diff --git a/tracy/tools/Input_checkcode.prm b/tracy/tools/Input_checkcode.prm
index 988b574855d9db67dd3a2426b27016ae0598ce87..8ee4162c7dc8b20b1ac65b9a50f46d6ea7eed578 100644
--- a/tracy/tools/Input_checkcode.prm
+++ b/tracy/tools/Input_checkcode.prm
@@ -37,12 +37,8 @@ in_dir /Users/nadolski/codes/tracy/maille/soleil/
   
 #*******boolean flag***********
 # VACCUUM CHAMBER PART
-# vacuum chamber file
-  chamber_file Chamber_example.dat    
-
-# read vacuum chamber from chamber_file, ChamberFlag must be true, if 
-#  ReadChamberFlag is true
-  ReadChamberFlag 
+# read vacuum chamber from file
+  ReadChamberFlag Chamber_example.dat 
 
   
 # GLOBAL PARAMETER PART
@@ -139,22 +135,22 @@ in_dir /Users/nadolski/codes/tracy/maille/soleil/
 
 ### OTHER
 # include girder error
-  GirderErrorFlag  
+#  GirderErrorFlag  
  
 # plot beam size around the ring
-  SigmaFlag  
+#  SigmaFlag  
  
 # specific for test
-  PX2Flag  
+#  PX2Flag  
  
 # calculate induced amplitude
   InducedAmplitudeFlag  
  
 # specific for test
-  CodeComparaisonFlag 
+#  CodeComparaisonFlag 
  
 # calculate Eta function
-  EtaFlag  
+#  EtaFlag  
 
 # calculate phase space  
 #  PhaseSpaceFlag 6D 1e-6 0.0 1e-6 0.0 0.012 0.0 1000 false
@@ -165,11 +161,11 @@ in_dir /Users/nadolski/codes/tracy/maille/soleil/
 #     of Horizontal and vertical correctors, and skew quadrupole
 #      is read from the files, the name of which are set at the 
 #       beginning of this script. 
- MultipoleFlag 
+# MultipoleFlag 
 # set multipole with thin or thick lens model,
 # MultipoleFlag must be true  if ThinsextFlag is true 
-  ThinsextFlag  
+#  ThinsextFlag  
 # include vacuum chamber
-  ChamberFlag  
+#  ChamberFlag  
 #**************************************************