--- old/test/langtools/tools/javac/StringConcat/TestIndyStringConcat.java	2018-07-05 18:55:51.748000000 -0700
+++ new/test/langtools/tools/javac/StringConcat/TestIndyStringConcat.java	2018-07-05 18:55:51.600000000 -0700
@@ -35,10 +35,6 @@
  * @modules jdk.jdeps/com.sun.tools.classfile
  *
  * @clean TestIndyStringConcat*
- * @compile -source 6 -target 6 TestIndyStringConcat.java
- * @run main TestIndyStringConcat false
- *
- * @clean TestIndyStringConcat*
  * @compile -source 7 -target 7 TestIndyStringConcat.java
  * @run main TestIndyStringConcat false
  *