diff --git a/interceptors/logging/examples/logr/example_test.go b/interceptors/logging/examples/logr/example_test.go
index 1b1701bc2..8f1bf89d3 100644
--- a/interceptors/logging/examples/logr/example_test.go
+++ b/interceptors/logging/examples/logr/example_test.go
@@ -25,7 +25,7 @@ const (
 // This code is simple enough to be copied and not imported.
 func InterceptorLogger(l logr.Logger) logging.Logger {
 	return logging.LoggerFunc(func(_ context.Context, lvl logging.Level, msg string, fields ...any) {
-		l = l.WithValues(fields...)
+		l := l.WithValues(fields...)
 		switch lvl {
 		case logging.LevelDebug:
 			l.V(debugVerbosity).Info(msg)
diff --git a/interceptors/logging/examples/logrus/example_test.go b/interceptors/logging/examples/logrus/example_test.go
index beb8ad843..d0f232f8a 100644
--- a/interceptors/logging/examples/logrus/example_test.go
+++ b/interceptors/logging/examples/logrus/example_test.go
@@ -22,7 +22,7 @@ func InterceptorLogger(l logrus.FieldLogger) logging.Logger {
 			k, v := i.At()
 			f[k] = v
 		}
-		l = l.WithFields(f)
+		l := l.WithFields(f)
 
 		switch lvl {
 		case logging.LevelDebug:
diff --git a/interceptors/logging/examples/zap/example_test.go b/interceptors/logging/examples/zap/example_test.go
index f0568f5cf..fd3041751 100644
--- a/interceptors/logging/examples/zap/example_test.go
+++ b/interceptors/logging/examples/zap/example_test.go
@@ -17,7 +17,7 @@ import (
 func InterceptorLogger(l *zap.Logger) logging.Logger {
 	return logging.LoggerFunc(func(ctx context.Context, lvl logging.Level, msg string, fields ...any) {
 		f := make([]zap.Field, 0, len(fields)/2)
-		
+
 		for i := 0; i < len(fields); i += 2 {
 			key := fields[i]
 			value := fields[i+1]
@@ -33,9 +33,8 @@ func InterceptorLogger(l *zap.Logger) logging.Logger {
 				f = append(f, zap.Any(key.(string), v))
 			}
 		}
-		
-		
-		logger = l.WithOptions(zap.AddCallerSkip(1)).With(f...)
+
+		logger := l.WithOptions(zap.AddCallerSkip(1)).With(f...)
 
 		switch lvl {
 		case logging.LevelDebug: