diff --git a/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/resources/tests/TestExclusion.java b/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/resources/tests/TestExclusion.java
index 4e16f4125eb..9108e8a4087 100644
--- a/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/resources/tests/TestExclusion.java
+++ b/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/resources/tests/TestExclusion.java
@@ -16,5 +16,9 @@ public class TestExclusion extends RefreshExclusion {
 		String name = resource.getName();
 		return name.endsWith("2");
 	}
-	
+
+	@Override
+	public boolean supportsExclusionInstances() {
+		return false;
+	}
 }
\ No newline at end of file