diff --git a/libreplan-business/src/main/java/org/libreplan/business/expensesheet/entities/ExpenseSheet.java b/libreplan-business/src/main/java/org/libreplan/business/expensesheet/entities/ExpenseSheet.java
index 6728e7b74..88c6d6b53 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/expensesheet/entities/ExpenseSheet.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/expensesheet/entities/ExpenseSheet.java
@@ -232,13 +232,4 @@ public class ExpenseSheet extends IntegrationEntity implements IHumanIdentifiabl
         return !personal;
     }
 
-    @AssertTrue(message = "a personal expenses must have at least one line")
-    public boolean checkConstraintPersonalExpenseMustHaveAtLeastOneLine() {
-        if (!personal) {
-            return true;
-        }
-
-        return !expenseSheetLines.isEmpty();
-    }
-
 }
\ No newline at end of file