diff --git a/config.xsd b/config.xsd
index d6a58c68cb2..5c49e602c8c 100644
--- a/config.xsd
+++ b/config.xsd
@@ -388,6 +388,7 @@
             <xs:element name="PossiblyNullFunctionCall" type="IssueHandlerType" minOccurs="0" />
             <xs:element name="PossiblyNullIterator" type="IssueHandlerType" minOccurs="0" />
             <xs:element name="PossiblyNullOperand" type="IssueHandlerType" minOccurs="0" />
+            <xs:element name="LiteralKeyUnshapedArray" type="IssueHandlerType" minOccurs="0" />
             <xs:element name="PossiblyNullPropertyAssignment" type="IssueHandlerType" minOccurs="0" />
             <xs:element name="PossiblyNullPropertyAssignmentValue" type="PropertyIssueHandlerType" minOccurs="0" />
             <xs:element name="PossiblyNullPropertyFetch" type="IssueHandlerType" minOccurs="0" />
diff --git a/psalm.xml.dist b/psalm.xml.dist
index 1a0aa064f06..15e16fd8118 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -59,6 +59,7 @@
 
     <issueHandlers>
         <PossiblyNullOperand errorLevel="suppress"/>
+        <LiteralKeyUnshapedArray errorLevel="suppress"/>
 
         <DeprecatedMethod>
             <errorLevel type="suppress">
diff --git a/src/Psalm/Internal/Diff/FileDiffer.php b/src/Psalm/Internal/Diff/FileDiffer.php
index e9c06c02ae4..668c6456bc5 100644
--- a/src/Psalm/Internal/Diff/FileDiffer.php
+++ b/src/Psalm/Internal/Diff/FileDiffer.php
@@ -77,8 +77,6 @@ private static function extractDiff(array $trace, int $x, int $y, array $a, arra
     {
         $result = [];
         for ($d = count($trace) - 1; $d >= 0; --$d) {
-            // Todo: fix integer ranges in fors
-            /** @var int<0, max> $d */
             $v = $trace[$d];
             $k = $x - $y;
 
diff --git a/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php b/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php
index 0196abd6471..ceca445a355 100644
--- a/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php
+++ b/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php
@@ -1032,6 +1032,7 @@ private static function handleReturn(
                 && !$storage->signature_return_type
             ) {
                 $new = [];
+                /** @var SplQueue<array<Atomic>> */
                 $queue = new SplQueue;
                 $queue->enqueue($storage->return_type->getAtomicTypes());
                 $queue->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO | SplDoublyLinkedList::IT_MODE_DELETE);
diff --git a/src/Psalm/Internal/Provider/ReturnTypeProvider/ArrayMergeReturnTypeProvider.php b/src/Psalm/Internal/Provider/ReturnTypeProvider/ArrayMergeReturnTypeProvider.php
index a38c52f7453..d9873f0925d 100644
--- a/src/Psalm/Internal/Provider/ReturnTypeProvider/ArrayMergeReturnTypeProvider.php
+++ b/src/Psalm/Internal/Provider/ReturnTypeProvider/ArrayMergeReturnTypeProvider.php
@@ -101,7 +101,6 @@ public static function getFunctionReturnType(FunctionReturnTypeProviderEvent $ev
                     } else {
                         return Type::getArray();
                     }
-                    $unpacked_type_parts = $unpacked_type_parts->getAtomicTypes();
                 } else {
                     $unpacked_type_parts = [$type_part];
                 }
diff --git a/src/Psalm/Internal/Provider/StatementsProvider.php b/src/Psalm/Internal/Provider/StatementsProvider.php
index da27b46304f..7e265ab3940 100644
--- a/src/Psalm/Internal/Provider/StatementsProvider.php
+++ b/src/Psalm/Internal/Provider/StatementsProvider.php
@@ -4,6 +4,7 @@
 
 use PhpParser;
 use PhpParser\ErrorHandler\Collecting;
+use PhpParser\Lexer\Emulative;
 use PhpParser\Node;
 use PhpParser\Node\Arg;
 use PhpParser\Node\Expr\ArrayDimFetch;
@@ -15,6 +16,7 @@
 use PhpParser\Node\Name;
 use PhpParser\Node\Stmt;
 use PhpParser\NodeVisitorAbstract;
+use PhpParser\Parser;
 use Psalm\CodeLocation\ParseErrorLocation;
 use Psalm\Codebase;
 use Psalm\Config;
diff --git a/src/Psalm/Internal/Scope/IfScope.php b/src/Psalm/Internal/Scope/IfScope.php
index bef109183d8..38708e3aae4 100644
--- a/src/Psalm/Internal/Scope/IfScope.php
+++ b/src/Psalm/Internal/Scope/IfScope.php
@@ -62,19 +62,14 @@ class IfScope
      */
     public ?array $negatable_if_types = null;
 
