diff --git a/Main/shower.cc b/Main/shower.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a0f78b5a8bcea889e582c07b6e11f1600010b2c7
--- /dev/null
+++ b/Main/shower.cc
@@ -0,0 +1,10 @@
+#include <utl/Stack.h>
+
+int
+main(int argc, char** argv)
+{
+  
+  
+  
+  return 0;
+}
diff --git a/include/ParticleID.hpp b/include/ParticleID.hpp
deleted file mode 100644
index 9df8f3768c05d16184a1366678bb2e7484ca394e..0000000000000000000000000000000000000000
--- a/include/ParticleID.hpp
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * ParticleID.hpp
- * 
- * Copyright 2018 Maximilian Reininghaus <maximilian.reininghaus@kit.edu>
- * 
- * This file is part of ngC.
- * 
- * ngC is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- * 
- * ngC is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- * 
- */
-
-namespace ngc
-{
-    enum class ParticleID // copy of CORSIKA's particle IDs
-    {
-        GAMMA = 1,
-        POSITRON = 2,
-        ELECTRON = 3,
-        MU_P = 5,
-        MU_M = 6,
-        PI_0 = 7,
-        PI_P = 8,
-        PI_M = 9,
-        K_L_0 = 10,
-        K_P = 11,
-        K_M = 12,
-        N = 13,
-        P = 14,
-        PBAR = 15,
-        K_S_0 = 16,
-        ETA = 17,
-        LAMBDA = 18,
-        SIGMA_P = 19,
-        SIGMA_0 = 20,
-        SIGMA_M = 21,
-        XI_0 = 22,
-        XI_M = 23,
-        OMEGA_M = 24,
-        N_BAR = 25,
-        LAMBDA_BAR = 26,
-        SIGMA_BAR_M = 27,
-        SIGMA_BAR_0 = 28,
-        SIGMA_BAR_P = 29,
-        XI_BAR_0 = 30,
-        XI_BAR_PLUS = 31,
-        OMEGA_BAR_PLUS = 32
-        
-        // to be continued...
-    };
-}