diff --git a/event_camera_simulator/esim_visualization/include/esim/visualization/publisher_interface.hpp b/event_camera_simulator/esim_visualization/include/esim/visualization/publisher_interface.hpp
index 1a2e372..73cbf9a 100644
--- a/event_camera_simulator/esim_visualization/include/esim/visualization/publisher_interface.hpp
+++ b/event_camera_simulator/esim_visualization/include/esim/visualization/publisher_interface.hpp
@@ -13,16 +13,16 @@ public:
   Publisher() = default;
   virtual ~Publisher() = default;
 
-  virtual void imageCallback(const ImagePtrVector& images, Time t) = 0;
-  virtual void imageCorruptedCallback(const ImagePtrVector& corrupted_images, Time t) = 0;
-  virtual void depthmapCallback(const DepthmapPtrVector& depthmaps, Time t) = 0;
-  virtual void opticFlowCallback(const OpticFlowPtrVector& optic_flows, Time t) = 0;
-  virtual void eventsCallback(const EventsVector& events) = 0;
-  virtual void poseCallback(const Transformation& T_W_B, const TransformationVector& T_W_Cs, Time t) = 0;
-  virtual void twistCallback(const AngularVelocityVector& ws, const LinearVelocityVector& vs, Time t) = 0;
-  virtual void imuCallback(const Vector3& acc, const Vector3& gyr, Time t) = 0;
-  virtual void cameraInfoCallback(const ze::CameraRig::Ptr& camera_rig, Time t) = 0;
-  virtual void pointcloudCallback(const PointCloudVector& pointclouds, Time t) = 0;
+  virtual void imageCallback(const ImagePtrVector& images, Time t) {}
+  virtual void imageCorruptedCallback(const ImagePtrVector& corrupted_images, Time t) {}
+  virtual void depthmapCallback(const DepthmapPtrVector& depthmaps, Time t) {}
+  virtual void opticFlowCallback(const OpticFlowPtrVector& optic_flows, Time t) {}
+  virtual void eventsCallback(const EventsVector& events) {}
+  virtual void poseCallback(const Transformation& T_W_B, const TransformationVector& T_W_Cs, Time t) {}
+  virtual void twistCallback(const AngularVelocityVector& ws, const LinearVelocityVector& vs, Time t) {}
+  virtual void imuCallback(const Vector3& acc, const Vector3& gyr, Time t) {}
+  virtual void cameraInfoCallback(const ze::CameraRig::Ptr& camera_rig, Time t) {}
+  virtual void pointcloudCallback(const PointCloudVector& pointclouds, Time t) {}
 
 };