diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 7a6d55420..b9f153751 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -471,7 +471,7 @@
       <code>$this-&gt;options['writeConcern']</code>
     </MixedArgument>
     <MixedAssignment occurrences="5">
-      <code>$cmd['writeConcern']</code>
+      <code>$cmd['comment']</code>
       <code>$deleteOptions['hint']</code>
       <code>$options['comment']</code>
       <code>$options['session']</code>
diff --git a/src/Operation/Aggregate.php b/src/Operation/Aggregate.php
index 357b38ec5..4d6c5867c 100644
--- a/src/Operation/Aggregate.php
+++ b/src/Operation/Aggregate.php
@@ -300,9 +300,6 @@ public function getCommandDocument()
     {
         $cmd = $this->createCommandDocument();
 
-        // The 'explain' option is incompatible with the explain command
-        unset($cmd['explain']);
-
         // Read concern can change the query plan
         if (isset($this->options['readConcern'])) {
             $cmd['readConcern'] = $this->options['readConcern'];
diff --git a/src/Operation/Find.php b/src/Operation/Find.php
index e88df3146..8725d37e8 100644
--- a/src/Operation/Find.php
+++ b/src/Operation/Find.php
@@ -338,11 +338,6 @@ public function getCommandDocument()
             return $cmd;
         }
 
-        // Read concern can change the query plan
-        if (isset($this->options['readConcern'])) {
-            $cmd['readConcern'] = $this->options['readConcern'];
-        }
-
         // maxAwaitTimeMS is a Query level option so should not be considered here
         unset($options['maxAwaitTimeMS']);
 
diff --git a/tests/Operation/AggregateTest.php b/tests/Operation/AggregateTest.php
index 1c8af61fe..f72fc5a22 100644
--- a/tests/Operation/AggregateTest.php
+++ b/tests/Operation/AggregateTest.php
@@ -122,7 +122,7 @@ public function testExplainableCommandDocument(): void
             'readConcern' => new ReadConcern(ReadConcern::LOCAL),
             'useCursor' => true,
             // Intentionally omitted options
-            'explain' => true,
+            // The "explain" option is illegal
             'readPreference' => new ReadPreference(ReadPreference::SECONDARY_PREFERRED),
             'typeMap' => ['root' => 'array', 'document' => 'array'],
             'writeConcern' => new WriteConcern(0),
@@ -140,6 +140,7 @@ public function testExplainableCommandDocument(): void
             'maxTimeMS' => 100,
             'readConcern' => new ReadConcern(ReadConcern::LOCAL),
             'let' => (object) ['a' => 1],
+            'cursor' => ['batchSize' => 100],
         ];
         $this->assertEquals($expected, $operation->getCommandDocument());
     }