diff --git a/src/pika_binlog.cc b/src/pika_binlog.cc
index 6fec8d1ac4..290b419656 100644
--- a/src/pika_binlog.cc
+++ b/src/pika_binlog.cc
@@ -353,9 +353,7 @@ Status Binlog::SetProducerStatus(uint32_t pro_num, uint64_t pro_offset) {
     pro_offset = 0;
   }
 
-  if (queue_ != NULL) {
-    delete queue_;
-  }
+  delete queue_;
 
   std::string init_profile = NewFileName(filename, 0);
   if (slash::FileExists(init_profile)) {
diff --git a/src/pika_binlog_sender_thread.cc b/src/pika_binlog_sender_thread.cc
index cc3f74da7c..9916fd976d 100644
--- a/src/pika_binlog_sender_thread.cc
+++ b/src/pika_binlog_sender_thread.cc
@@ -36,9 +36,7 @@ PikaBinlogSenderThread::~PikaBinlogSenderThread() {
 
   pthread_join(thread_id(), NULL);
 
-  if (queue_ != NULL) {
-    delete queue_;
-  }
+  delete queue_;
   pthread_rwlock_destroy(&rwlock_);
   delete [] backing_store_;
   delete cli_;
diff --git a/src/pika_server.cc b/src/pika_server.cc
index 0bf137ab56..a328fff486 100644
--- a/src/pika_server.cc
+++ b/src/pika_server.cc
@@ -72,9 +72,7 @@ PikaServer::PikaServer() :
 }
 
 PikaServer::~PikaServer() {
-  if (bgsave_engine_ != NULL) {
-    delete bgsave_engine_;
-  }
+  delete bgsave_engine_;
 
   // DispatchThread will use queue of worker thread,
   // so we need to delete dispatch before worker.
@@ -585,9 +583,7 @@ bool PikaServer::InitBgsaveEnv() {
 
 // Prepare bgsave env, need bgsave_protector protect
 bool PikaServer::InitBgsaveEngine() {
-  if (bgsave_engine_ != NULL) {
-    delete bgsave_engine_;
-  }
+  delete bgsave_engine_;
   nemo::Status nemo_s = nemo::BackupEngine::Open(
       nemo::BackupableOptions(bgsave_info_.tmp_path, true, false), 
       &bgsave_engine_);