diff --git a/phpstan-baseline.php b/phpstan-baseline.php
index b9d7da5cfdca..73120af49a06 100644
--- a/phpstan-baseline.php
+++ b/phpstan-baseline.php
@@ -861,11 +861,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/Cookie/Cookie.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Call to function is_string\\(\\) with non\\-falsy\\-string will always evaluate to true\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Database/BaseBuilder.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 30,