diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullDeviceCommand.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullDeviceCommand.java
index 6b463f6..6f88be8 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullDeviceCommand.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullDeviceCommand.java
@@ -15,8 +15,8 @@
  */
 package org.onosproject.provider.nil.cli;
 
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.DeviceId;
 import org.onosproject.provider.nil.NullProviders;
@@ -41,7 +41,7 @@
 
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         NullProviders service = get(NullProviders.class);
         DeviceId deviceId = DeviceId.deviceId(id);