diff --git a/bin/xtmjoin b/bin/xtmjoin
index 00a8922..9ca02d1 100755
--- a/bin/xtmjoin
+++ b/bin/xtmjoin
@@ -14,7 +14,6 @@ class XtmJoin
 
 	attr_reader :opts
 
-	BUFFER_MAX_SIZE = 4096 * 4096
 
 	def initialize args
 		@args = []