[218979] Cannot clear align property using Properties view

diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/properties/ConfigurablePropertySheetPage.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/properties/ConfigurablePropertySheetPage.java
index ca3c0e8..881cb2f 100644
--- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/properties/ConfigurablePropertySheetPage.java
+++ b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/properties/ConfigurablePropertySheetPage.java

@@ -119,17 +119,22 @@
 		if (fSelectedEntries != null) {
 			Object[] entries = fSelectedEntries;
 			ISelection selection = fInput;
+			boolean needsRefresh = false;
 			if (selection != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
 				IPropertySource source = getConfiguration().getPropertySourceProvider(this).getPropertySource(((IStructuredSelection) selection).getFirstElement());
 				if (source != null && source instanceof IPropertySourceExtension) {
 					for (int i = 0; i < entries.length; i++) {
 						if (entries[i] instanceof IPropertySheetEntry) {
 							IPropertySheetEntry entry = (IPropertySheetEntry) entries[i];
+							needsRefresh = true;
 							((IPropertySourceExtension) source).removeProperty(entry.getDisplayName());
 						}
 					}
 				}
 			}
+			if (needsRefresh) {
+				refresh();
+			}
 		}
 	}
 

diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/views/properties/XMLPropertySheetConfiguration.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/views/properties/XMLPropertySheetConfiguration.java
index 41a66f4..a4f3a4e 100644
--- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/views/properties/XMLPropertySheetConfiguration.java
+++ b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/views/properties/XMLPropertySheetConfiguration.java

@@ -141,8 +141,9 @@
 				fSource = (INodeNotifier) object;
 				fPropertySource = (IPropertySource) fSource.getAdapterFor(IPropertySource.class);
 				if (fPropertySource == null) {
-					fPropertySource = new XMLPropertySource((INodeNotifier) object){
+					fPropertySource = new XMLPropertySource((INodeNotifier) object) {
 						public void setPropertyValue(Object nameObject, Object value) {
+							// https://bugs.eclipse.org/bugs/show_bug.cgi?id=218979
 							for (int i = 0; i < fSelectedNotifiers.length; i++) {
 								fSelectedNotifiers[i].removeAdapter(fRefreshAdapter);
 							}