diff --git a/Lab2/src/main/java/org/lumijiez/base/Faculty.java b/Lab2/src/main/java/org/lumijiez/base/Faculty.java
index cb53228..64152f1 100644
--- a/Lab2/src/main/java/org/lumijiez/base/Faculty.java
+++ b/Lab2/src/main/java/org/lumijiez/base/Faculty.java
@@ -16,17 +16,7 @@ public class Faculty implements Serializable {
         this.name = name;
         this.abbreviation = abbreviation;
         this.field = field;
-//        this.uuid = UUID.randomUUID().toString();
     }
-//    private String uuid;
-
-//    public String getUuid() {
-//        return uuid;
-//    }
-//
-//    public void setUuid(String uuid) {
-//        this.uuid = uuid;
-//    }
 
     public void addGroup(Group group) {
         groups.add(group);
diff --git a/Lab2/src/main/java/org/lumijiez/base/Group.java b/Lab2/src/main/java/org/lumijiez/base/Group.java
index 50c4de1..8502317 100644
--- a/Lab2/src/main/java/org/lumijiez/base/Group.java
+++ b/Lab2/src/main/java/org/lumijiez/base/Group.java
@@ -8,12 +8,10 @@ public class Group implements Serializable {
 
     private final List<Student> students = new ArrayList<>();
     private String name;
-    //    private String uuid;
     private Faculty faculty;
 
     public Group(String name) {
         this.name = name;
-//        this.uuid = UUID.randomUUID().toString();
     }
 
     public Faculty getFaculty() {
@@ -49,11 +47,4 @@ public class Group implements Serializable {
         return name;
     }
 
-//    public String getUuid() {
-//        return uuid;
-//    }
-//
-//    public void setUuid(String uuid) {
-//        this.uuid = uuid;
-//    }
 }
diff --git a/Lab2/src/main/java/org/lumijiez/base/Student.java b/Lab2/src/main/java/org/lumijiez/base/Student.java
index adeb4a4..63d5275 100644
--- a/Lab2/src/main/java/org/lumijiez/base/Student.java
+++ b/Lab2/src/main/java/org/lumijiez/base/Student.java
@@ -26,8 +26,6 @@ public class Student implements Serializable {
 
     private Group group;
 
-//    private String uuid;
-
     public Student(String name, String surname, String email, Group group, Faculty faculty, Date birth, Date enrol) {
         this.name = name;
         this.surname = surname;
@@ -37,7 +35,6 @@ public class Student implements Serializable {
         this.faculty = faculty;
         this.dateOfBirth = birth;
         this.enrollmentDate = enrol;
-//        this.uuid = UUID.randomUUID().toString();
     }
 
     public Faculty getFaculty() {