diff --git a/src/Client.php b/src/Client.php
index 4031ed11e..be0d5b35a 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -14,8 +14,6 @@
 class Client
 {
     private $manager;
-    private $readPreference;
-    private $writeConcern;
 
     /**
      * Constructs a new Client instance.
@@ -77,9 +75,8 @@ public function listDatabases(array $options = array())
     public function selectCollection($databaseName, $collectionName, WriteConcern $writeConcern = null, ReadPreference $readPreference = null)
     {
         $namespace = $databaseName . '.' . $collectionName;
-        // TODO: inherit from Manager options once PHPC-196 is implemented
-        $writeConcern = $writeConcern ?: $this->writeConcern;
-        $readPreference = $readPreference ?: $this->readPreference;
+        $writeConcern = $writeConcern ?: $this->manager->getWriteConcern();
+        $readPreference = $readPreference ?: $this->manager->getReadPreference();
 
         return new Collection($this->manager, $namespace, $writeConcern, $readPreference);
     }
@@ -97,9 +94,8 @@ public function selectCollection($databaseName, $collectionName, WriteConcern $w
      */
     public function selectDatabase($databaseName, WriteConcern $writeConcern = null, ReadPreference $readPreference = null)
     {
-        // TODO: inherit from Manager options once PHPC-196 is implemented
-        $writeConcern = $writeConcern ?: $this->writeConcern;
-        $readPreference = $readPreference ?: $this->readPreference;
+        $writeConcern = $writeConcern ?: $this->manager->getWriteConcern();
+        $readPreference = $readPreference ?: $this->manager->getReadPreference();
 
         return new Database($this->manager, $databaseName, $writeConcern, $readPreference);
     }
diff --git a/src/Operation/Aggregate.php b/src/Operation/Aggregate.php
index 6e12d05d1..1a7ccdf50 100644
--- a/src/Operation/Aggregate.php
+++ b/src/Operation/Aggregate.php
@@ -122,12 +122,8 @@ public function execute(Server $server)
             return $cursor;
         }
 
-        $cursor->setTypeMap(array('document' => 'stdClass'));
         $result = current($cursor->toArray());
 
-        // TODO: Remove this once PHPC-318 is implemented
-        is_array($result) and $result = (object) $result;
-
         if (empty($result->ok)) {
             throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }
diff --git a/src/Operation/Count.php b/src/Operation/Count.php
index fe43eb6de..b50b46e0e 100644
--- a/src/Operation/Count.php
+++ b/src/Operation/Count.php
@@ -85,19 +85,18 @@ public function __construct($databaseName, $collectionName, array $filter = arra
     public function execute(Server $server)
     {
         $cursor = $server->executeCommand($this->databaseName, $this->createCommand());
-        $cursor->setTypeMap(array('root' => 'array', 'document' => 'array'));
         $result = current($cursor->toArray());
 
-        if (empty($result['ok'])) {
-            throw new RuntimeException(isset($result['errmsg']) ? $result['errmsg'] : 'Unknown error');
+        if (empty($result->ok)) {
+            throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }
 
         // Older server versions may return a float
-        if ( ! isset($result['n']) || ! (is_integer($result['n']) || is_float($result['n']))) {
-            throw new UnexpectedValueException('count command did not return an "n" value');
+        if ( ! isset($result->n) || ! (is_integer($result->n) || is_float($result->n))) {
+            throw new UnexpectedValueException('count command did not return a numeric "n" value');
         }
 
-        return (integer) $result['n'];
+        return (integer) $result->n;
     }
 
     /**
diff --git a/src/Operation/CreateCollection.php b/src/Operation/CreateCollection.php
index 562015b1a..ad69e29fa 100644
--- a/src/Operation/CreateCollection.php
+++ b/src/Operation/CreateCollection.php
@@ -102,12 +102,8 @@ public function __construct($databaseName, $collectionName, array $options = arr
     public function execute(Server $server)
     {
         $cursor = $server->executeCommand($this->databaseName, $this->createCommand());
-        $cursor->setTypeMap(array('document' => 'stdClass'));
         $result = current($cursor->toArray());
 
