diff --git a/plugins/linters/phpstan/fixtures/__snapshots__/basic_v1.11.1.shot b/plugins/linters/phpstan/fixtures/__snapshots__/basic_v1.11.1.shot
deleted file mode 100644
index ec47bf1d1..000000000
--- a/plugins/linters/phpstan/fixtures/__snapshots__/basic_v1.11.1.shot
+++ /dev/null
@@ -1,59 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`linter=phpstan fixture=basic version=1.11.1 1`] = `
-{
-  "issues": [
-    {
-      "category": "CATEGORY_LINT",
-      "documentationUrl": "https://phpstan.org/user-guide/discovering-symbols",
-      "level": "LEVEL_MEDIUM",
-      "location": {
-        "path": "basic.in.php",
-        "range": {
-          "endLine": 7,
-          "startLine": 7,
-        },
-      },
-      "message": "Call to method format() on an unknown class DateTimeImutable.",
-      "mode": "MODE_BLOCK",
-      "ruleKey": "class.notFound",
-      "snippet": "		echo 'Hello, ' . $date->format('j. n. Y');",
-      "snippetWithContext": "<?php declare(strict_types = 1);
-
-class HelloWorld
-{
-	public function sayHello(DateTimeImutable $date): void
-	{
-		echo 'Hello, ' . $date->format('j. n. Y');
-	}
-}",
-      "tool": "phpstan",
-    },
-    {
-      "category": "CATEGORY_LINT",
-      "level": "LEVEL_MEDIUM",
-      "location": {
-        "path": "basic.in.php",
-        "range": {
-          "endLine": 5,
-          "startLine": 5,
-        },
-      },
-      "message": "Parameter $date of method HelloWorld::sayHello() has invalid type DateTimeImutable.",
-      "mode": "MODE_BLOCK",
-      "ruleKey": "class.notFound",
-      "snippet": "	public function sayHello(DateTimeImutable $date): void",
-      "snippetWithContext": "<?php declare(strict_types = 1);
-
-class HelloWorld
-{
-	public function sayHello(DateTimeImutable $date): void
-	{
-		echo 'Hello, ' . $date->format('j. n. Y');
-	}
-}",
-      "tool": "phpstan",
-    },
-  ],
-}
-`;
diff --git a/plugins/linters/phpstan/fixtures/__snapshots__/batched_v1.11.1.shot b/plugins/linters/phpstan/fixtures/__snapshots__/batched_v1.11.1.shot
deleted file mode 100644
index 3d719ce12..000000000
--- a/plugins/linters/phpstan/fixtures/__snapshots__/batched_v1.11.1.shot
+++ /dev/null
@@ -1,110 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`linter=phpstan fixture=batched version=1.11.1 1`] = `
-{
-  "issues": [
-    {
-      "category": "CATEGORY_LINT",
-      "documentationUrl": "https://phpstan.org/user-guide/discovering-symbols",
-      "level": "LEVEL_MEDIUM",
-      "location": {
-        "path": "basic.php",
-        "range": {
-          "endLine": 7,
-          "startLine": 7,
-        },
-      },
-      "message": "Call to method format() on an unknown class DateTimeImutable.",
-      "mode": "MODE_BLOCK",
-      "ruleKey": "class.notFound",
-      "snippet": "		echo 'Hello, ' . $date->format('j. n. Y');",
-      "snippetWithContext": "<?php declare(strict_types = 1);
-
-class HelloWorld
-{
-	public function sayHello(DateTimeImutable $date): void
-	{
-		echo 'Hello, ' . $date->format('j. n. Y');
-	}
-}",
-      "tool": "phpstan",
-    },
-    {
-      "category": "CATEGORY_LINT",
-      "documentationUrl": "https://phpstan.org/user-guide/discovering-symbols",
-      "level": "LEVEL_MEDIUM",
-      "location": {
-        "path": "basic_batched.php",
-        "range": {
-          "endLine": 7,
-          "startLine": 7,
-        },
-      },
-      "message": "Call to method format() on an unknown class DateTimeImutable.",
-      "mode": "MODE_BLOCK",
-      "ruleKey": "class.notFound",
-      "snippet": "		echo 'Hello, ' . $date->format('j. n. Y');",
-      "snippetWithContext": "<?php declare(strict_types = 1);
-
-class HelloWorld
-{
-	public function sayHello(DateTimeImutable $date): void
-	{
-		echo 'Hello, ' . $date->format('j. n. Y');
-	}
-}",
-      "tool": "phpstan",
-    },
-    {
-      "category": "CATEGORY_LINT",
-      "level": "LEVEL_MEDIUM",
-      "location": {
-        "path": "basic.php",
-        "range": {
-          "endLine": 5,
-          "startLine": 5,
-        },
-      },
-      "message": "Parameter $date of method HelloWorld::sayHello() has invalid type DateTimeImutable.",
-      "mode": "MODE_BLOCK",
-      "ruleKey": "class.notFound",
-      "snippet": "	public function sayHello(DateTimeImutable $date): void",
-      "snippetWithContext": "<?php declare(strict_types = 1);
-
-class HelloWorld
-{
-	public function sayHello(DateTimeImutable $date): void
-	{
-		echo 'Hello, ' . $date->format('j. n. Y');
-	}
-}",
-      "tool": "phpstan",
-    },
-    {
-      "category": "CATEGORY_LINT",
-      "level": "LEVEL_MEDIUM",
-      "location": {
-        "path": "basic_batched.php",
-        "range": {
-          "endLine": 5,
-          "startLine": 5,
-        },
-      },
-      "message": "Parameter $date of method HelloWorld::sayHello() has invalid type DateTimeImutable.",
-      "mode": "MODE_BLOCK",
-      "ruleKey": "class.notFound",
-      "snippet": "	public function sayHello(DateTimeImutable $date): void",
-      "snippetWithContext": "<?php declare(strict_types = 1);
-
-class HelloWorld
-{
-	public function sayHello(DateTimeImutable $date): void
-	{
-		echo 'Hello, ' . $date->format('j. n. Y');
-	}
-}",
-      "tool": "phpstan",
-    },
-  ],
-}
-`;