diff --git a/eos/reduction_e2h.py b/eos/reduction_e2h.py
index 48c9f63..43bef19 100644
--- a/eos/reduction_e2h.py
+++ b/eos/reduction_e2h.py
@@ -131,11 +131,7 @@ class E2HReduction:
             # safe to image file if not auto-updating graph
             plt.savefig(f'e2h_{self.config.reduction.plot}.png', dpi=300)
         if self.config.reduction.kafka:
-            from .kafka_serializer import ESSSerializer
-            self.serializer = ESSSerializer()
-            self.fig.canvas.mpl_connect('close_event', self.serializer.end_command_thread)
-            self.serializer.start_command_thread()
-            self.serializer.send(self.projection)
+            raise RuntimeError("--kafka not implemented for events2histogram, use eos nicos script")
         if self.config.reduction.update:
             self.timer = self.fig.canvas.new_timer(1000)
             self.timer.add_callback(self.update)
@@ -313,6 +309,3 @@ class E2HReduction:
         self.projection.update_plot()
         plt.suptitle(self.create_title())
         plt.draw()
-
-        if self.config.reduction.kafka:
-            self.serializer.send(self.projection)