diff --git a/lib/Doctrine/ORM/Internal/Hydration/HydrationException.php b/lib/Doctrine/ORM/Internal/Hydration/HydrationException.php
index a50753e85e..d807c0eca2 100644
--- a/lib/Doctrine/ORM/Internal/Hydration/HydrationException.php
+++ b/lib/Doctrine/ORM/Internal/Hydration/HydrationException.php
@@ -84,17 +84,17 @@ public static function missingDiscriminatorMetaMappingColumn($entityName, $discr
 
     /**
      * @param string   $discrValue
-     * @param string[] $discrMap
-     * @psalm-param array<string, string> $discrMap
+     * @param string[] $discrValues
+     * @psalm-param list<string> $discrValues
      *
      * @return HydrationException
      */
-    public static function invalidDiscriminatorValue($discrValue, $discrMap)
+    public static function invalidDiscriminatorValue($discrValue, $discrValues)
     {
         return new self(sprintf(
             'The discriminator value "%s" is invalid. It must be one of "%s".',
             $discrValue,
-            implode('", "', $discrMap)
+            implode('", "', $discrValues)
         ));
     }
 }
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index f8422b1f0c..0cb7f7c0e1 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -170,16 +170,6 @@ parameters:
 			count: 1
 			path: lib/Doctrine/ORM/Id/TableGenerator.php
 
-		-
-			message: "#^Parameter \\#2 \\$discrMap of static method Doctrine\\\\ORM\\\\Internal\\\\Hydration\\\\HydrationException\\:\\:invalidDiscriminatorValue\\(\\) expects array\\<string, string\\>, array\\<int, string\\> given\\.$#"
-			count: 1
-			path: lib/Doctrine/ORM/Internal/Hydration/ObjectHydrator.php
-
-		-
-			message: "#^Parameter \\#2 \\$discrMap of static method Doctrine\\\\ORM\\\\Internal\\\\Hydration\\\\HydrationException\\:\\:invalidDiscriminatorValue\\(\\) expects array\\<string, string\\>, array\\<int, string\\> given\\.$#"
-			count: 1
-			path: lib/Doctrine/ORM/Internal/Hydration/SimpleObjectHydrator.php
-
 		-
 			message: "#^Offset 'indexes' on array\\{name\\: string, schema\\: string, indexes\\: array, uniqueConstraints\\: array, options\\: array\\<string, mixed\\>, quoted\\?\\: bool\\} in isset\\(\\) always exists and is not nullable\\.$#"
 			count: 1
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 1a5ef25ad7..d983c41dee 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -421,9 +421,6 @@
     </RedundantConditionGivenDocblockType>
   </file>
   <file src="lib/Doctrine/ORM/Internal/Hydration/ObjectHydrator.php">
-    <InvalidScalarArgument occurrences="1">
-      <code>array_keys($discrMap)</code>
-    </InvalidScalarArgument>
     <PossiblyFalseArgument occurrences="1">
       <code>$index</code>
     </PossiblyFalseArgument>
@@ -452,9 +449,6 @@
     </PossiblyUndefinedArrayOffset>
   </file>
   <file src="lib/Doctrine/ORM/Internal/Hydration/SimpleObjectHydrator.php">
-    <InvalidScalarArgument occurrences="1">
-      <code>array_keys($discrMap)</code>
-    </InvalidScalarArgument>
     <PropertyNotSetInConstructor occurrences="1">
       <code>$class</code>
     </PropertyNotSetInConstructor>