diff --git a/src/pbs.h b/src/pbs.h
index b81a7a142b..52aaae1e2e 100644
--- a/src/pbs.h
+++ b/src/pbs.h
@@ -163,8 +163,6 @@ void ApplyAvailableFreeTunnelBridgeTiles(TrainReservationLookAhead *lookahead, i
 void TryCreateLookAheadForTrainInTunnelBridge(Train *t);
 void SetTrainReservationLookaheadEnd(Train *v);
 void FillTrainReservationLookAhead(Train *v);
-void SetLookAheadNextExtendPosition(Train *v);
-void SetLookAheadNextExtendPositionIfUnset(Train *v);
 bool IsSafeWaitingPosition(const Train *v, TileIndex tile, Trackdir trackdir, bool include_line_end, bool forbid_90deg = false);
 bool IsWaitingPositionFree(const Train *v, TileIndex tile, Trackdir trackdir, bool forbid_90deg = false, PBSWaitingPositionRestrictedSignalInfo *restricted_signal_info = nullptr);