diff --git a/bundles/org.eclipse.ui/src/org/eclipse/ui/internal/UIPreferenceInitializer.java b/bundles/org.eclipse.ui/src/org/eclipse/ui/internal/UIPreferenceInitializer.java
index a8baebcab2f..303c54d87db 100644
--- a/bundles/org.eclipse.ui/src/org/eclipse/ui/internal/UIPreferenceInitializer.java
+++ b/bundles/org.eclipse.ui/src/org/eclipse/ui/internal/UIPreferenceInitializer.java
@@ -52,10 +52,6 @@ public void initializeDefaultPreferences() {
 		node.put(IWorkbenchPreferenceConstants.OPEN_NEW_PERSPECTIVE,
 				IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);
 
-		// Deprecated but kept for backwards compatibility
-		node.put(IWorkbenchPreferenceConstants.PROJECT_OPEN_NEW_PERSPECTIVE,
-				IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);
-
 		// Although there is no longer any item on the preference pages
 		// for setting the linking preference, since it is now a per-part
 		// setting, it remains as a preference to allow product overrides of the