diff --git a/core/org.eclipse.cdt.ui/ChangeLog b/core/org.eclipse.cdt.ui/ChangeLog
index 5ac90b8d056..c7f9574443b 100644
--- a/core/org.eclipse.cdt.ui/ChangeLog
+++ b/core/org.eclipse.cdt.ui/ChangeLog
@@ -2,6 +2,13 @@
 	Fix for bug 66197 : I18N: Invalid key in Code Templates export message
 	* src/org/eclipse/cdt/internal/corext.template/TemplateMessages.properties
 
+2004-06-08 Alain Magloire
+
+	Fix for 66188
+	The callback acceptProblem() should do nothing.
+
+	* src/org/eclipse/cdt/internal/ui/compare/CParseTreeBuilder.java
+
 2004-06-08 Alain Magloire
 
 	Fix for PR 66186.
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/compare/CParseTreeBuilder.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/compare/CParseTreeBuilder.java
index 05b25e84209..5d7d29fd9a7 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/compare/CParseTreeBuilder.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/compare/CParseTreeBuilder.java
@@ -235,10 +235,7 @@ public class CParseTreeBuilder extends SourceElementRequestorAdapter {
 	 * @see org.eclipse.cdt.core.parser.ISourceElementRequestor#acceptProblem(org.eclipse.cdt.core.parser.IProblem)
 	 */
 	public boolean acceptProblem(IProblem problem) {
-		int problemId = problem.getID();
-		if (problem.isError() && ((problemId & IProblem.SYNTAX_RELATED) != 0)) {
-			throw new ParseError();
-		}
+		// Do nothing.
 		return true;
 	}