diff --git a/detection_rules/rule.py b/detection_rules/rule.py
index 667380e40c5..7584b56adaa 100644
--- a/detection_rules/rule.py
+++ b/detection_rules/rule.py
@@ -569,8 +569,6 @@ def validator(self) -> Optional[QueryValidator]:
             return KQLValidator(self.query)
         elif self.language == "eql":
             return EQLValidator(self.query)
-        elif self.language == "esql":
-            return ESQLValidator(self.query)
 
     def validate_query(self, meta: RuleMeta) -> None:
         validator = self.validator