Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -r611187f2d0918fb5fef0c8aa4e34768a2093b97c -ra2aad87f17d5f85922b458ca2b73d20fb4f49c3a
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 611187f2d0918fb5fef0c8aa4e34768a2093b97c)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision a2aad87f17d5f85922b458ca2b73d20fb4f49c3a)
@@ -126,11 +126,6 @@
     MSG_ID_DD_VOLTAGES_DATA = 0x68
     MSG_ID_DD_RINSE_PUMP_DATA = 0x69
 
-
-
-    MSG_ID_DD_PISTON_PUMP_CONTROL_DATA = 0xF0
-
-
     MSG_ID_TD_TESTER_LOGIN_REQUEST = 0x8000
     MSG_ID_TD_SOFTWARE_RESET_REQUEST = 0x8001
     MSG_ID_TD_SEND_TEST_CONFIGURATION = 0x8002
@@ -281,10 +276,7 @@
     MSG_ID_DD_MONITORED_VOLTAGE_OVERRIDE_REQUEST = 0xA052
     MSG_ID_DD_RINSE_PUMP_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA053
 
-    MSG_ID_DD_PISTON_PUMP_DATA_PUBLISH_OVERRIDE_REQUEST = 0xAF00
-    MSG_ID_DD_PISTON_PUMP_START_STOP_OVERRIDE_REQUEST = 0xAF01
-    MSG_ID_DD_PISTON_PUMP_FILL_AFTER_DISPENSE_OVERRIDE_REQUEST = 0xAF02
-    # Placeholder message
+    # Placeholder messages
     MSG_ID_DD_ALARM_STATE_OVERRIDE_REQUEST = 0xAF03
     MSG_ID_DD_STOP_GEN_DIALYSATE_MODE_OVERRIDE_REQUEST = 0xAF04