diff --git a/src/test/java/teetime/stage/InstanceOfFilterTest.java b/src/test/java/teetime/stage/InstanceOfFilterTest.java
index 03c796a7fb1f0a11e66070a140e6fb273288ebbc..08d48a227d36e76194218714a6a0c94b64fb691f 100644
--- a/src/test/java/teetime/stage/InstanceOfFilterTest.java
+++ b/src/test/java/teetime/stage/InstanceOfFilterTest.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertThat;
 import static teetime.framework.test.StageTester.test;
 
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.List;
 
 import org.junit.Before;
@@ -31,8 +30,6 @@ import org.junit.Test;
 
 import teetime.framework.Configuration;
 import teetime.framework.Execution;
-import teetime.framework.ExecutionException;
-import teetime.util.ThreadThrowableContainer;
 
 /**
  * @author Nils Christian Ehmke
@@ -111,15 +108,10 @@ public class InstanceOfFilterTest {
 	}
 
 	@Test
-	public void filterShouldSendToBothOutputPorts() throws Exception {
+	public void filterShouldSendToBothOutputPorts() {
 		InstanceOfFilterTestConfig config = new InstanceOfFilterTestConfig();
 		Execution<InstanceOfFilterTestConfig> execution = new Execution<InstanceOfFilterTestConfig>(config);
-		try {
-			execution.executeBlocking();
-		} catch (ExecutionException e) {
-			Collection<ThreadThrowableContainer> thrownExceptions = e.getThrownExceptions();
-			// TODO: handle exception
-		}
+		execution.executeBlocking();
 	}
 
 	private static class InstanceOfFilterTestConfig extends Configuration {