diff --git a/src/AbstractPityUnit.cc b/src/AbstractPityUnit.cc
index eea8e73..ffba894 100644
--- a/src/AbstractPityUnit.cc
+++ b/src/AbstractPityUnit.cc
@@ -47,14 +47,14 @@ namespace pEp {
             _init();
         }
 
-        AbstractPityUnit &AbstractPityUnit::operator=(const AbstractPityUnit &rhs)
-        {
-            _procUnitNr = rhs._procUnitNr;
-            _exec_mode = rhs._exec_mode;
-            _transport = rhs._transport;
-            _transport_endpoints = rhs._transport_endpoints;
-            return *this;
-        }
+//        AbstractPityUnit &AbstractPityUnit::operator=(const AbstractPityUnit &rhs)
+//        {
+//            _procUnitNr = rhs._procUnitNr;
+//            _exec_mode = rhs._exec_mode;
+//            _transport = rhs._transport;
+//            _transport_endpoints = rhs._transport_endpoints;
+//            return *this;
+//        }
 
 
         void AbstractPityUnit::_init()
@@ -64,10 +64,10 @@ namespace pEp {
         }
 
         // static
-        void AbstractPityUnit::setGlobalRootDir(const std::string &dir)
-        {
-            AbstractPityUnit::_global_root_dir = dir;
-        }
+//        void AbstractPityUnit::setGlobalRootDir(const std::string &dir)
+//        {
+//            AbstractPityUnit::_global_root_dir = dir;
+//        }
 
         // static
         std::string AbstractPityUnit::getGlobalRootDir()
diff --git a/src/AbstractPityUnit.hh b/src/AbstractPityUnit.hh
index 03fed3a..d60de57 100644
--- a/src/AbstractPityUnit.hh
+++ b/src/AbstractPityUnit.hh
@@ -46,12 +46,12 @@ namespace pEp {
             explicit AbstractPityUnit(const AbstractPityUnit& rhs, AbstractPityUnit& self);
 
             // copy-assign
-            AbstractPityUnit& operator=(const AbstractPityUnit& rhs);
+//            AbstractPityUnit& operator=(const AbstractPityUnit& rhs);
 
             AbstractPityUnit* clone() override = 0;
 
             // Read-Write
-            static void setGlobalRootDir(const std::string& dir);
+//            static void setGlobalRootDir(const std::string& dir);
             static std::string getGlobalRootDir();
             void setExecMode(ExecutionMode execMode);