diff --git a/src/main/java/koz01/java2/lab10/Clas.java b/src/main/java/koz01/java2/lab10/Clas.java
index 20993fffd0a25a8e3e9384d2afbb6919aca581d9..bd20f7d41c62001c65206dd96d226a8f40f723c2 100644
--- a/src/main/java/koz01/java2/lab10/Clas.java
+++ b/src/main/java/koz01/java2/lab10/Clas.java
@@ -3,6 +3,7 @@ package koz01.java2.lab10;
 import java.util.Set;
 
 import javax.persistence.Entity;
+import javax.persistence.Transient;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -18,6 +19,7 @@ public class Clas extends BaseEntity {
 	@Setter
 	private String cname;
 
+	@Transient
 	@Getter
 	@Setter
 	private Set<Clas> clas;
diff --git a/src/main/java/koz01/java2/lab10/Department.java b/src/main/java/koz01/java2/lab10/Department.java
index 132b6ed07fdabd04582320a0b67314bc1b32ebee..8b09f00b2c0b22532b920d378818c34f9a3ec054 100644
--- a/src/main/java/koz01/java2/lab10/Department.java
+++ b/src/main/java/koz01/java2/lab10/Department.java
@@ -3,6 +3,7 @@ package koz01.java2.lab10;
 import java.util.List;
 
 import javax.persistence.Entity;
+import javax.persistence.Transient;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -18,6 +19,7 @@ public class Department extends BaseEntity {
 	@Setter
 	private String name;
 
+	@Transient
 	@Getter
 	@Setter
 	private List<Employee> employee;
diff --git a/src/main/java/koz01/java2/lab10/Employee.java b/src/main/java/koz01/java2/lab10/Employee.java
index 259c167f456776c25f75a0e9ff406b52bc06c37c..f21bdc1dd8882e128d4145d22994fc3ccf0fde38 100644
--- a/src/main/java/koz01/java2/lab10/Employee.java
+++ b/src/main/java/koz01/java2/lab10/Employee.java
@@ -1,6 +1,7 @@
 package koz01.java2.lab10;
 
 import javax.persistence.Entity;
+import javax.persistence.Transient;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -28,6 +29,7 @@ public class Employee extends BaseEntity {
 	@Setter
 	private String deg;
 
+	@Transient
 	@Setter
 	@Getter
 	private Department department;
diff --git a/src/main/java/koz01/java2/lab10/Teacher.java b/src/main/java/koz01/java2/lab10/Teacher.java
index ee1c35713f94d95bcf0dc5255461d05ca91e852e..1c67bac5f2ecf94305c3a36a1670d5bfb997bf24 100644
--- a/src/main/java/koz01/java2/lab10/Teacher.java
+++ b/src/main/java/koz01/java2/lab10/Teacher.java
@@ -4,6 +4,7 @@ package koz01.java2.lab10;
 import java.util.Set;
 
 import javax.persistence.Entity;
+import javax.persistence.Transient;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -23,6 +24,7 @@ public class Teacher extends BaseEntity {
 	@Setter
 	private String subject;
 
+	@Transient
 	@Getter
 	@Setter
 	private Set<Clas> clasSet;