diff --git a/lib/Versions/ExpireManager.php b/lib/Versions/ExpireManager.php
index 52149fdcf..7747454e9 100644
--- a/lib/Versions/ExpireManager.php
+++ b/lib/Versions/ExpireManager.php
@@ -57,11 +57,7 @@ protected function getAutoExpireList(int $time, array $versions): array {
 
 		$interval = 1;
 		$step = self::MAX_VERSIONS_PER_INTERVAL[$interval]['step'];
-		if (self::MAX_VERSIONS_PER_INTERVAL[$interval]['intervalEndsAfter'] === -1) {
-			$nextInterval = -1;
-		} else {
-			$nextInterval = $time - self::MAX_VERSIONS_PER_INTERVAL[$interval]['intervalEndsAfter'];
-		}
+		$nextInterval = $time - self::MAX_VERSIONS_PER_INTERVAL[$interval]['intervalEndsAfter'];
 
 		/** @var IVersion $firstVersion */
 		$firstVersion = array_shift($versions);
diff --git a/tests/psalm-baseline.xml b/tests/psalm-baseline.xml
index 5ba587881..96f296ab5 100644
--- a/tests/psalm-baseline.xml
+++ b/tests/psalm-baseline.xml
@@ -5,10 +5,4 @@
       <code><![CDATA[IteratorDirectory]]></code>
     </UndefinedClass>
   </file>
-  <file src="lib/Versions/ExpireManager.php">
-    <TypeDoesNotContainType>
-      <code><![CDATA[self::MAX_VERSIONS_PER_INTERVAL[$interval]['intervalEndsAfter'] === -1]]></code>
-      <code><![CDATA[self::MAX_VERSIONS_PER_INTERVAL[$interval]['intervalEndsAfter'] === -1]]></code>
-    </TypeDoesNotContainType>
-  </file>
 </files>