diff --git a/app/src/data_module.c b/app/src/data_module.c
index 862d6d6..0779436 100644
--- a/app/src/data_module.c
+++ b/app/src/data_module.c
@@ -28,6 +28,7 @@ LOG_MODULE_REGISTER(data_module, CONFIG_SENSOR_LOG_LEVEL);
 #include "spo2_process.h"
 #include "resp_process.h"
 #include "datalog_module.h"
+#include "hw_module.h"
 
 // ProtoCentral data formats
 #define CES_CMDIF_PKT_START_1 0x0A
@@ -130,7 +131,7 @@ float firState[NUM_TAPS + BLOCK_SIZE - 1];
 int16_t spo2_serial;
 int16_t hr_serial;
 int16_t rr_serial;
-extern int16_t temp_serial;
+int16_t temp_serial;
 
 void send_data_ov3_format()
 {
@@ -624,6 +625,8 @@ void data_thread(void)
             }
         }
 
+        temp_serial = hpi_hw_read_temp();
+
         k_sleep(K_MSEC(1));
     }
 }
diff --git a/app/src/hw_module.c b/app/src/hw_module.c
index 60d38f0..df2bafd 100644
--- a/app/src/hw_module.c
+++ b/app/src/hw_module.c
@@ -70,8 +70,6 @@ const struct device *const max30001_dev = DEVICE_DT_GET_ANY(maxim_max30001);
 const struct device *const afe4400_dev = DEVICE_DT_GET_ANY(ti_afe4400);
 const struct device *const max30205_dev = DEVICE_DT_GET_ANY(maxim_max30205);
 const struct device *fg_dev;
-struct hpi_temp_sensor_data_t temp_sensor_sample;
-int16_t temp_serial;
 
 #ifdef CONFIG_HEALTHYPI_DISPLAY_ENABLED
 static const struct pwm_dt_spec bl_led_pwm = PWM_DT_SPEC_GET(DT_ALIAS(bl_led_pwm));
@@ -380,7 +378,6 @@ void hw_thread(void)
         global_batt_level = hpi_hw_read_batt();
 
         global_temp_val = hpi_hw_read_temp();
-        temp_serial = global_temp_val;
 
 #ifdef CONFIG_DISPLAY
         hpi_disp_update_batt_level(global_batt_level);