--- jsr166/src/test/tck/JSR166TestCase.java	2017/05/14 03:14:25	1.228
+++ jsr166/src/test/tck/JSR166TestCase.java	2017/05/14 03:15:37	1.229
@@ -1083,27 +1083,6 @@ public class JSR166TestCase extends Test
     }
 
     /**
-     * Checks that thread does not terminate within the default
-     * millisecond delay of {@code timeoutMillis()}.
-     */
-    void assertThreadStaysAlive(Thread thread) {
-        assertThreadStaysAlive(thread, timeoutMillis());
-    }
-
-    /**
-     * Checks that thread does not terminate within the given millisecond delay.
-     */
-    void assertThreadStaysAlive(Thread thread, long millis) {
-        try {
-            // No need to optimize the failing case via Thread.join.
-            delay(millis);
-            assertTrue(thread.isAlive());
-        } catch (InterruptedException fail) {
-            threadFail("Unexpected InterruptedException");
-        }
-    }
-
-    /**
      * Checks that future.get times out, with the default timeout of
      * {@code timeoutMillis()}.
      */