diff --git a/src/Bytecode.cc b/src/Bytecode.cc
index 09120612853e66b80f23e4bf5621d7e166466e03..8de86ff57bd975949471452548b1f00a6c680686 100644
--- a/src/Bytecode.cc
+++ b/src/Bytecode.cc
@@ -90,7 +90,6 @@ operator<<(BytecodeWriter &code_file, const FBEGINBLOCK_ &instr)
       || instr.type == BlockSimulationType::solveForwardComplete)
     {
       write_member(instr.is_linear);
-      write_member(instr.endo_nbr);
       write_member(instr.u_count_int);
     }
   write_member(instr.nb_col_jacob);
diff --git a/src/Bytecode.hh b/src/Bytecode.hh
index 3272933314fe7b6089549c9f45972d1d9f4df10e..3688e9d2b968fc32767c0b1f480301403f36fc19 100644
--- a/src/Bytecode.hh
+++ b/src/Bytecode.hh
@@ -893,7 +893,6 @@ private:
   vector<int> det_exogenous;
   bool is_linear{false};
   vector<Block_contain_type> Block_Contain_;
-  int endo_nbr{0};
   int u_count_int{0};
   int nb_col_jacob{0};
   int det_exo_size, exo_size;
@@ -903,7 +902,7 @@ public:
      derivatives w.r.t. endogenous not belonging to the block) */
   FBEGINBLOCK_(int size_arg, BlockSimulationType type_arg, int first_element, int block_size,
                const vector<int> &variable_arg, const vector<int> &equation_arg,
-               bool is_linear_arg, int endo_nbr_arg, int u_count_int_arg, int nb_col_jacob_arg,
+               bool is_linear_arg, int u_count_int_arg, int nb_col_jacob_arg,
                int det_exo_size_arg, int exo_size_arg,
                vector<int> det_exogenous_arg, vector<int> exogenous_arg) :
     BytecodeInstruction{Tags::FBEGINBLOCK},
@@ -914,7 +913,6 @@ public:
     exogenous{move(exogenous_arg)},
     det_exogenous{move(det_exogenous_arg)},
     is_linear{is_linear_arg},
-    endo_nbr{endo_nbr_arg},
     u_count_int{u_count_int_arg},
     nb_col_jacob{nb_col_jacob_arg},
     det_exo_size{det_exo_size_arg},
@@ -924,14 +922,13 @@ public:
   // Constructor when derivatives w.r.t. exogenous are absent
   FBEGINBLOCK_(int size_arg, BlockSimulationType type_arg, int first_element, int block_size,
                const vector<int> &variable_arg, const vector<int> &equation_arg,
-               bool is_linear_arg, int endo_nbr_arg, int u_count_int_arg, int nb_col_jacob_arg) :
+               bool is_linear_arg, int u_count_int_arg, int nb_col_jacob_arg) :
     BytecodeInstruction{Tags::FBEGINBLOCK},
     size{size_arg},
     type{type_arg},
     variable{variable_arg.begin()+first_element, variable_arg.begin()+(first_element+block_size)},
     equation{equation_arg.begin()+first_element, equation_arg.begin()+(first_element+block_size)},
     is_linear{is_linear_arg},
-    endo_nbr{endo_nbr_arg},
     u_count_int{u_count_int_arg},
     nb_col_jacob{nb_col_jacob_arg},
     det_exo_size{0},
@@ -966,7 +963,6 @@ public:
         || type == BlockSimulationType::solveForwardComplete)
       {
         read_member(is_linear);
-        read_member(endo_nbr);
         read_member(u_count_int);
       }
     read_member(nb_col_jacob);
@@ -1003,11 +999,6 @@ public:
     return is_linear;
   };
   int
-  get_endo_nbr()
-  {
-    return endo_nbr;
-  };
-  int
   get_u_count_int()
   {
     return u_count_int;
diff --git a/src/DynamicModel.cc b/src/DynamicModel.cc
index 04292b003b8ea07b8f2bae92561065de1d60f6ae..9c0cb67619e59a20d7d7ca87f3d2890bf5fb9f4e 100644
--- a/src/DynamicModel.cc
+++ b/src/DynamicModel.cc
@@ -183,7 +183,6 @@ DynamicModel::writeDynamicBytecode(const string &basename) const
                             endo_idx,
                             eq_idx,
                             false,
-                            symbol_table.endo_nbr(),
                             u_count_int,
                             jacobian_ncols_endo,
                             symbol_table.exo_det_nbr(),
@@ -229,7 +228,6 @@ DynamicModel::writeDynamicBlockBytecode(const string &basename) const
                                 endo_idx_block2orig,
                                 eq_idx_block2orig,
                                 blocks[block].linear,
-                                symbol_table.endo_nbr(),
                                 u_count,
                                 static_cast<int>(blocks_jacob_cols_endo[block].size())};
 
diff --git a/src/StaticModel.cc b/src/StaticModel.cc
index 7d3b9f790c4f71c32c139acc32fa1b6b28c15b0f..3282d4e9f050196af676cfb7e8639f75a7d3db26 100644
--- a/src/StaticModel.cc
+++ b/src/StaticModel.cc
@@ -121,7 +121,6 @@ StaticModel::writeStaticBytecode(const string &basename) const
                             endo_idx,
                             eq_idx,
                             false,
-                            symbol_table.endo_nbr(),
                             u_count_int,
                             symbol_table.endo_nbr()};
 
@@ -161,7 +160,6 @@ StaticModel::writeStaticBlockBytecode(const string &basename) const
                                 endo_idx_block2orig,
                                 eq_idx_block2orig,
                                 blocks[block].linear,
-                                symbol_table.endo_nbr(),
                                 u_count,
                                 block_size};