diff --git a/server.go b/server.go
index 135c4d2..1df68a6 100644
--- a/server.go
+++ b/server.go
@@ -11,7 +11,6 @@ import (
 )
 
 // TODO: make configurable
-var keepAlivePeriod = time.Minute
 var retryConnectMinDelay = time.Minute
 var connectTimeout = 15 * time.Second
 var writeTimeout = 10 * time.Second