diff --git a/wise-webapp/src/main/java/com/wisemapping/security/MapAccessPermissionEvaluation.java b/wise-webapp/src/main/java/com/wisemapping/security/MapAccessPermissionEvaluation.java
index fd31c897..868d5bf5 100644
--- a/wise-webapp/src/main/java/com/wisemapping/security/MapAccessPermissionEvaluation.java
+++ b/wise-webapp/src/main/java/com/wisemapping/security/MapAccessPermissionEvaluation.java
@@ -47,7 +47,6 @@ public class MapAccessPermissionEvaluation implements PermissionEvaluator {
             result = hasPrivilege(map, perm);
         } else if (targetDomainObject instanceof Collaborator collab) {
             // Read only operations checks ...
-            assert user != null;
             result = user.identityEquality(collab) || readAdvice.getMindmapService().isAdmin(user);
         } else {
             throw new IllegalArgumentException("Unsupported check control of permissions");
diff --git a/wise-webapp/src/main/java/com/wisemapping/service/MindmapServiceImpl.java b/wise-webapp/src/main/java/com/wisemapping/service/MindmapServiceImpl.java
index 57969536..1bcf1a0c 100755
--- a/wise-webapp/src/main/java/com/wisemapping/service/MindmapServiceImpl.java
+++ b/wise-webapp/src/main/java/com/wisemapping/service/MindmapServiceImpl.java
@@ -168,7 +168,7 @@ public class MindmapServiceImpl
     }
 
     @Override
-    @PreAuthorize("hasAnyRole('USER', 'ADMIN') && hasPermission(#mindmap, 'WRITE')")
+    @PreAuthorize("hasPermission(#mindmap, 'WRITE')")
     public void addMindmap(@NotNull Mindmap mindmap, @NotNull User user) {
 
         final String title = mindmap.getTitle();