diff --git a/Documentation/Examples/cascade_example.cc b/Documentation/Examples/cascade_example.cc
index 9191f825c046f41abe582c7cd234664257c5fbed..30f5745457c9349a543f1f7c466b250b3628d51b 100644
--- a/Documentation/Examples/cascade_example.cc
+++ b/Documentation/Examples/cascade_example.cc
@@ -23,8 +23,6 @@
 #include <corsika/cascade/SibStack.h>
 #include <corsika/process/sibyll/ParticleConversion.h>
 
-#include <corsika/units/PhysicalUnits.h>
-
 #include <corsika/units/PhysicalUnits.h>
 using namespace corsika;
 using namespace corsika::process;
diff --git a/Framework/Cascade/CMakeLists.txt b/Framework/Cascade/CMakeLists.txt
index 723f47b80f07a5d4ed3533fb142ce2b181f74855..8681fae994b1ff91cb8bb1d69f98f5a23da1e50c 100644
--- a/Framework/Cascade/CMakeLists.txt
+++ b/Framework/Cascade/CMakeLists.txt
@@ -27,7 +27,6 @@ set (
   CORSIKAsibyll_SOURCES
   sibyll2.3c.f
   gasdev.f
-#  rndm_dbl.f
   )
 add_library (CORSIKAsibyll STATIC ${CORSIKAsibyll_SOURCES})
 
diff --git a/Framework/Units/PhysicalConstants.h b/Framework/Units/PhysicalConstants.h
index 7add499dd5b000172de38da22074e5427ce36b76..65a98e482f7727af4176ded2c2b84339e6fcdf6e 100644
--- a/Framework/Units/PhysicalConstants.h
+++ b/Framework/Units/PhysicalConstants.h
@@ -54,6 +54,10 @@ namespace corsika::units::si::constants {
   // unified atomic mass unit
   constexpr quantity<mass_d> u{Rep(1.6605402e-27L) * kilogram};
 
+  // barn moved to PhysicalUnits
+  //  constexpr quantity<area_d> barn{Rep(1.e-28L) * meter * meter};
+  
+  
   // etc.
 
 } // namespace corsika::units::si::constants
diff --git a/Framework/Units/PhysicalUnits.h b/Framework/Units/PhysicalUnits.h
index c157363865e993fafbfd968eda3c79422d181cd0..16b77a5dfda59062bd4c5f77629ffb8055d3710a 100644
--- a/Framework/Units/PhysicalUnits.h
+++ b/Framework/Units/PhysicalUnits.h
@@ -26,6 +26,21 @@ namespace phys {
 
 
 
+
+namespace phys {
+  namespace units {
+    namespace literals {
+      QUANTITY_DEFINE_SCALING_LITERALS(meter, length_d,
+                                       magnitude(corsika::units::si::constants::meter))
+
+      // phys::units::quantity<energy_d/mass_d> Joule2Kg = c2; // 1_Joule / 1_kg;
+
+    } // namespace literals
+  }   // namespace units
+}
+
+
+
 namespace corsika::units::si {
   using namespace phys::units;
   using namespace phys::units::literals;
diff --git a/Processes/Sibyll/code_generator.py b/Processes/Sibyll/code_generator.py
index e91c336b070f6f3c3dfae132bdc4d6ca487feff3..77c1f5dd8216ad48ebf5c4aa476ef57695bb7fea 100755
--- a/Processes/Sibyll/code_generator.py
+++ b/Processes/Sibyll/code_generator.py
@@ -29,7 +29,6 @@ def read_sibyll_codes(filename, pythia_db):
             if line[0] == '#':
                 continue            
             identifier, sib_code, canInteractFlag, xsType = line.split()
-added pid to sibstack
             try:
                 pythia_db[identifier]["sibyll_code"] = int(sib_code)
                 pythia_db[identifier]["sibyll_canInteract"] = int(canInteractFlag)