diff --git a/retry/retry_example_test.go b/retry/retry_example_test.go
index 3ecb856..ac1d003 100644
--- a/retry/retry_example_test.go
+++ b/retry/retry_example_test.go
@@ -19,15 +19,11 @@ func ExampleContext() {
 		return errors.New("error occurs")
 	}
 
-	err := Retry(increaseNumber,
+	Retry(increaseNumber,
 		RetryDuration(time.Microsecond*50),
 		Context(ctx),
 	)
 
-	if err != nil {
-		return
-	}
-
 	fmt.Println(number)
 
 	// Output: