diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/spi/DeviceManagementService.java b/components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/spi/DeviceManagementService.java
index 143fd1e8dba..80bf0303056 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/spi/DeviceManagementService.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/spi/DeviceManagementService.java
@@ -30,7 +30,7 @@ import java.util.List;
  * Composite interface that acts as the SPI exposing all device management as well as application management
  * functionalities.
  */
-public interface DeviceManagementService extends ApplicationManager {
+public interface DeviceManagementService {
 
     /**
      * Method to retrieve the provider type that implements DeviceManager interface.
@@ -58,6 +58,7 @@ public interface DeviceManagementService extends ApplicationManager {
 
     ApplicationManager getApplicationManager();
 
-    void notifyOperationToDevices(Operation operation, List<DeviceIdentifier> deviceIds) throws DeviceManagementException;
+    void notifyOperationToDevices(Operation operation,
+                                  List<DeviceIdentifier> deviceIds) throws DeviceManagementException;
 
 }
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/java/org/wso2/carbon/device/mgt/core/TestDeviceManagementService.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/java/org/wso2/carbon/device/mgt/core/TestDeviceManagementService.java
index c94a00fe8dc..c3f15b77118 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/java/org/wso2/carbon/device/mgt/core/TestDeviceManagementService.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/java/org/wso2/carbon/device/mgt/core/TestDeviceManagementService.java
@@ -74,39 +74,4 @@ public class TestDeviceManagementService implements DeviceManagementService {
 
     }
 
-    @Override
-    public Application[] getApplications(String domain, int pageNumber, int size)
-            throws ApplicationManagementException {
-        return new Application[0];
-    }
-
-    @Override
-    public void updateApplicationStatus(DeviceIdentifier deviceId, Application application, String status)
-            throws ApplicationManagementException {
-
-    }
-
-    @Override
-    public String getApplicationStatus(DeviceIdentifier deviceId, Application application)
-            throws ApplicationManagementException {
-        return null;
-    }
-
-    @Override
-    public void installApplicationForDevices(Operation operation, List<DeviceIdentifier> deviceIdentifiers)
-            throws ApplicationManagementException {
-
-    }
-
-    @Override
-    public void installApplicationForUsers(Operation operation, List<String> userNameList)
-            throws ApplicationManagementException {
-
-    }
-
-    @Override
-    public void installApplicationForUserRoles(Operation operation, List<String> userRoleList)
-            throws ApplicationManagementException {
-
-    }
 }