diff --git a/ch1-basic/ch1-04-func-method-interface.md b/ch1-basic/ch1-04-func-method-interface.md
index c838b5c..3c0f084 100644
--- a/ch1-basic/ch1-04-func-method-interface.md
+++ b/ch1-basic/ch1-04-func-method-interface.md
@@ -71,7 +71,6 @@ func Find(m map[int]int, key int) (value int, ok bool) {
 
 ```go
 func Inc() (v int) {
-	v = 42
 	defer func(){ v++ } ()
 	return 42
 }