diff --git a/logger/logger.go b/logger/logger.go
deleted file mode 100644
index 97addc0c..00000000
--- a/logger/logger.go
+++ /dev/null
@@ -1,68 +0,0 @@
-package logger
-
-import (
-	"os"
-
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-)
-
-type Logger struct {
-	*zap.Logger
-}
-
-func New(level, output string) *Logger {
-	var zapLevel zapcore.Level
-	switch level {
-	case "debug":
-		zapLevel = zapcore.DebugLevel
-	case "info":
-		zapLevel = zapcore.InfoLevel
-	case "warn":
-		zapLevel = zapcore.WarnLevel
-	case "error":
-		zapLevel = zapcore.ErrorLevel
-	default:
-		zapLevel = zapcore.InfoLevel
-	}
-
-	config := zap.NewProductionConfig()
-	config.Level = zap.NewAtomicLevelAt(zapLevel)
-	config.EncoderConfig.TimeKey = "timestamp"
-	config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
-
-	var writeSyncer zapcore.WriteSyncer
-	if output == "stdout" {
-		writeSyncer = zapcore.AddSync(os.Stdout)
-	} else {
-		file, err := os.OpenFile(output, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
-		if err != nil {
-			writeSyncer = zapcore.AddSync(os.Stdout)
-		} else {
-			writeSyncer = zapcore.AddSync(file)
-		}
-	}
-
-	core := zapcore.NewCore(
-		zapcore.NewJSONEncoder(config.EncoderConfig),
-		writeSyncer,
-		zapLevel,
-	)
-
-	logger := zap.New(core, zap.AddCaller(), zap.AddStacktrace(zapcore.ErrorLevel))
-
-	return &Logger{Logger: logger}
-}
-
-func (l *Logger) Fatal(msg string, fields ...interface{}) {
-    zapFields := make([]zap.Field, 0, len(fields))
-    for _, f := range fields {
-        switch v := f.(type) {
-        case error:
-            zapFields = append(zapFields, zap.Error(v))
-        default:
-            zapFields = append(zapFields, zap.Any("field", v))
-        }
-    }
-    l.Logger.Fatal(msg, zapFields...)
-}