diff --git a/src/src/Interaction/ActorDraggableInteractorStyle.cpp b/src/src/Interaction/ActorDraggableInteractorStyle.cpp
index 788d5ea..88eef07 100644
--- a/src/src/Interaction/ActorDraggableInteractorStyle.cpp
+++ b/src/src/Interaction/ActorDraggableInteractorStyle.cpp
@@ -27,13 +27,6 @@ vtkStandardNewMacro(ActorDraggableInteractorStyle)
 
 ActorDraggableInteractorStyle::ActorDraggableInteractorStyle() {
     this->AddObserver(vtkCommand::InteractionEvent, this, &ActorDraggableInteractorStyle::DispatchEvent);
-#ifdef _DEBUG
-    this->AddObserver(DraggableStyleEvents::EndDollyEvent, this, &ActorDraggableInteractorStyle::TestOutPut);
-    this->AddObserver(vtkCommand::EventIds::EndPanEvent, this, &ActorDraggableInteractorStyle::TestOutPut);
-    this->AddObserver(vtkCommand::EventIds::EndRotateEvent, this, &ActorDraggableInteractorStyle::TestOutPut);
-    this->AddObserver(vtkCommand::EventIds::EndWindowLevelEvent, this, &ActorDraggableInteractorStyle::TestOutPut);
-    this->AddObserver(DraggableStyleEvents::SlicedEvent, this, &ActorDraggableInteractorStyle::TestOutPut);
-#endif
 }
 
 ActorDraggableInteractorStyle::~ActorDraggableInteractorStyle() {
diff --git a/src/src/Interaction/ActorDraggableInteractorStyle.h b/src/src/Interaction/ActorDraggableInteractorStyle.h
index 085f937..78f7a85 100644
--- a/src/src/Interaction/ActorDraggableInteractorStyle.h
+++ b/src/src/Interaction/ActorDraggableInteractorStyle.h
@@ -209,44 +209,6 @@ private:
     int ScalarStartPosition[2] = {0, 0};
     int ScalarCurrentPosition[2] = {0, 0};
     double ConsumedOpacity = 0;
-
-    void TestOutPut(vtkObject *, unsigned long eventid, void *calldata) {
-        switch (eventid) {
-            case DraggableStyleEvents::SlicedEvent: {
-                int *r = (int *) calldata;
-
-                printf("Sliced, current slice number:%d \r\n", r[0]);
-
-                break;
-            }
-            case DraggableStyleEvents::EndDollyEvent: {
-                double *d = (double *) calldata;
-
-                printf("EndDolly, scale param:%f,%f \r\n", d[0], d[1]);
-
-                break;
-            }
-            case vtkCommand::EventIds::EndPanEvent: {
-                double *d = (double *) calldata;
-
-                printf("EndPan, last focalpoint:%f,%f,%f;current focalpoint:%f,%f,%f \r\n", d[0], d[1], d[2], d[3],
-                       d[4], d[5]);
-
-                break;
-            }
-            case vtkCommand::EventIds::EndWindowLevelEvent: {
-                double *d = (double *) calldata;
-
-                printf("EndWindowLevel, scale param:%f,%f \r\n", d[0], d[1]);
-
-                break;
-            }
-            default:
-
-                printf("current event :%s", vtkCommand::GetStringFromEventId(eventid));
-                break;
-        }
-    }
 };
 
 #endif //OMEGAV_ACTORDRAGGABLEINTERACTORSTYLE_H