diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/CReconciler.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/CReconciler.java
deleted file mode 100644
index e32c8081d4c..00000000000
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/CReconciler.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.eclipse.cdt.internal.ui.text;
-
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.reconciler.DirtyRegion;
-import org.eclipse.jface.text.reconciler.Reconciler;
-
-public class CReconciler extends Reconciler {
-	
-	protected void process(DirtyRegion dirtyRegion) {
-		if(dirtyRegion != null) {
-			getReconcilingStrategy(IDocument.DEFAULT_CONTENT_TYPE).reconcile(dirtyRegion, null);
-		}
-	}
-	
-}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/CSourceViewerConfiguration.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/CSourceViewerConfiguration.java
index 7355beb9ea9..b72ca79d991 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/CSourceViewerConfiguration.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/CSourceViewerConfiguration.java
@@ -44,7 +44,7 @@ import org.eclipse.jface.text.information.InformationPresenter;
 import org.eclipse.jface.text.presentation.IPresentationReconciler;
 import org.eclipse.jface.text.presentation.PresentationReconciler;
 import org.eclipse.jface.text.reconciler.IReconciler;
-import org.eclipse.jface.text.reconciler.Reconciler;
+import org.eclipse.jface.text.reconciler.MonoReconciler;
 import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
 import org.eclipse.jface.text.rules.RuleBasedScanner;
 import org.eclipse.jface.text.source.IAnnotationHover;
@@ -222,21 +222,10 @@ public class CSourceViewerConfiguration extends TextSourceViewerConfiguration {
 	 */
 	public IReconciler getReconciler(ISourceViewer sourceViewer) {
 		if (fEditor != null && fEditor.isEditable()) {
-			Reconciler reconciler= new CReconciler() {
-				protected void initialProcess() {
-					// prevent case where getDocument() returns null
-					// and causes exception in initialProcess()
-					// PR 63890
-					IDocument doc = getDocument();
-					if (doc != null)
-						super.initialProcess();
-				}
-			};
 			//Delay changed and non-incremental reconciler used due to 
 			//PR 130089
+			MonoReconciler reconciler= new MonoReconciler(new CReconcilingStrategy(fEditor), false);
 			reconciler.setDelay(500);
-			reconciler.setIsIncrementalReconciler(false);
-			reconciler.setReconcilingStrategy(new CReconcilingStrategy(fEditor), IDocument.DEFAULT_CONTENT_TYPE);
 			return reconciler;
 		}
 		return null;