diff --git a/cqrs/src/main/java/com/iluwatar/cqrs/domain/model/Author.java b/cqrs/src/main/java/com/iluwatar/cqrs/domain/model/Author.java
index 1d110cb59..321ad3a28 100644
--- a/cqrs/src/main/java/com/iluwatar/cqrs/domain/model/Author.java
+++ b/cqrs/src/main/java/com/iluwatar/cqrs/domain/model/Author.java
@@ -50,7 +50,6 @@ public class Author {
    *          email of the author
    */
   public Author(String username, String name, String email) {
-    super();
     this.username = username;
     this.name = name;
     this.email = email;
diff --git a/cqrs/src/main/java/com/iluwatar/cqrs/domain/model/Book.java b/cqrs/src/main/java/com/iluwatar/cqrs/domain/model/Book.java
index 8d9ba0ca3..904f996eb 100644
--- a/cqrs/src/main/java/com/iluwatar/cqrs/domain/model/Book.java
+++ b/cqrs/src/main/java/com/iluwatar/cqrs/domain/model/Book.java
@@ -43,7 +43,7 @@ public class Book {
   private Author author;
 
   /**
-   * 
+   *
    * @param title
    *          title of the book
    * @param price
@@ -52,7 +52,6 @@ public class Book {
    *          author of the book
    */
   public Book(String title, double price, Author author) {
-    super();
     this.title = title;
     this.price = price;
     this.author = author;
diff --git a/cqrs/src/main/java/com/iluwatar/cqrs/dto/Author.java b/cqrs/src/main/java/com/iluwatar/cqrs/dto/Author.java
index 34d082e86..abd42e4a5 100644
--- a/cqrs/src/main/java/com/iluwatar/cqrs/dto/Author.java
+++ b/cqrs/src/main/java/com/iluwatar/cqrs/dto/Author.java
@@ -45,7 +45,6 @@ public class Author {
    *          username of the author
    */
   public Author(String name, String email, String username) {
-    super();
     this.name = name;
     this.email = email;
     this.username = username;
diff --git a/cqrs/src/main/java/com/iluwatar/cqrs/dto/Book.java b/cqrs/src/main/java/com/iluwatar/cqrs/dto/Book.java
index ff4d258af..5e96b5d7e 100644
--- a/cqrs/src/main/java/com/iluwatar/cqrs/dto/Book.java
+++ b/cqrs/src/main/java/com/iluwatar/cqrs/dto/Book.java
@@ -42,7 +42,6 @@ public class Book {
    *          price of the book
    */
   public Book(String title, double price) {
-    super();
     this.title = title;
     this.price = price;
   }
diff --git a/data-mapper/src/main/java/com/iluwatar/datamapper/Student.java b/data-mapper/src/main/java/com/iluwatar/datamapper/Student.java
index d709833aa..d9c3d389f 100644
--- a/data-mapper/src/main/java/com/iluwatar/datamapper/Student.java
+++ b/data-mapper/src/main/java/com/iluwatar/datamapper/Student.java
@@ -41,8 +41,6 @@ public final class Student implements Serializable {
    * @param grade as respective grade of student
    */
   public Student(final int studentId, final String name, final char grade) {
-    super();
-
     this.studentId = studentId;
     this.name = name;
     this.grade = grade;
diff --git a/queue-load-leveling/src/main/java/com/iluwatar/queue/load/leveling/Message.java b/queue-load-leveling/src/main/java/com/iluwatar/queue/load/leveling/Message.java
index fc218c875..1bfc3fe35 100644
--- a/queue-load-leveling/src/main/java/com/iluwatar/queue/load/leveling/Message.java
+++ b/queue-load-leveling/src/main/java/com/iluwatar/queue/load/leveling/Message.java
@@ -31,7 +31,6 @@ public class Message {
  
   // Parameter constructor.
   public Message(String msg) {
-    super();
     this.msg = msg;
   }
 
diff --git a/value-object/src/main/java/com/iluwatar/value/object/HeroStat.java b/value-object/src/main/java/com/iluwatar/value/object/HeroStat.java
index ff85e0e93..0274bc47f 100644
--- a/value-object/src/main/java/com/iluwatar/value/object/HeroStat.java
+++ b/value-object/src/main/java/com/iluwatar/value/object/HeroStat.java
@@ -37,7 +37,6 @@ public class HeroStat {
 
   // All constructors must be private.
   private HeroStat(int strength, int intelligence, int luck) {
-    super();
     this.strength = strength;
     this.intelligence = intelligence;
     this.luck = luck;