diff --git a/psalm.xml b/psalm.xml
index 23bfcce17..54a52e176 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -14,4 +14,7 @@
         <directory name="vendor" />
     </ignoreFiles>
   </projectFiles>
+  <issueHandlers>
+    <MixedAssignment errorLevel="suppress" />
+  </issueHandlers>
 </psalm>
diff --git a/src/Command/CommandInterface.php b/src/Command/CommandInterface.php
index 955e28c3b..bd3ac08a7 100644
--- a/src/Command/CommandInterface.php
+++ b/src/Command/CommandInterface.php
@@ -177,6 +177,8 @@ public function alterColumn(string $table, string $column, ColumnInterface|strin
      * @throws Exception
      * @throws InvalidArgumentException
      *
+     * @psalm-param iterable<array-key, array<array-key, mixed>> $rows
+     *
      * Note: The method will quote the `table` and `column` parameters before using them in the generated SQL.
      */
     public function batchInsert(string $table, array $columns, iterable $rows): static;
diff --git a/src/QueryBuilder/AbstractDMLQueryBuilder.php b/src/QueryBuilder/AbstractDMLQueryBuilder.php
index 1d6ea3f49..884a5a1b2 100644
--- a/src/QueryBuilder/AbstractDMLQueryBuilder.php
+++ b/src/QueryBuilder/AbstractDMLQueryBuilder.php
@@ -58,14 +58,12 @@ public function batchInsert(string $table, array $columns, iterable $rows, array
         $columns = $this->getNormalizeColumnNames($columns);
         $columnSchemas = $this->schema->getTableSchema($table)?->getColumns() ?? [];
 
-        /** @psalm-var array[] $rows */
         foreach ($rows as $row) {
             $i = 0;
             $placeholders = [];
-            /** @psalm-var mixed $value */
+
             foreach ($row as $value) {
                 if (isset($columns[$i], $columnSchemas[$columns[$i]])) {
-                    /** @psalm-var mixed $value */
                     $value = $columnSchemas[$columns[$i]]->dbTypecast($value);
                 }
 
@@ -213,15 +211,10 @@ protected function prepareInsertValues(string $table, array|QueryInterface $colu
         $columns = $this->normalizeColumnNames($columns);
         $columnSchemas = $this->schema->getTableSchema($table)?->getColumns() ?? [];
 
-        /**
-         * @psalm-var mixed $value
-         * @psalm-var array<string, mixed> $columns
-         */
         foreach ($columns as $name => $value) {
             $names[] = $this->quoter->quoteColumnName($name);
 
             if (isset($columnSchemas[$name])) {
-                /** @var mixed $value */
                 $value = $columnSchemas[$name]->dbTypecast($value);
             }
 
@@ -251,13 +244,8 @@ protected function prepareUpdateSets(string $table, array $columns, array $param
         $columns = $this->normalizeColumnNames($columns);
         $columnSchemas = $this->schema->getTableSchema($table)?->getColumns() ?? [];
 
-        /**
-         * @psalm-var array<string, mixed> $columns
-         * @psalm-var mixed $value
-         */
         foreach ($columns as $name => $value) {
             if (isset($columnSchemas[$name])) {
-                /** @psalm-var mixed $value */
                 $value = $columnSchemas[$name]->dbTypecast($value);
             }
 
@@ -282,6 +270,7 @@ protected function prepareUpdateSets(string $table, array $columns, array $param
      * @throws JsonException
      * @throws NotSupportedException
      *
+     * @psalm-param array<string, mixed>|QueryInterface $insertColumns
      * @psalm-param Constraint[] $constraints
      *
      * @return array Array of unique, insert and update quoted column names.
@@ -296,7 +285,6 @@ protected function prepareUpsertColumns(
         if ($insertColumns instanceof QueryInterface) {
             [$insertNames] = $this->prepareInsertSelectSubQuery($insertColumns);
         } else {
-            /** @psalm-var array<string, mixed> $insertColumns */
             $insertNames = $this->getNormalizeColumnNames(array_keys($insertColumns));
 
             $insertNames = array_map(
@@ -305,7 +293,6 @@ protected function prepareUpsertColumns(
             );
         }
 
-        /** @psalm-var string[] $uniqueNames */
         $uniqueNames = $this->getTableUniqueColumnNames($table, $insertNames, $constraints);
 
         if ($updateColumns === true) {
@@ -328,7 +315,7 @@ protected function prepareUpsertColumns(
      *
      * @throws JsonException
      *
-     * @return array The quoted column names.
+     * @return string[] The quoted column names.
      *
      * @psalm-param Constraint[] $constraints
     */
@@ -405,6 +392,8 @@ static function (Constraint $constraint) use ($quoter, $columns, &$columnNames):
      * @param array $columns The column data (name => value).
      *
      * @return array The normalized column names (name => value).
+     *
+     * @psalm-return array<string, mixed>
      */
     protected function normalizeColumnNames(array $columns): array
     {
diff --git a/src/QueryBuilder/DMLQueryBuilderInterface.php b/src/QueryBuilder/DMLQueryBuilderInterface.php
index 31b8043cd..b877ac568 100644
--- a/src/QueryBuilder/DMLQueryBuilderInterface.php
+++ b/src/QueryBuilder/DMLQueryBuilderInterface.php
@@ -43,6 +43,7 @@ interface DMLQueryBuilderInterface
      * @return string The batch INSERT SQL statement.
      *
      * @psalm-param string[] $columns
+     * @psalm-param iterable<array-key, array<array-key, mixed>> $rows
      *
      * Note:
      * - That the values in each row must match the corresponding column names.