--- a/test/hotspot/jtreg/gc/TestNumWorkerOutput.java	Fri Feb 08 02:57:40 2019 +0100
+++ b/test/hotspot/jtreg/gc/TestNumWorkerOutput.java	Fri Feb 08 11:52:33 2019 +0100
@@ -54,12 +54,9 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import jdk.test.lib.Platform;
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
 
-import static jdk.test.lib.Asserts.*;
-
 public class TestNumWorkerOutput {
 
     public static void checkPatternOnce(String pattern, String what) throws Exception {