diff --git a/NAV_Algorithms/data_structures.h b/NAV_Algorithms/data_structures.h
index 42d09ca..fb8f0c7 100644
--- a/NAV_Algorithms/data_structures.h
+++ b/NAV_Algorithms/data_structures.h
@@ -31,26 +31,16 @@
 
 #pragma pack(push, 1)
 
+
 //! contains all calibrated data from the sensors
 typedef struct
 {
   float3vector acc;   //XSENSE MTi1 IMU
   float3vector gyro;  //XSENSE MTi1 IMU
   float3vector mag;   //XSENSE MTi1 IMU
-#if WITH_LOWCOST_SENSORS
-  float3vector lowcost_acc;
-  float3vector lowcost_gyro;
-  float3vector lowcost_mag;
-#endif
   float pitot_pressure;
   float static_pressure;
-#if WITH_LOWCOST_SENSORS
-  float absolute_pressure;  //this is the second ms5611 on the PCB.
-#endif
   float static_sensor_temperature;  //log temperature to monitor temperature in enclosure
-#if WITH_LOWCOST_SENSORS
-  float absolute_sensor_temperature;
-#endif
   float supply_voltage;  //Measuring the supply voltage. Might be related to sensor noise.
 #if WITH_DENSITY_DATA
   float outside_air_temperature; //!< OAT from external sensor if installed