diff --git a/factory_examples_test.go b/factory_examples_test.go
index b4dabd1..2ace3b4 100644
--- a/factory_examples_test.go
+++ b/factory_examples_test.go
@@ -5,7 +5,7 @@ package touchstone
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 
 	"github.com/prometheus/client_golang/prometheus"
@@ -16,7 +16,7 @@ import (
 func ExampleFactory() {
 	var f *Factory
 	_ = fx.New(
-		fx.Logger(log.New(ioutil.Discard, "", 0)),
+		fx.Logger(log.New(io.Discard, "", 0)),
 		Provide(),
 		fx.Populate(&f),
 	)
diff --git a/fx_examples_test.go b/fx_examples_test.go
index 4e53361..130a038 100644
--- a/fx_examples_test.go
+++ b/fx_examples_test.go
@@ -5,7 +5,7 @@ package touchstone
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 
 	"github.com/prometheus/client_golang/prometheus"
@@ -21,7 +21,7 @@ func Example() {
 	}
 
 	_ = fx.New(
-		fx.Logger(log.New(ioutil.Discard, "", 0)),
+		fx.Logger(log.New(io.Discard, "", 0)),
 		fx.Supply(
 			// this Config instance can come from anywhere
 			Config{