diff --git a/libreplan-business/src/main/java/org/libreplan/business/common/entities/Configuration.java b/libreplan-business/src/main/java/org/libreplan/business/common/entities/Configuration.java
index 4ff84c63d..6e04ed0e6 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/common/entities/Configuration.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/common/entities/Configuration.java
@@ -146,16 +146,6 @@ public class Configuration extends BaseEntity {
         return true;
     }
 
-    @AssertTrue(message = "userDn not specified")
-    public boolean checkConstraintLdapUserDnWithoutWhiteSpaces() {
-        if (getLdapConfiguration().getLdapAuthEnabled()) {
-            if (StringUtils.isBlank(getLdapConfiguration().getLdapUserDn())) {
-                return false;
-            }
-        }
-        return true;
-    }
-
     @AssertTrue(message = "userId not specified")
     public boolean checkConstraintLdapUserIdWithoutWhiteSpaces() {
         if (getLdapConfiguration().getLdapAuthEnabled()) {
@@ -166,16 +156,6 @@ public class Configuration extends BaseEntity {
         return true;
     }
 
-    @AssertTrue(message = "password not specified")
-    public boolean checkConstraintLdapPasswordWithoutWhiteSpaces() {
-        if (getLdapConfiguration().getLdapAuthEnabled()) {
-            if (StringUtils.isBlank(getLdapConfiguration().getLdapPassword())) {
-                return false;
-            }
-        }
-        return true;
-    }
-
     public void setGenerateCodeForCriterion(Boolean generateCodeForCriterion) {
         this.generateCodeForCriterion = generateCodeForCriterion;
     }