diff --git a/service/native/src/display_power_mgr_service.cpp b/service/native/src/display_power_mgr_service.cpp
index 2dd15ed5c5221ee4c152a44852a8bc452d8ae522..8d95734a223c4c65f226caf7a2fa11f16c86990a 100644
--- a/service/native/src/display_power_mgr_service.cpp
+++ b/service/native/src/display_power_mgr_service.cpp
@@ -379,7 +379,6 @@ void DisplayPowerMgrService::InitSensors()
     if (!supportLightSensor_) {
         DISPLAY_HILOGI(FEAT_BRIGHTNESS, "AMBIENT_LIGHT not support");
     }
-    free(sensorInfo);
 }
 
 void DisplayPowerMgrService::AmbientLightCallback(SensorEvent *event)