diff --git a/org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/impl/JavaFeature.java b/org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/impl/JavaFeature.java
index 1370b9083c2..9ab8cb23c5a 100644
--- a/org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/impl/JavaFeature.java
+++ b/org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/impl/JavaFeature.java
@@ -117,7 +117,7 @@ public enum JavaFeature {
 	MARKDOWN_COMMENTS(ClassFileConstants.JDK23,
 			Messages.bind(Messages.markdown_comments),
 			CharOperation.NO_CHAR_CHAR,
-			true),
+			false),
     ;
 
 	final long compliance;