diff --git a/includes/libs/rdbms/lbfactory/LBFactorySingle.php b/includes/libs/rdbms/lbfactory/LBFactorySingle.php
index 8d886c9e14c..7747f043359 100644
--- a/includes/libs/rdbms/lbfactory/LBFactorySingle.php
+++ b/includes/libs/rdbms/lbfactory/LBFactorySingle.php
@@ -96,4 +96,8 @@ class LBFactorySingle extends LBFactory {
 			$callback( $this->lb, ...$params );
 		}
 	}
+
+	public function __destruct() {
+		// do nothing since the connection was injected
+	}
 }