diff --git a/src/reactor_sim/dashboard.py b/src/reactor_sim/dashboard.py
index 043eed6..a07f706 100644
--- a/src/reactor_sim/dashboard.py
+++ b/src/reactor_sim/dashboard.py
@@ -148,9 +148,6 @@ class ReactorDashboard:
                 return
             if ch == ord(" "):
                 self._queue_command(ReactorCommand.scram_all())
-            elif ch in (ord("p"), ord("P")):
-                # Deprecated master toggles ignored.
-                continue
             elif ch in (ord("o"), ord("O")):
                 continue
             elif ch in (ord("g"), ord("G")):