diff --git a/tests/phpstan/configs/ds-bugs.neon b/tests/phpstan/configs/ds-bugs.neon
deleted file mode 100644
index 48277f766..000000000
--- a/tests/phpstan/configs/ds-bugs.neon
+++ /dev/null
@@ -1,7 +0,0 @@
-parameters:
-	ignoreErrors:
-		-
-			message: "#^Cannot access offset int on Ds\\\\Deque\\<pocketmine\\\\item\\\\WritableBookPage\\>\\.$#"
-			count: 2
-			path: ../../../src/item/WritableBookBase.php
-