diff --git a/src/main/java/com/ai/st/microservice/administration/business/UserBusiness.java b/src/main/java/com/ai/st/microservice/administration/business/UserBusiness.java
index 7b7e45c..8d974e2 100644
--- a/src/main/java/com/ai/st/microservice/administration/business/UserBusiness.java
+++ b/src/main/java/com/ai/st/microservice/administration/business/UserBusiness.java
@@ -112,12 +112,6 @@ public UserDto createUser(String firstName, String lastName, String password, St
 			throw new BusinessException("Ya existe un usuario con el nombre de usuario especificado.");
 		}
 
-		// validation email
-		UserEntity userEmailEntity = userService.getUserByEmail(email);
-		if (userEmailEntity instanceof UserEntity) {
-			throw new BusinessException("Ya existe un usuario con el correo electrónico especificado.");
-		}
-
 		if (password == null || password.isEmpty()) {
 			password = RandomStringUtils.random(6, true, true);
 		}
diff --git a/src/main/java/com/ai/st/microservice/administration/entities/UserEntity.java b/src/main/java/com/ai/st/microservice/administration/entities/UserEntity.java
index d28b93b..d311749 100644
--- a/src/main/java/com/ai/st/microservice/administration/entities/UserEntity.java
+++ b/src/main/java/com/ai/st/microservice/administration/entities/UserEntity.java
@@ -35,7 +35,7 @@ public class UserEntity {
 	@Column(name = "username", nullable = false, length = 100, unique = true)
 	private String username;
 
-	@Column(name = "email", nullable = false, length = 100, unique = true)
+	@Column(name = "email", nullable = false, length = 100)
 	private String email;
 
 	@Column(name = "password", nullable = false, length = 100)