diff --git a/src/main/java/com/loafle/overflow/service/central/sensor/SensorService.java b/src/main/java/com/loafle/overflow/service/central/sensor/SensorService.java
index 1207ce4..04d9025 100644
--- a/src/main/java/com/loafle/overflow/service/central/sensor/SensorService.java
+++ b/src/main/java/com/loafle/overflow/service/central/sensor/SensorService.java
@@ -38,11 +38,6 @@ public interface SensorService {
   
   Sensor decreaseSensorItemCount(Long id) throws OverflowException;
 
-  @WebappAPI
-  Sensor start(Long id) throws OverflowException;
-
-  @WebappAPI
-  Sensor stop(Long id) throws OverflowException;
 
   @WebappAPI
   Sensor registSensorConfig(Sensor sensor, List<SensorItem> sensorItemList, String etcJson) throws OverflowException;