diff --git a/lib/Doctrine/DBAL/Platforms/OraclePlatform.php b/lib/Doctrine/DBAL/Platforms/OraclePlatform.php
index 86f1d5926cb..aa9fccfa495 100644
--- a/lib/Doctrine/DBAL/Platforms/OraclePlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/OraclePlatform.php
@@ -196,7 +196,7 @@ public function getCreateSequenceSQL(Sequence $sequence)
     /**
      * {@inheritDoc}
      */
-    public function getAlterSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
+    public function getAlterSequenceSQL(Sequence $sequence)
     {
         return 'ALTER SEQUENCE ' . $sequence->getQuotedName($this) .
                ' INCREMENT BY ' . $sequence->getAllocationSize()
@@ -206,9 +206,11 @@ public function getAlterSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
     /**
      * Cache definition for sequences
      *
+     * @param Sequence $sequence
+     *
      * @return string
      */
-    private function getSequenceCacheSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
+    private function getSequenceCacheSQL(Sequence $sequence)
     {
         if ($sequence->getCache() === 0) {
             return ' NOCACHE';
diff --git a/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php b/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
index 32bce0f67e3..99bdbfd4c7e 100644
--- a/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
@@ -22,6 +22,7 @@
 use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\ColumnDiff;
 use Doctrine\DBAL\Schema\Index;
+use Doctrine\DBAL\Schema\Sequence;
 use Doctrine\DBAL\Schema\TableDiff;
 use Doctrine\DBAL\Types\BinaryType;
 use Doctrine\DBAL\Types\BlobType;
@@ -604,7 +605,7 @@ public function getCommentOnColumnSQL($tableName, $columnName, $comment)
     /**
      * {@inheritDoc}
      */
-    public function getCreateSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
+    public function getCreateSequenceSQL(Sequence $sequence)
     {
         return 'CREATE SEQUENCE ' . $sequence->getQuotedName($this) .
                ' INCREMENT BY ' . $sequence->getAllocationSize() .
@@ -616,7 +617,7 @@ public function getCreateSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
     /**
      * {@inheritDoc}
      */
-    public function getAlterSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
+    public function getAlterSequenceSQL(Sequence $sequence)
     {
         return 'ALTER SEQUENCE ' . $sequence->getQuotedName($this) .
                ' INCREMENT BY ' . $sequence->getAllocationSize() .
@@ -626,9 +627,11 @@ public function getAlterSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
     /**
      * Cache definition for sequences
      *
+     * @param Sequence $sequence
+     *
      * @return string
      */
-    private function getSequenceCacheSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
+    private function getSequenceCacheSQL(Sequence $sequence)
     {
         if ($sequence->getCache() > 1) {
             return ' CACHE ' . $sequence->getCache();
@@ -642,7 +645,7 @@ private function getSequenceCacheSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
      */
     public function getDropSequenceSQL($sequence)
     {
-        if ($sequence instanceof \Doctrine\DBAL\Schema\Sequence) {
+        if ($sequence instanceof Sequence) {
             $sequence = $sequence->getQuotedName($this);
         }
         return 'DROP SEQUENCE ' . $sequence . ' CASCADE';