diff --git a/logger/logger.go b/logger/logger.go
index 7064bdbd..59a9c80b 100644
--- a/logger/logger.go
+++ b/logger/logger.go
@@ -32,33 +32,19 @@ type Logger interface {
 	// Fields set fields to always be logged with keyval pairs
 	Fields(fields ...interface{}) Logger
 	// Info level message
-	Info(ctx context.Context, args ...interface{})
-	// Trace level message
-	Trace(ctx context.Context, args ...interface{})
-	// Debug level message
-	Debug(ctx context.Context, args ...interface{})
-	// Warn level message
-	Warn(ctx context.Context, args ...interface{})
-	// Error level message
-	Error(ctx context.Context, args ...interface{})
-	// Fatal level message
-	Fatal(ctx context.Context, args ...interface{})
-	// Infof level message
-	Infof(ctx context.Context, msg string, args ...interface{})
+	Info(ctx context.Context, msg string, args ...interface{})
 	// Tracef level message
-	Tracef(ctx context.Context, msg string, args ...interface{})
+	Trace(ctx context.Context, msg string, args ...interface{})
 	// Debug level message
-	Debugf(ctx context.Context, msg string, args ...interface{})
+	Debug(ctx context.Context, msg string, args ...interface{})
 	// Warn level message
-	Warnf(ctx context.Context, msg string, args ...interface{})
+	Warn(ctx context.Context, msg string, args ...interface{})
 	// Error level message
-	Errorf(ctx context.Context, msg string, args ...interface{})
+	Error(ctx context.Context, msg string, args ...interface{})
 	// Fatal level message
-	Fatalf(ctx context.Context, msg string, args ...interface{})
+	Fatal(ctx context.Context, msg string, args ...interface{})
 	// Log logs message with needed level
-	Log(ctx context.Context, level Level, args ...interface{})
-	// Logf logs message with needed level
-	Logf(ctx context.Context, level Level, msg string, args ...interface{})
+	Log(ctx context.Context, level Level, msg string, args ...interface{})
 	// String returns the name of logger
 	String() string
 }
@@ -66,64 +52,34 @@ type Logger interface {
 // Field contains keyval pair
 type Field interface{}
 
-// Info writes msg to default logger on info level
-func Info(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Info(ctx, args...)
+// Info writes formatted msg to default logger on info level
+func Info(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Info(ctx, msg, args...)
 }
 
-// Error writes msg to default logger on error level
-func Error(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Error(ctx, args...)
-}
-
-// Debug writes msg to default logger on debug level
-func Debug(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Debug(ctx, args...)
-}
-
-// Warn writes msg to default logger on warn level
-func Warn(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Warn(ctx, args...)
-}
-
-// Trace writes msg to default logger on trace level
-func Trace(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Trace(ctx, args...)
-}
-
-// Fatal writes msg to default logger on fatal level
-func Fatal(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Fatal(ctx, args...)
-}
-
-// Infof writes formatted msg to default logger on info level
-func Infof(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Infof(ctx, msg, args...)
-}
-
-// Errorf writes formatted msg to default logger on error level
-func Errorf(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Errorf(ctx, msg, args...)
+// Error writes formatted msg to default logger on error level
+func Error(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Error(ctx, msg, args...)
 }
 
 // Debugf writes formatted msg to default logger on debug level
 func Debugf(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Debugf(ctx, msg, args...)
+	DefaultLogger.Debug(ctx, msg, args...)
 }
 
-// Warnf writes formatted msg to default logger on warn level
-func Warnf(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Warnf(ctx, msg, args...)
+// Warn writes formatted msg to default logger on warn level
+func Warn(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Warn(ctx, msg, args...)
 }
 
-// Tracef writes formatted msg to default logger on trace level
-func Tracef(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Tracef(ctx, msg, args...)
+// Trace writes formatted msg to default logger on trace level
+func Trace(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Trace(ctx, msg, args...)
 }
 
-// Fatalf writes formatted msg to default logger on fatal level
-func Fatalf(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Fatalf(ctx, msg, args...)
+// Fatal writes formatted msg to default logger on fatal level
+func Fatal(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Fatal(ctx, msg, args...)
 }
 
