diff --git a/org.eclipse.xtext.ui.testing/src/org/eclipse/xtext/ui/testing/util/JavaProjectSetupUtil.java b/org.eclipse.xtext.ui.testing/src/org/eclipse/xtext/ui/testing/util/JavaProjectSetupUtil.java
index 518a637f71c..498cea35f2b 100644
--- a/org.eclipse.xtext.ui.testing/src/org/eclipse/xtext/ui/testing/util/JavaProjectSetupUtil.java
+++ b/org.eclipse.xtext.ui.testing/src/org/eclipse/xtext/ui/testing/util/JavaProjectSetupUtil.java
@@ -380,6 +380,7 @@ public static void addJreClasspathEntry(IJavaProject javaProject, String bree, b
 
 	private static boolean isJava7Default = false;
 	
+	@Deprecated
 	public static void makeJava7Default() {
 		if (!isJava7Default) {
 			IExecutionEnvironmentsManager manager = JavaRuntime.getExecutionEnvironmentsManager();