-    /**
-     * @var ClauseConjunction
-     */
-    public array $negated_clauses = [];
+    public ClauseConjunction $negated_clauses;
 
     /**
      * These are the set of clauses that could be applied after the `if`
      * statement, if the `if` statement contains branches with leaving statements,
      * and the else leaves too
-     *
-     * @var ClauseConjunction
      */
-    public array $reasonable_clauses = [];
+    public ClauseConjunction $reasonable_clauses;
 
     /**
      * @var string[]
diff --git a/src/Psalm/Internal/Scope/SwitchScope.php b/src/Psalm/Internal/Scope/SwitchScope.php
index 005823ef842..b3f6369cd6c 100644
--- a/src/Psalm/Internal/Scope/SwitchScope.php
+++ b/src/Psalm/Internal/Scope/SwitchScope.php
@@ -38,10 +38,7 @@ class SwitchScope
 
     public ?PhpParser\Node\Expr $leftover_case_equality_expr = null;
 
-    /**
-     * @var ClauseConjunction
-     */
-    public array $negated_clauses = [];
+    public ClauseConjunction $negated_clauses;
 
     /**
      * @var array<string, bool>|null
diff --git a/tests/Traits/InvalidCodeAnalysisTestTrait.php b/tests/Traits/InvalidCodeAnalysisTestTrait.php
index fc022cd7a75..a6e8eb6d304 100644
--- a/tests/Traits/InvalidCodeAnalysisTestTrait.php
+++ b/tests/Traits/InvalidCodeAnalysisTestTrait.php
@@ -47,12 +47,10 @@ public function testInvalidCode(
             $code = str_replace("\n", "\r\n", $code);
         }
 
-        foreach ($error_levels as $error_level) {
-            $issue_name = $error_level;
-            $error_level = Config::REPORT_SUPPRESS;
-
-            Config::getInstance()->setCustomErrorLevel($issue_name, $error_level);
+        foreach ($error_levels as $issue_name) {
+            Config::getInstance()->setCustomErrorLevel($issue_name, Config::REPORT_SUPPRESS);
         }
+        Config::getInstance()->setCustomErrorLevel('LiteralKeyUnshapedArray', Config::REPORT_SUPPRESS);
 
         $this->project_analyzer->setPhpVersion($php_version, 'tests');
 
diff --git a/tests/Traits/ValidCodeAnalysisTestTrait.php b/tests/Traits/ValidCodeAnalysisTestTrait.php
index ea9e70a4661..4cbd75a3934 100644
--- a/tests/Traits/ValidCodeAnalysisTestTrait.php
+++ b/tests/Traits/ValidCodeAnalysisTestTrait.php
@@ -59,6 +59,8 @@ public function testValidCode(
             Config::getInstance()->setCustomErrorLevel($issue_name, Config::REPORT_SUPPRESS);
         }
 
+        Config::getInstance()->setCustomErrorLevel('LiteralKeyUnshapedArray', Config::REPORT_SUPPRESS);
+
         if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
             $code = str_replace("\n", "\r\n", $code);
         }
diff --git a/tests/TypeReconciliation/RedundantConditionTest.php b/tests/TypeReconciliation/RedundantConditionTest.php
index 8f8afef3607..7b105c7ac3a 100644
--- a/tests/TypeReconciliation/RedundantConditionTest.php
+++ b/tests/TypeReconciliation/RedundantConditionTest.php
@@ -900,18 +900,6 @@ public function get(): ?stdClass{ return new stdClass;}
                         }
                     }',
             ],
-            'countWithNeverValuesInKeyedList' => [
-                'code' => '<?php
-                    /** @var non-empty-list $report_data */
-                    $report_data = [];
-                    if ( array_key_exists( 2, $report_data ) ) {
-                    } elseif ( !empty( $report_data[0]["type"] ) && rand(0,1) ) {
-                        if ( rand(0,1) ) {}
-
-                        if ( count( $report_data ) === 1 ) {
-                        }
-                    }',
-            ],
             'secondFalsyTwiceWithChange' => [
                 'code' => '<?php
                     /**