diff --git a/src/android_foo/control_app/src/main/java/com/robotca/ControlApp/Core/Plans/RandomWalkPlan.java b/src/android_foo/control_app/src/main/java/com/robotca/ControlApp/Core/Plans/RandomWalkPlan.java
index 26b6c8e..29aec79 100644
--- a/src/android_foo/control_app/src/main/java/com/robotca/ControlApp/Core/Plans/RandomWalkPlan.java
+++ b/src/android_foo/control_app/src/main/java/com/robotca/ControlApp/Core/Plans/RandomWalkPlan.java
@@ -2,6 +2,9 @@
 
 import com.robotca.ControlApp.Core.ControlMode;
 import com.robotca.ControlApp.Core.RobotController;
+import android.media.AudioManager;
+import android.media.ToneGenerator;
+
 import java.util.Random;
 import java.util.Timer;