paintOverlay(g, c.getWidth(), c.getHeight());
         }
     }
 
diff --git a/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/PieChartPanel.java b/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/PieChartPanel.java
index 777cbf8902..8d6eab4a9b 100644
--- a/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/PieChartPanel.java
+++ b/Core/src/org/sleuthkit/autopsy/datasourcesummary/uiutils/PieChartPanel.java
@@ -80,7 +80,7 @@ public class PieChartPanel extends AbstractLoadableComponent<List<PieChartPanel.
     private static class MessageOverlay extends AbstractOverlay implements Overlay {
 
         private static final long serialVersionUID = 1L;
-        private BaseMessageOverlay overlay = new BaseMessageOverlay();
+        private final BaseMessageOverlay overlay = new BaseMessageOverlay();
 
         /**
          * Sets this layer visible when painted. In order to be shown in UI,