diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/io/network/api/writer/RecordWriterTest.java b/flink-runtime/src/test/java/org/apache/flink/runtime/io/network/api/writer/RecordWriterTest.java
index c7ef4f1ce79b5..ec0dfe2716970 100644
--- a/flink-runtime/src/test/java/org/apache/flink/runtime/io/network/api/writer/RecordWriterTest.java
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/io/network/api/writer/RecordWriterTest.java
@@ -41,11 +41,8 @@
 import org.apache.flink.util.XORShiftRandom;
 
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.io.IOException;
 import java.util.ArrayDeque;
@@ -71,8 +68,6 @@
 /**
  * Tests for the {@link RecordWriter}.
  */
-@PrepareForTest({EventSerializer.class})
-@RunWith(PowerMockRunner.class)
 public class RecordWriterTest {
 
 	// ---------------------------------------------------------------------------------------------