diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index b0be93474..19eb0e61d 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -12,13 +12,6 @@ serialize =
 
 [bumpversion:file:scrapy/VERSION]
 
-[bumpversion:part:prerel]
-optional_value = gamma
-values = 
-	dev
-	rc
-	gamma
-
 [bumpversion:part:prerelversion]
 values = 
 	1