diff --git a/UPGRADE.md b/UPGRADE.md
index e1335b1441d..31d3fd94955 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -1,5 +1,9 @@
 # Upgrade to 2.9
 
+## Deprecated `Doctrine\DBAL\Types\Type::getDefaultLength()`
+
+This method was never used by DBAL internally. It is now deprecated and will be removed in DBAL 3.0.
+
 ## Deprecated `Doctrine\DBAL\Types\Type::__toString()`
 
 Relying on string representation is discouraged and will be removed in DBAL 3.0.
diff --git a/lib/Doctrine/DBAL/Types/Type.php b/lib/Doctrine/DBAL/Types/Type.php
index 56405dfe909..31f93866b9a 100644
--- a/lib/Doctrine/DBAL/Types/Type.php
+++ b/lib/Doctrine/DBAL/Types/Type.php
@@ -146,7 +146,7 @@ public function convertToPHPValue($value, AbstractPlatform $platform)
      *
      * @return int|null
      *
-     * @todo Needed?
+     * @deprecated Rely on information provided by the platform instead.
      */
     public function getDefaultLength(AbstractPlatform $platform)
     {