diff --git a/src/mynteye/device/motions.cc b/src/mynteye/device/motions.cc
index cd1a8d4..7a2bcd4 100644
--- a/src/mynteye/device/motions.cc
+++ b/src/mynteye/device/motions.cc
@@ -36,7 +36,6 @@ void Motions::SetMotionCallback(motion_callback_t callback) {
   if (motion_callback_) {
     channels_->SetImuCallback([this](const ImuPacket &packet) {
       if (!motion_callback_ && !motion_datas_enabled_) {
-        LOG(WARNING) << "";
         return;
       }
       for (auto &&seg : packet.segments) {
@@ -57,7 +56,9 @@ void Motions::SetMotionCallback(motion_callback_t callback) {
 
         std::lock_guard<std::mutex> _(mtx_datas_);
         motion_data_t data = {imu};
-        motion_datas_.push_back(data);
+        if (motion_datas_enabled_) {
+          motion_datas_.push_back(data);
+        }
 
         motion_callback_(data);
       }