diff --git a/src/drivers/imu/mpu9250/mpu9250.cpp b/src/drivers/imu/mpu9250/mpu9250.cpp
index 9990a7fb86..cbe5df77f5 100644
--- a/src/drivers/imu/mpu9250/mpu9250.cpp
+++ b/src/drivers/imu/mpu9250/mpu9250.cpp
@@ -94,7 +94,6 @@ MPU9250::~MPU9250()
 
 	// delete the perf counter
 	perf_free(_sample_perf);
-	perf_free(_interval_perf);
 	perf_free(_bad_transfers);
 	perf_free(_bad_registers);
 	perf_free(_good_transfers);
@@ -620,7 +619,6 @@ void
 MPU9250::measure()
 {
 	perf_begin(_sample_perf);
-	perf_count(_interval_perf);
 
 	if (hrt_absolute_time() < _reset_wait) {
 		// we're waiting for a reset to complete
diff --git a/src/drivers/imu/mpu9250/mpu9250.h b/src/drivers/imu/mpu9250/mpu9250.h
index aa139d3980..f6f461216e 100644
--- a/src/drivers/imu/mpu9250/mpu9250.h
+++ b/src/drivers/imu/mpu9250/mpu9250.h
@@ -261,7 +261,6 @@ private:
 	unsigned		_sample_rate{1000};
 
 	perf_counter_t		_sample_perf;
-	perf_counter_t		_interval_perf;
 	perf_counter_t		_bad_transfers;
 	perf_counter_t		_bad_registers;
 	perf_counter_t		_good_transfers;