-        // TODO: Remove this once PHPC-318 is implemented
-        is_array($result) and $result = (object) $result;
-
         if (empty($result->ok)) {
             throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }
diff --git a/src/Operation/CreateIndexes.php b/src/Operation/CreateIndexes.php
index 765ce477d..2fa46f92f 100644
--- a/src/Operation/CreateIndexes.php
+++ b/src/Operation/CreateIndexes.php
@@ -91,11 +91,10 @@ private function executeCommand(Server $server)
         ));
 
         $cursor = $server->executeCommand($this->databaseName, $command);
-        $cursor->setTypeMap(array('root' => 'array', 'document' => 'array'));
         $result = current($cursor->toArray());
 
-        if (empty($result['ok'])) {
-            throw new RuntimeException(isset($result['errmsg']) ? $result['errmsg'] : 'Unknown error');
+        if (empty($result->ok)) {
+            throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }
     }
 
diff --git a/src/Operation/Distinct.php b/src/Operation/Distinct.php
index fa4c9bf42..2ed2dfecf 100644
--- a/src/Operation/Distinct.php
+++ b/src/Operation/Distinct.php
@@ -62,12 +62,8 @@ public function __construct($databaseName, $collectionName, $fieldName, array $f
     public function execute(Server $server)
     {
         $cursor = $server->executeCommand($this->databaseName, $this->createCommand());
-        $cursor->setTypeMap(array('document' => 'stdClass'));
         $result = current($cursor->toArray());
 
-        // TODO: Remove this once PHPC-318 is implemented
-        is_array($result) and $result = (object) $result;
-
         if (empty($result->ok)) {
             throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }
diff --git a/src/Operation/DropCollection.php b/src/Operation/DropCollection.php
index 2cd3f5330..7323403b9 100644
--- a/src/Operation/DropCollection.php
+++ b/src/Operation/DropCollection.php
@@ -41,12 +41,8 @@ public function __construct($databaseName, $collectionName)
     public function execute(Server $server)
     {
         $cursor = $server->executeCommand($this->databaseName, new Command(array('drop' => $this->collectionName)));
-        $cursor->setTypeMap(array('document' => 'stdClass'));
         $result = current($cursor->toArray());
 
-        // TODO: Remove this once PHPC-318 is implemented
-        is_array($result) and $result = (object) $result;
-
         if (empty($result->ok)) {
             throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }
diff --git a/src/Operation/DropDatabase.php b/src/Operation/DropDatabase.php
index 7c22fc08c..199d485af 100644
--- a/src/Operation/DropDatabase.php
+++ b/src/Operation/DropDatabase.php
@@ -39,12 +39,8 @@ public function __construct($databaseName)
     public function execute(Server $server)
     {
         $cursor = $server->executeCommand($this->databaseName, new Command(array('dropDatabase' => 1)));
-        $cursor->setTypeMap(array('document' => 'stdClass'));
         $result = current($cursor->toArray());
 
-        // TODO: Remove this once PHPC-318 is implemented
-        is_array($result) and $result = (object) $result;
-
         if (empty($result->ok)) {
             throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }
diff --git a/src/Operation/DropIndexes.php b/src/Operation/DropIndexes.php
index c79b21cdc..8db7a54be 100644
--- a/src/Operation/DropIndexes.php
+++ b/src/Operation/DropIndexes.php
@@ -56,12 +56,8 @@ public function execute(Server $server)
         );
 
         $cursor = $server->executeCommand($this->databaseName, new Command($cmd));
-        $cursor->setTypeMap(array('document' => 'stdClass'));
         $result = current($cursor->toArray());
 
-        // TODO: Remove this once PHPC-318 is implemented
-        is_array($result) and $result = (object) $result;
-
         if (empty($result->ok)) {
             throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }
diff --git a/src/Operation/FindAndModify.php b/src/Operation/FindAndModify.php
index bf0a76bd7..57e61eef6 100644
--- a/src/Operation/FindAndModify.php
+++ b/src/Operation/FindAndModify.php
@@ -118,12 +118,8 @@ public function __construct($databaseName, $collectionName, array $options)
     public function execute(Server $server)
     {
         $cursor = $server->executeCommand($this->databaseName, $this->createCommand());
-        $cursor->setTypeMap(array('document' => 'stdClass'));
         $result = current($cursor->toArray());
 
-        // TODO: Remove this once PHPC-318 is implemented
-        is_array($result) and $result = (object) $result;
-
         if (empty($result->ok)) {
             throw new RuntimeException(isset($result->errmsg) ? $result->errmsg : 'Unknown error');
         }