diff --git a/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstream/InputStreamUnitTest.java b/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstream/InputStreamUnitTest.java
index 6ad3c03d8b..e45e406f75 100644
--- a/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstream/InputStreamUnitTest.java
+++ b/core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/inputstream/InputStreamUnitTest.java
@@ -5,17 +5,12 @@ import static org.assertj.core.api.Assertions.assertThat;
 import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
@@ -32,21 +27,6 @@ public class InputStreamUnitTest {
         }
     }
 
-    @Test
-    public void givenAStringWrittenToFile_whenReadWithFileInputStreamWithStringConstructor_thenItShouldExitsInTheInputStream(@TempDir Path tempDir) throws IOException {
-        Path sampleOut = tempDir.resolve("sample-out.txt");
-        String expectedText = "Hello. Hi.";
-        List<String> lines = Arrays.asList(expectedText);
-        Files.write(sampleOut, lines);
-        String fileAbsolutePath = sampleOut.toFile()
-            .getAbsolutePath();
-        try (FileInputStream fis = new FileInputStream(fileAbsolutePath)) {
-            int availableBytes = fis.available();
-            assertThat(availableBytes).isGreaterThan(0);
-            assertThat(readString(fis)).contains(expectedText);
-        }
-    }
-
     @Test
     public void givenAByteArray_whenReadWithByteArrayInputStream_thenTheStringValueOfTheByteArrayShouldMatchTheExpectedString() throws IOException {
         byte[] byteArray = { 104, 101, 108, 108, 111 };
@@ -55,25 +35,6 @@ public class InputStreamUnitTest {
         }
     }
 
-    @Test
-    public void givenKeyValuePairsWrittenInAFile_whenPassedInOutputStreams_thenThePairsShouldExistsInObjectInputStreams(@TempDir Path tempDir) throws IOException, ClassNotFoundException {
-        Path sampleOut = tempDir.resolve("sample-out.txt");
-        File textFile = sampleOut.toFile();
-        //Serialize a Hashmap then write it into a file.
-        Map<String, String> kv = new HashMap<>();
-        try (ObjectOutputStream objectOutStream = new ObjectOutputStream(new FileOutputStream(textFile))) {
-            kv.put("baseURL", "baeldung.com");
-            kv.put("apiKey", "this_is_a_test_key");
-            objectOutStream.writeObject(kv);
-        }
-        //Deserialize the contents of a file then transform it back into a Hashmap
-        try (ObjectInputStream input = new ObjectInputStream(new FileInputStream(textFile))) {
-            HashMap<String, String> inputKv = (HashMap<String, String>) input.readObject();
-            assertThat(kv.get("baseURL")).isEqualTo(inputKv.get("baseURL"));
-            assertThat(kv.get("apiKey")).isEqualTo(inputKv.get("apiKey"));
-        }
-    }
-
     private static String readString(InputStream inputStream) throws IOException {
         int c;
         StringBuilder sb = new StringBuilder();