--- jsr166/src/test/tck/JSR166TestCase.java	2017/05/14 00:37:42	1.226
+++ jsr166/src/test/tck/JSR166TestCase.java	2017/05/14 03:14:25	1.228
@@ -1066,8 +1066,8 @@ public class JSR166TestCase extends Test
      * Checks that thread eventually enters the expected blocked thread state.
      */
     void assertThreadBlocks(Thread thread, Thread.State expected) {
-        // always sleep at least 1 ms, avoiding transitional states
-        // with high probability
+        // always sleep at least 1 ms, with high probability avoiding
+        // transitory states
         for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
             try { delay(1); }
             catch (InterruptedException fail) {
@@ -1101,28 +1101,6 @@ public class JSR166TestCase extends Test
         } catch (InterruptedException fail) {
             threadFail("Unexpected InterruptedException");
         }
-    }
-
-    /**
-     * Checks that the threads do not terminate within the default
-     * millisecond delay of {@code timeoutMillis()}.
-     */
-    void assertThreadsStayAlive(Thread... threads) {
-        assertThreadsStayAlive(timeoutMillis(), threads);
-    }
-
-    /**
-     * Checks that the threads do not terminate within the given millisecond delay.
-     */
-    void assertThreadsStayAlive(long millis, Thread... threads) {
-        try {
-            // No need to optimize the failing case via Thread.join.
-            delay(millis);
-            for (Thread thread : threads)
-                assertTrue(thread.isAlive());
-        } catch (InterruptedException fail) {
-            threadFail("Unexpected InterruptedException");
-        }
     }
 
     /**