diff --git a/src/de/mpg/molgen/buczek/portifix/Gui.java b/src/de/mpg/molgen/buczek/portifix/Gui.java
index 3e54c0f..0a7f93e 100644
--- a/src/de/mpg/molgen/buczek/portifix/Gui.java
+++ b/src/de/mpg/molgen/buczek/portifix/Gui.java
@@ -158,10 +158,7 @@ private void updateForm() {
     private final int EDIT_MODE_PERSON = 1;
     private final int EDIT_MODE_EXEMPLAR = 2;
 
-    private int edit_mode;
-
-    private void startEdit(int edit_mode) {
-        this.edit_mode = edit_mode;
+    private void startEdit() {
         jTable1.setEnabled(false);
         // setTreeEnabled(jTable1, false);
         button_refresh.setEnabled(false);
@@ -180,22 +177,16 @@ private void stopEdit() {
     }
 
     private void saveThis() {
-        System.out.printf("Edit mode : %d\n", edit_mode);
         int selected[] = jTable1.getSelectedRows();
 
-        if (edit_mode == EDIT_MODE_EXEMPLAR) {
-            try {
-                String s = textField_datum.getText();
-                Date d = MyDateFormat.parse(s);
-                System.out.printf(" %s --> %s\n", s, d);
-                for (int i = 0; i < selected.length; i++) {
-                    tableModel.setNewDateThis(jTable1.convertRowIndexToModel(selected[i]), d);
-                }
-            } catch (ParseException exception) {
-                // invalid date string. keep old values
+        try {
+            String s = textField_datum.getText();
+            Date d = MyDateFormat.parse(s);
+            for (int i = 0; i < selected.length; i++) {
+                tableModel.setNewDateThis(jTable1.convertRowIndexToModel(selected[i]), d);
             }
-        } else {
-            throw new Error("internal error");
+        } catch (ParseException exception) {
+            // invalid date string. keep old values
         }
     }
 
@@ -240,7 +231,7 @@ public void focusGained(FocusEvent e) {
                 if (textField_datum.getText().equals("...")) {
                     textField_datum.setText("");
                 }
-                startEdit(EDIT_MODE_EXEMPLAR);
+                startEdit();
             }
 
             @Override
diff --git a/src/de/mpg/molgen/buczek/portifix/TableModel.java b/src/de/mpg/molgen/buczek/portifix/TableModel.java
index 6b2330f..6167513 100644
--- a/src/de/mpg/molgen/buczek/portifix/TableModel.java
+++ b/src/de/mpg/molgen/buczek/portifix/TableModel.java
@@ -107,14 +107,13 @@ public Class getColumnClass(int column) {
         return COLUMN_CLASS[column];
     }
 
-    private static boolean SHOW_ALL = true;
+    private static final boolean SHOW_ALL = true;
 
     private MyDate upgradeOptionalDate(Date d) {
         return d == null ? null : new MyDate(d);
     }
 
     void populate() throws SQLException {
-        System.out.println("populate\n");
         row.clear();
         Statement statement = con.createStatement();
         ResultSet resultSet = statement.executeQuery(SHOW_ALL ? SQL_ALL : SQL);
@@ -152,7 +151,6 @@ void setNewDateThis(int rowIndex, Date newDate) {
             statement.setString(2, (String) getValueAt(rowIndex, COLUMN_EXEMPLAR_ID));
             statement.setString(3, (String) getValueAt(rowIndex, COLUMN_PERSONAL_ID));
             int i = statement.executeUpdate();
-            System.out.printf("%d rows updated\n", i);
             populate();
         } catch (SQLException ex) {
             Logger.getLogger(TableModel.class.getName()).log(Level.SEVERE, null, ex);