diff --git a/src/log/slog/example_test.go b/src/log/slog/example_test.go
index 06a27506486..78b60b3649a 100644
--- a/src/log/slog/example_test.go
+++ b/src/log/slog/example_test.go
@@ -17,9 +17,7 @@ func ExampleGroup() {
 	// ...
 
 	logger := slog.New(slog.HandlerOptions{ReplaceAttr: slogtest.RemoveTime}.NewTextHandler(os.Stdout))
-	slog.SetDefault(logger)
-
-	slog.Info("finished",
+	logger.Info("finished",
 		slog.Group("req",
 			slog.String("method", r.Method),
 			slog.String("url", r.URL.String())),
diff --git a/src/log/slog/example_wrap_test.go b/src/log/slog/example_wrap_test.go
index 95a493400d6..1aad16dc5a1 100644
--- a/src/log/slog/example_wrap_test.go
+++ b/src/log/slog/example_wrap_test.go
@@ -16,20 +16,17 @@ import (
 
 // Infof is an example of a user-defined logging function that wraps slog.
 // The log record contains the source position of the caller of Infof.
-func Infof(format string, args ...any) {
-	l := slog.Default()
-	if !l.Enabled(context.Background(), slog.LevelInfo) {
+func Infof(logger *slog.Logger, format string, args ...any) {
+	if !logger.Enabled(context.Background(), slog.LevelInfo) {
 		return
 	}
 	var pcs [1]uintptr
 	runtime.Callers(2, pcs[:]) // skip [Callers, Infof]
 	r := slog.NewRecord(time.Now(), slog.LevelInfo, fmt.Sprintf(format, args...), pcs[0])
-	_ = l.Handler().Handle(context.Background(), r)
+	_ = logger.Handler().Handle(context.Background(), r)
 }
 
 func Example_wrapping() {
-	defer func(l *slog.Logger) { slog.SetDefault(l) }(slog.Default())
-
 	replace := func(groups []string, a slog.Attr) slog.Attr {
 		// Remove time.
 		if a.Key == slog.TimeKey && len(groups) == 0 {
@@ -42,9 +39,8 @@ func Example_wrapping() {
 		return a
 	}
 	logger := slog.New(slog.HandlerOptions{AddSource: true, ReplaceAttr: replace}.NewTextHandler(os.Stdout))
-	slog.SetDefault(logger)
-	Infof("message, %s", "formatted")
+	Infof(logger, "message, %s", "formatted")
 
 	// Output:
-	// level=INFO source=example_wrap_test.go:46 msg="message, formatted"
+	// level=INFO source=example_wrap_test.go:42 msg="message, formatted"
 }