diff --git a/noncolorable.go b/noncolorable.go
index 3df68f3..05d6f74 100644
--- a/noncolorable.go
+++ b/noncolorable.go
@@ -42,7 +42,6 @@ loop:
 			continue
 		}
 
-		var buf bytes.Buffer
 		for {
 			c, err := er.ReadByte()
 			if err != nil {
@@ -51,7 +50,6 @@ loop:
 			if ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '@' {
 				break
 			}
-			buf.Write([]byte(string(c)))
 		}
 	}