diff --git a/doc/configuration.md b/doc/configuration.md
index f9cbf1976..428884e1a 100644
--- a/doc/configuration.md
+++ b/doc/configuration.md
@@ -20,7 +20,6 @@ storage:
 		encrypt: true
 		secure: true
 		v4auth: true
-		chunksize: 32000
 		rootdirectory: /s3/object/name/prefix
 auth:
 	silly:
@@ -118,7 +117,6 @@ storage:
 		encrypt: true
 		secure: true
 		v4auth: true
-		chunksize: 32000
 		rootdirectory: /s3/object/name/prefix
 ```