diff --git a/spinnman/transceiver.py b/spinnman/transceiver.py
index 5d9edfaac..d99164653 100644
--- a/spinnman/transceiver.py
+++ b/spinnman/transceiver.py
@@ -1059,21 +1059,16 @@ def _power_on_machine(self):
             logger.warning("No BMP connections, so can't power on")
             return False
         for bmp_connection in self._bmp_connections:
-            self.power_on(bmp_connection.boards, bmp_connection.cabinet,
-                          bmp_connection.frame)
+            self.power_on(bmp_connection.boards)
         return True
 
-    def power_on(self, boards=0, cabinet=0, frame=0):
+    def power_on(self, boards=0):
         """
         Power on a set of boards in the machine.
 
         :param int boards: The board or boards to power on
-        :param int cabinet: the ID of the cabinet containing the frame, or 0
-            if the frame is not in a cabinet
-        :param int frame: the ID of the frame in the cabinet containing the
-            board(s), or 0 if the board is not in a frame
         """
-        self._power(PowerCommand.POWER_ON, boards, cabinet, frame)
+        self._power(PowerCommand.POWER_ON, boards)
 
     def power_off_machine(self):
         """
@@ -1087,48 +1082,36 @@ def power_off_machine(self):
             return False
         logger.info("Turning off machine")
         for bmp_connection in self._bmp_connections:
-            self.power_off(bmp_connection.boards, bmp_connection.cabinet,
-                           bmp_connection.frame)
+            self.power_off(bmp_connection.boards)
         return True
 
-    def power_off(self, boards=0, cabinet=0, frame=0):
+    def power_off(self, boards=0):
         """
         Power off a set of boards in the machine.
 
         :param int boards: The board or boards to power off
-        :param int cabinet: the ID of the cabinet containing the frame, or 0
-            if the frame is not in a cabinet
-        :param int frame: the ID of the frame in the cabinet containing the
-            board(s), or 0 if the board is not in a frame
         """
-        self._power(PowerCommand.POWER_OFF, boards, cabinet, frame)
+        self._power(PowerCommand.POWER_OFF, boards)
 
-    def _bmp_selector(self, cabinet, frame):
+    def _bmp_selector(self):
         """
-        :param int cabinet:
-        :param int frame:
         :rtype: FixedConnectionSelector
         """
-        assert (cabinet == frame == 0)
-        key = (cabinet, frame)
+        key = (0, 0)
         if key not in self._bmp_connection_selectors:
             raise SpinnmanInvalidParameterException(
-                "cabinet and frame", f"{cabinet} and {frame}",
+                "cabinet and frame", f"{0} and {0}",
                 "Unknown combination")
         return self._bmp_connection_selectors[key]
 
-    def _power(self, power_command, boards=0, cabinet=0, frame=0):
+    def _power(self, power_command, boards=0):
         """
         Send a power request to the machine.
 
         :param PowerCommand power_command: The power command to send
         :param boards: The board or boards to send the command to
-        :param int cabinet: the ID of the cabinet containing the frame, or 0
-            if the frame is not in a cabinet
-        :param int frame: the ID of the frame in the cabinet containing the
-            board(s), or 0 if the board is not in a frame
         """
-        connection_selector = self._bmp_selector(cabinet, frame)
+        connection_selector = self._bmp_selector()
         timeout = (
             BMP_POWER_ON_TIMEOUT
             if power_command == PowerCommand.POWER_ON
@@ -1158,7 +1141,7 @@ def read_fpga_register(self, fpga_num, register, cabinet, frame, board):
         :rtype: int
         """
         process = SendSingleCommandProcess(
-            self._bmp_selector(cabinet, frame), timeout=1.0)
+            self._bmp_selector(), timeout=1.0)
         response = process.execute(
             ReadFPGARegister(fpga_num, register, board))
         return response.fpga_register  # pylint: disable=no-member
@@ -1179,7 +1162,7 @@ def write_fpga_register(self, fpga_num, register, value, cabinet, frame,
         :param int board: which board to write the FPGA register to
         """
         process = SendSingleCommandProcess(
-            self._bmp_selector(cabinet, frame))
+            self._bmp_selector())
         process.execute(
             WriteFPGARegister(fpga_num, register, value, board))
 
@@ -1193,7 +1176,7 @@ def read_bmp_version(self, board, cabinet, frame):
         :return: the sver from the BMP
         """
         process = SendSingleCommandProcess(
-            self._bmp_selector(cabinet, frame))
+            self._bmp_selector())
         response = process.execute(BMPGetVersion(board))
         return response.version_info  # pylint: disable=no-member