diff --git a/lib/Doctrine/ORM/Persisters/Collection/ManyToManyPersister.php b/lib/Doctrine/ORM/Persisters/Collection/ManyToManyPersister.php
index 8ebf68a16..81aee6584 100644
--- a/lib/Doctrine/ORM/Persisters/Collection/ManyToManyPersister.php
+++ b/lib/Doctrine/ORM/Persisters/Collection/ManyToManyPersister.php
@@ -26,7 +26,7 @@ use Doctrine\ORM\Persisters\SqlValueVisitor;
 use Doctrine\ORM\PersistentCollection;
 use Doctrine\ORM\Query;
 use Doctrine\ORM\UnitOfWork;
-use Doctrine\ORM\Utility\PersisterHelper as Helper;
+use Doctrine\ORM\Utility\PersisterHelper;
 
 /**
  * Persister for many-to-many collections.
@@ -386,7 +386,7 @@ class ManyToManyPersister extends AbstractCollectionPersister
                 : $sourceClass->getFieldForColumn($columnName);
 
             $params[] = $identifier[$field];
-            $types[]  = Helper::getTypeOfField($field, $sourceClass, $this->em);
+            $types[]  = PersisterHelper::getTypeOfField($field, $sourceClass, $this->em);
         }
 
         return array($params, $types);
@@ -569,7 +569,7 @@ class ManyToManyPersister extends AbstractCollectionPersister
 
             $whereClauses[] = 'tr.' . $columnName . ' = ?';
             $params[] = $key;
-            $types[] = Helper::getTypeOfColumn($columnName, $targetClass, $this->em);
+            $types[] = PersisterHelper::getTypeOfColumn($columnName, $targetClass, $this->em);
         }
 
         foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
@@ -581,7 +581,7 @@ class ManyToManyPersister extends AbstractCollectionPersister
             } elseif (!$joinNeeded) {
                 $whereClauses[] = 't.' . $joinTableColumn . ' = ?';
                 $params[] = $key;
-                $types[] = Helper::getTypeOfColumn($column, $targetClass, $this->em);
+                $types[] = PersisterHelper::getTypeOfColumn($column, $targetClass, $this->em);
             }
         }
 
@@ -637,7 +637,7 @@ class ManyToManyPersister extends AbstractCollectionPersister
                 $params[] = $targetClass->containsForeignIdentifier
                     ? $targetId[$targetClass->getFieldForColumn($column)]
                     : $targetId[$targetClass->fieldNames[$column]];
-                $types[] = Helper::getTypeOfColumn($column, $targetClass, $this->em);
+                $types[] = PersisterHelper::getTypeOfColumn($column, $targetClass, $this->em);
 
                 continue;
             }
diff --git a/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php b/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php
index 740c09b40..4d78abf43 100644
--- a/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php
+++ b/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php
@@ -863,7 +863,7 @@ class BasicEntityPersister implements EntityPersister
         list($params, $types) = $valueVisitor->getParamsAndTypes();
 
         foreach ($params as $param) {
-            $sqlParams[] = Helper::getValue($param, $this->em);
+            $sqlParams[] = PersisterHelper::getValue($param, $this->em);
         }
 
         foreach ($types as $type) {
@@ -1312,7 +1312,7 @@ class BasicEntityPersister implements EntityPersister
             $columnList[]     = $this->getSQLTableAlias($class->name, ($alias == 'r' ? '' : $alias) )
                                 . '.' . $quotedColumn . ' AS ' . $resultColumnName;
 
-            $type = Helper::getTypeOfColumn($joinColumn['referencedColumnName'], $targetClass, $this->em);
+            $type = PersisterHelper::getTypeOfColumn($joinColumn['referencedColumnName'], $targetClass, $this->em);
 
             $this->rsm->addMetaResult($alias, $resultColumnName, $quotedColumn, $isIdentifier, $type);
         }
@@ -1764,7 +1764,7 @@ class BasicEntityPersister implements EntityPersister
             }
 
             $types[]  = $this->getType($field, $value, $this->class);
-            $params[] = Helper::getValue($value, $this->em);
+            $params[] = PersisterHelper::getValue($value, $this->em);
         }
 
         return array($params, $types);
@@ -1789,7 +1789,7 @@ class BasicEntityPersister implements EntityPersister
             }
 
             $types[]  = $this->getType($criterion['field'], $criterion['value'], $criterion['class']);
-            $params[] = Helper::getValue($criterion['value'], $this->em);
+            $params[] = PersisterHelper::getValue($criterion['value'], $this->em);
         }
 
         return array($params, $types);