diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMManager.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMManager.java
index 9803d67390a..36e499e4c2f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMManager.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMManager.java
@@ -47,6 +47,7 @@ import org.eclipse.cdt.internal.core.index.IWritableIndexManager;
 import org.eclipse.cdt.internal.core.index.IndexChangeEvent;
 import org.eclipse.cdt.internal.core.index.IndexFactory;
 import org.eclipse.cdt.internal.core.index.IndexerStateEvent;
+import org.eclipse.cdt.internal.core.index.provider.IndexProviderManager;
 import org.eclipse.cdt.internal.core.pdom.PDOM.IListener;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMFile;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMProjectIndexLocationConverter;