diff --git a/src/performancetest/java/teetime/examples/experiment01/MethodCallThoughputTimestampAnalysis1Test.java b/src/performancetest/java/teetime/examples/experiment01/MethodCallThoughputTimestampAnalysis1Test.java
index b6ded5499195cd17dd690f3a5dd7c0f0292618fd..e5385b35ac704f75321c46ab66972ec230754d1a 100644
--- a/src/performancetest/java/teetime/examples/experiment01/MethodCallThoughputTimestampAnalysis1Test.java
+++ b/src/performancetest/java/teetime/examples/experiment01/MethodCallThoughputTimestampAnalysis1Test.java
@@ -19,8 +19,6 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import teetime.examples.experiment16.ChwHomePerformanceCheck;
-import teetime.examples.experiment16.ChwWorkPerformanceCheck;
 import teetime.util.ConstructorClosure;
 import teetime.util.TimestampObject;
 import util.PerformanceCheckProfile;