diff -r fd15abc50fc1 -r 4fd25dadbd94 src/HOL/Tools/ATP/atp_systems.ML
--- a/src/HOL/Tools/ATP/atp_systems.ML	Sun Feb 05 12:27:10 2012 +0100
+++ b/src/HOL/Tools/ATP/atp_systems.ML	Sun Feb 05 12:27:10 2012 +0100
@@ -360,8 +360,9 @@
    required_execs =
      [("SPASS_NEW_HOME", "SPASS"), ("SPASS_NEW_HOME", "tptp2dfg")],
    arguments = fn _ => fn _ => fn incomplete => fn timeout => fn _ =>
-     ("-Auto -LR=1 -LT=1 -Isabelle=1 -TimeLimit=" ^
-      string_of_int (to_secs 1 timeout))
+     (* TODO: add: -FPDFGProof -FPFCR *)
+     ("-Auto -Isabelle=1 -TimeLimit=" ^ string_of_int (to_secs 1 timeout))
+     (* TODO: not used yet *)
      |> incomplete = spass_incompleteN ? prefix "-Splits=0 -FullRed=0 ",
    proof_delims = #proof_delims spass_config,
    known_failures = #known_failures spass_config,