diff --git a/server/src/com/cloud/storage/VolumeApiServiceImpl.java b/server/src/com/cloud/storage/VolumeApiServiceImpl.java
index b9ed59a57d1..26678e6c531 100644
--- a/server/src/com/cloud/storage/VolumeApiServiceImpl.java
+++ b/server/src/com/cloud/storage/VolumeApiServiceImpl.java
@@ -138,10 +138,15 @@ import com.cloud.vm.VMInstanceVO;
 import com.cloud.vm.VirtualMachine;
 import com.cloud.vm.VirtualMachine.State;
 import com.cloud.vm.VmWork;
+import com.cloud.vm.VmWorkAttachVolume;
 import com.cloud.vm.VmWorkConstants;
+import com.cloud.vm.VmWorkDetachVolume;
 import com.cloud.vm.VmWorkJobHandler;
 import com.cloud.vm.VmWorkJobHandlerProxy;
+import com.cloud.vm.VmWorkMigrateVolume;
+import com.cloud.vm.VmWorkResizeVolume;
 import com.cloud.vm.VmWorkSerializer;
+import com.cloud.vm.VmWorkTakeVolumeSnapshot;
 import com.cloud.vm.dao.UserVmDao;
 import com.cloud.vm.dao.VMInstanceDao;
 import com.cloud.vm.snapshot.VMSnapshotVO;