diff --git a/pkg/cache/bigcache.go b/pkg/cache/bigcache.go
deleted file mode 100644
index 1287595..0000000
--- a/pkg/cache/bigcache.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package cache
-
-import (
-	"context"
-	"github.com/allegro/bigcache/v3"
-	"github.com/chenyahui/gin-cache/persist"
-	"go.uber.org/zap"
-	"time"
-)
-
-// BigCacheStore local memory cache store
-type BigCacheStore struct {
-	Cache *bigcache.BigCache
-}
-
-// NewBigCacheStore allocate a local memory store with default expiration
-func NewBigCacheStore(defaultExpiration time.Duration, logger *zap.Logger) *BigCacheStore {
-	config := bigcache.Config{
-		Shards:             1024,
-		LifeWindow:         defaultExpiration,
-		CleanWindow:        3 * time.Second,
-		MaxEntriesInWindow: 10000,
-		MaxEntrySize:       1500,
-		StatsEnabled:       false,
-		Verbose:            true,
-		HardMaxCacheSize:   256, // memory limit, value in MB
-		Logger:             NewZapLogger(logger),
-	}
-	cache, err := bigcache.New(context.Background(), config)
-	if err != nil {
-		panic(err)
-	}
-	return &BigCacheStore{
-		Cache: cache,
-	}
-}
-
-// Set put key value pair to memory store, and expire after expireDuration
-func (c *BigCacheStore) Set(key string, value interface{}, expireDuration time.Duration) error {
-	_ = expireDuration
-	payload, err := persist.Serialize(value)
-	if err != nil {
-		return err
-	}
-	return c.Cache.Set(key, payload)
-}
-
-// Delete remove key in memory store, do nothing if key doesn't exist
-func (c *BigCacheStore) Delete(key string) error {
-	return c.Cache.Delete(key)
-}
-
-// Get get key in memory store, if key doesn't exist, return ErrCacheMiss
-func (c *BigCacheStore) Get(key string, value interface{}) error {
-	payload, err := c.Cache.Get(key)
-
-	if err == bigcache.ErrEntryNotFound {
-		return persist.ErrCacheMiss
-	}
-
-	if err != nil {
-		return err
-	}
-	return persist.Deserialize(payload, value)
-}
diff --git a/pkg/cache/logger.go b/pkg/cache/logger.go
deleted file mode 100644
index ebf53c6..0000000
--- a/pkg/cache/logger.go
+++ /dev/null
@@ -1,18 +0,0 @@
-package cache
-
-import (
-	"fmt"
-	"go.uber.org/zap"
-)
-
-type ZapLogger struct {
-	Zap *zap.Logger
-}
-
-func NewZapLogger(zap *zap.Logger) *ZapLogger {
-	return &ZapLogger{zap}
-}
-
-func (c *ZapLogger) Printf(format string, v ...interface{}) {
-	c.Zap.Log(2, fmt.Sprintf(format, v...))
-}