diff --git a/libraries/pom.xml b/libraries/pom.xml
index 4c9227511e..b19a005d94 100644
--- a/libraries/pom.xml
+++ b/libraries/pom.xml
@@ -922,7 +922,7 @@
     </build>
 
     <properties>
-    	<snakeyaml.version>1.21</snakeyaml.version>
+        <snakeyaml.version>1.21</snakeyaml.version>
         <googleclient.version>1.23.0</googleclient.version>
         <crdt.version>0.1.0</crdt.version>
         <multiverse.version>0.7.0</multiverse.version>
diff --git a/libraries/src/test/java/com/baeldung/snakeyaml/YAMLToJavaDeserialisationUnitTest.java b/libraries/src/test/java/com/baeldung/snakeyaml/YAMLToJavaDeserialisationUnitTest.java
index a0245c0a4d..56cd3c2b2e 100644
--- a/libraries/src/test/java/com/baeldung/snakeyaml/YAMLToJavaDeserialisationUnitTest.java
+++ b/libraries/src/test/java/com/baeldung/snakeyaml/YAMLToJavaDeserialisationUnitTest.java
@@ -23,7 +23,6 @@ public class YAMLToJavaDeserialisationUnitTest {
         assertEquals("John", obj.get("firstName"));
         assertEquals("Doe", obj.get("lastName"));
         assertEquals(20, obj.get("age"));
-        System.out.println(obj);
     }
 
     @Test
@@ -36,7 +35,6 @@ public class YAMLToJavaDeserialisationUnitTest {
         assertEquals("John", customer.getFirstName());
         assertEquals("Doe", customer.getLastName());
         assertEquals(20, customer.getAge());
-        System.out.println(customer);
     }
 
     @Test
@@ -49,7 +47,6 @@ public class YAMLToJavaDeserialisationUnitTest {
         assertEquals("John", customer.getFirstName());
         assertEquals("Doe", customer.getLastName());
         assertEquals(20, customer.getAge());
-        System.out.println(customer);
     }
 
     @Test