 // V returns true if passed level enabled in default logger
diff --git a/logger/slog.go b/logger/slog.go
index 5031900a..8fb4554e 100644
--- a/logger/slog.go
+++ b/logger/slog.go
@@ -2,7 +2,6 @@ package logger
 
 import (
 	"context"
-	"fmt"
 	"os"
 
 	"go.unistack.org/micro/v4/options"
@@ -133,70 +132,37 @@ func (s *slogLogger) Init(opts ...options.Option) error {
 	return nil
 }
 
-func (s *slogLogger) Log(ctx context.Context, lvl Level, args ...any) {
+func (s *slogLogger) Log(ctx context.Context, lvl Level, msg string, args ...any) {
 	if !s.V(lvl) {
 		return
 	}
 	slvl := loggerToSlogLevel(lvl)
-	msg := fmt.Sprint(args...)
-	s.slog.Log(ctx, slvl, msg)
+	s.slog.Log(ctx, slvl, msg, args...)
 }
 
-func (s *slogLogger) Logf(ctx context.Context, lvl Level, format string, args ...any) {
-	if !s.V(lvl) {
-		return
-	}
-	slvl := loggerToSlogLevel(lvl)
-	s.slog.Log(ctx, slvl, format, args...)
+func (s *slogLogger) Info(ctx context.Context, msg string, args ...interface{}) {
+	s.Log(ctx, InfoLevel, msg, args...)
 }
 
-func (s *slogLogger) Info(ctx context.Context, args ...any) {
-	s.Log(ctx, InfoLevel, args...)
+func (s *slogLogger) Debug(ctx context.Context, msg string, args ...any) {
+	s.Log(ctx, DebugLevel, msg, args...)
 }
 
-func (s *slogLogger) Infof(ctx context.Context, format string, args ...interface{}) {
-	s.Logf(ctx, InfoLevel, format, args...)
+func (s *slogLogger) Trace(ctx context.Context, msg string, args ...interface{}) {
+	s.Log(ctx, TraceLevel, msg, args...)
 }
 
-func (s *slogLogger) Debug(ctx context.Context, args ...any) {
-	s.Log(ctx, DebugLevel, args...)
+func (s *slogLogger) Error(ctx context.Context, msg string, args ...any) {
+	s.Log(ctx, ErrorLevel, msg, args...)
 }
 
-func (s *slogLogger) Debugf(ctx context.Context, format string, args ...any) {
-	s.Logf(ctx, DebugLevel, format, args...)
-}
-
-func (s *slogLogger) Error(ctx context.Context, args ...any) {
-	s.Log(ctx, ErrorLevel, args...)
-}
-
-func (s *slogLogger) Trace(ctx context.Context, args ...interface{}) {
-	s.Log(ctx, TraceLevel, args...)
-}
-
-func (s *slogLogger) Tracef(ctx context.Context, msg string, args ...interface{}) {
-	s.Logf(ctx, TraceLevel, msg, args...)
-}
-
-func (s *slogLogger) Errorf(ctx context.Context, format string, args ...any) {
-	s.Logf(ctx, ErrorLevel, format, args...)
-}
-
-func (s *slogLogger) Fatal(ctx context.Context, args ...any) {
-	s.Log(ctx, FatalLevel, args...)
-}
-
-func (s *slogLogger) Fatalf(ctx context.Context, msg string, args ...interface{}) {
-	s.Logf(ctx, FatalLevel, msg, args...)
+func (s *slogLogger) Fatal(ctx context.Context, msg string, args ...interface{}) {
+	s.Log(ctx, FatalLevel, msg, args...)
 	os.Exit(1)
 }
 
-func (s *slogLogger) Warn(ctx context.Context, args ...any) {
-	s.Log(ctx, WarnLevel, args...)
-}
-
-func (s *slogLogger) Warnf(ctx context.Context, format string, args ...any) {
-	s.Logf(ctx, WarnLevel, format, args...)
+func (s *slogLogger) Warn(ctx context.Context, msg string, args ...any) {
+	s.Log(ctx, WarnLevel, msg, args...)
 }
 
 func (s *slogLogger) String() string {