diff --git a/Documentation/configuration.md b/Documentation/configuration.md
index 368fdd319..1fe07ac59 100644
--- a/Documentation/configuration.md
+++ b/Documentation/configuration.md
@@ -31,7 +31,6 @@ configuration files.
 * `-cpuprofile` - The path to a file to output CPU profile data. Enables CPU profiling when present.
 * `-data-dir` - The directory to store log and snapshot. Defaults to the current working directory.
 * `-max-result-buffer` - The max size of result buffer. Defaults to `1024`.
-* `-max-cluster-size` - The max size of the cluster. Defaults to `9`.
 * `-max-retry-attempts` - The max retry attempts when trying to join a cluster. Defaults to `3`.
 * `-peer-addr` - The advertised public hostname:port for server communication. Defaults to `127.0.0.1:7001`.
 * `-peer-bind-addr` - The listening hostname for server communication. Defaults to advertised IP.
diff --git a/config/config.go b/config/config.go
index 167c9b847..e181cd3d6 100644
--- a/config/config.go
+++ b/config/config.go
@@ -36,7 +36,6 @@ var newFlagNameLookup = map[string]string{
 	"d":                      "data-dir",
 	"m":                      "max-result-buffer",
 	"r":                      "max-retry-attempts",
-	"maxsize":                "max-cluster-size",
 	"clientCAFile":           "ca-file",
 	"clientCert":             "cert-file",
 	"clientKey":              "key-file",
diff --git a/server/usage.go b/server/usage.go
index 874b1ea07..3ae157029 100644
--- a/server/usage.go
+++ b/server/usage.go
@@ -53,7 +53,6 @@ Other Options:
   -max-result-buffer   Max size of the result buffer.
   -max-retry-attempts  Number of times a node will try to join a cluster.
   -retry-interval      Seconds to wait between cluster join retry attempts.
-  -max-cluster-size    Maximum number of nodes in the cluster.
   -snapshot=false      Disable log snapshots
   -snapshot-count      Number of transactions before issuing a snapshot.
 `