diff --git a/kvdb/include/kvdb/kvdb_impl.h b/kvdb/include/kvdb/kvdb_impl.h
index c7537e65e9151c30333a01440de6eeb6ac1bae55..54995822e59b24f2cea8da845d07d41ade8f83e4 100644
--- a/kvdb/include/kvdb/kvdb_impl.h
+++ b/kvdb/include/kvdb/kvdb_impl.h
@@ -32,10 +32,9 @@ public:
     virtual void SetDBName(std::string) = 0;
     virtual void Set(std::string key, std::string value) = 0;
     virtual std::string Get(std::string key) = 0;
-    inline virtual ~AbstractKVDB() = 0;
+    virtual ~AbstractKVDB() = 0;
 };
 
-inline  AbstractKVDB::~AbstractKVDB() {}
 // TODO: Implement RedisKVDB
 //class RedisKVDB;
 
@@ -54,7 +53,6 @@ protected:
     std::chrono::system_clock::time_point time_stamp_;
 };
 
-inline  AbstractDictReader::~AbstractDictReader() {}
 
 class AbstractParamDict {
 public:
@@ -80,7 +78,6 @@ protected:
     AbsKVDBPtr front_db, back_db;
 };
 
-inline  AbstractParamDict::~AbstractParamDict() {}
 
 
 class ParamDictMgr {