diff --git a/lib/go/thrift/type.go b/lib/go/thrift/type.go
index 867cd8d..4292ffc 100644
--- a/lib/go/thrift/type.go
+++ b/lib/go/thrift/type.go
@@ -40,7 +40,7 @@
 	LIST   = 15
 	UTF8   = 16
 	UTF16  = 17
-	BINARY = 18
+	//BINARY = 18   wrong and unusued
 )
 
 var typeNames = map[int]string{