diff --git a/lib/screens/metering/components/camera_container/bloc_container_camera.dart b/lib/screens/metering/components/camera_container/bloc_container_camera.dart
index cafce13..bfc12ac 100644
--- a/lib/screens/metering/components/camera_container/bloc_container_camera.dart
+++ b/lib/screens/metering/components/camera_container/bloc_container_camera.dart
@@ -18,7 +18,7 @@ import 'package:lightmeter/screens/metering/components/camera_container/event_co
 import 'package:lightmeter/screens/metering/components/camera_container/models/camera_error_type.dart';
 import 'package:lightmeter/screens/metering/components/camera_container/state_container_camera.dart';
 import 'package:lightmeter/screens/metering/components/shared/ev_source_base/bloc_base_ev_source.dart';
-import 'package:lightmeter/utils/log_2.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraContainerState> {
   final MeteringInteractor _meteringInteractor;
diff --git a/lib/screens/metering/components/light_sensor_container/bloc_container_light_sensor.dart b/lib/screens/metering/components/light_sensor_container/bloc_container_light_sensor.dart
index 23cd796..c76727b 100644
--- a/lib/screens/metering/components/light_sensor_container/bloc_container_light_sensor.dart
+++ b/lib/screens/metering/components/light_sensor_container/bloc_container_light_sensor.dart
@@ -10,7 +10,7 @@ import 'package:lightmeter/screens/metering/communication/state_communication_me
 import 'package:lightmeter/screens/metering/components/light_sensor_container/event_container_light_sensor.dart';
 import 'package:lightmeter/screens/metering/components/light_sensor_container/state_container_light_sensor.dart';
 import 'package:lightmeter/screens/metering/components/shared/ev_source_base/bloc_base_ev_source.dart';
-import 'package:lightmeter/utils/log_2.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class LightSensorContainerBloc
     extends EvSourceBlocBase<LightSensorContainerEvent, LightSensorContainerState> {
diff --git a/lib/utils/log_2.dart b/lib/utils/log_2.dart
deleted file mode 100644
index 37bcc92..0000000
--- a/lib/utils/log_2.dart
+++ /dev/null
@@ -1,3 +0,0 @@
-import 'dart:math';
-
-double log2(num x) => log(x) / log(2);