diff --git a/matlab/histvalf_initvalf.m b/matlab/histvalf_initvalf.m
index 4ce0da3cb..fa8351ea5 100644
--- a/matlab/histvalf_initvalf.m
+++ b/matlab/histvalf_initvalf.m
@@ -1,17 +1,17 @@
 function [series, p] = histvalf_initvalf(caller, DynareModel, options)
 
-% Handles options for histvalf() and initvalf()
+% Handles options for histval_file and initval_file
 %
 % INPUTS
 % - caller           [char]      row array, name of calling function
 % - DynareModel      [struct]    model description, a.k.a M_
-% - options          [struct]    options specific to initivalf
+% - options          [struct]    options specific to histval_file and initval_file
 %
 % OUTPUTS
 % - series           [dseries]   selected data from a file or a dseries
 % - p                [integer]   number of periods (excluding the initial and terminal conditions)
 
-% Copyright © 2003-2022 Dynare Team
+% Copyright © 2003-2023 Dynare Team
 %
 % This file is part of Dynare.
 %
@@ -254,4 +254,4 @@ else
     p = (last_obs-DynareModel.orig_maximum_lead)-(first_obs+DynareModel.orig_maximum_lag)+1;
 end
 
-series = series(first_obs:last_obs);
\ No newline at end of file
+series = series(first_obs:last_obs);
diff --git a/matlab/initvalf.m b/matlab/initvalf.m
deleted file mode 100644
index c40009738..000000000
--- a/matlab/initvalf.m
+++ /dev/null
@@ -1,31 +0,0 @@
-function [series, p] = initvalf(DynareModel, options)
-
-% Handles options for histvalf() and initvalf()
-%
-% INPUTS
-% - caller           [char]      row array, name of calling function
-% - DynareModel      [struct]    model description, a.k.a M_
-% - options          [struct]    options specific to initivalf
-%
-% OUTPUTS
-% - series           [dseries]   selected data from a file or a dseries
-% - p                [integer]   number of periods (excluding the initial and terminal conditions)
-
-% Copyright © 2003-2022 Dynare Team
-%
-% This file is part of Dynare.
-%
-% Dynare 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.
-%
-% Dynare 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 Dynare.  If not, see <https://www.gnu.org/licenses/>.
-
-[series, p] = histvalf_initvalf('INITVALF', DynareModel, options);
\ No newline at end of file
diff --git a/preprocessor b/preprocessor
index 3c20b9862..613a8578e 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit 3c20b9862b87e894b00c70b10e7f5a425ba0372a
+Subproject commit 613a8578eea1a7c729223dedeebf44cdafe1cabf