Index: src/org/openstreetmap/josm/gui/dialogs/ValidatorDialog.java
===================================================================
--- src/org/openstreetmap/josm/gui/dialogs/ValidatorDialog.java	(revision 14906)
+++ src/org/openstreetmap/josm/gui/dialogs/ValidatorDialog.java	(working copy)
@@ -30,6 +30,7 @@
 
 import org.openstreetmap.josm.actions.AbstractSelectAction;
 import org.openstreetmap.josm.actions.AutoScaleAction;
+import org.openstreetmap.josm.actions.JosmAction;
 import org.openstreetmap.josm.actions.ValidateAction;
 import org.openstreetmap.josm.actions.relation.EditRelationAction;
 import org.openstreetmap.josm.command.Command;
@@ -116,18 +117,23 @@
                 Shortcut.registerShortcut("subwindow:validator", tr("Toggle: {0}", tr("Validation Results")),
                         KeyEvent.VK_V, Shortcut.ALT_SHIFT), 150, false, ValidatorPreference.class);
 
-        Action removeProblemAction = new AbstractAction() {
-            {
-                putValue(NAME, tr("Ignore for now"));
-                putValue(SHORT_DESCRIPTION, tr("Ignore and remove from tree."));
-                new ImageProvider("dialogs", "delete").getResource().attachImageIcon(this, true);
-            }
+        JosmAction removeProblemAction = new JosmAction(
+            tr("Ignore for now"),
+            "dialogs/delete",
+            tr("Ignore and remove from tree."),
+            Shortcut.registerShortcut("tools:validate:ignore-for-now",
+                    tr("Ignore and remove from tree."),
+                    KeyEvent.VK_I, Shortcut.CTRL_SHIFT),
+            false, false) {
 
             @Override
             public void actionPerformed(ActionEvent e) {
                 TestError error = getSelectedError();
-                error.setIgnored(true);
-                tree.resetErrors();
+                if (error != null) {
+                    error.setIgnored(true);
+                    tree.resetErrors();
+                    invalidateValidatorLayers();
+                }
             }
         };