diff --git a/src/ModelTree.cc b/src/ModelTree.cc
index 2e7997656af813e09db8e7c9ddebbeb1ed8fc42b..6d14cabb3528866128a1783dc5ab436071703839 100644
--- a/src/ModelTree.cc
+++ b/src/ModelTree.cc
@@ -1938,11 +1938,13 @@ ModelTree::initializeMEXCompilationWorkers(int numworkers, const filesystem::pat
       unique_lock<mutex> lk {mex_compilation_mut};
       filesystem::path output;
       string cmd;
-
+  */
       /* Look for an object to compile, whose prerequisites are already
          compiled. If found, remove it from the queue, save the output path and
          the compilation command, and return true. Must be run under the lock. */
-      auto pick_job = [&cmd, &output] {
+     auto pick_job = [&cmd, &output] {
+  /*
+    auto pick_job = [&cmd, &output] {
         for (auto it {mex_compilation_queue.begin()}; it != mex_compilation_queue.end(); ++it)
           if (const auto& prerequisites {get<1>(*it)}; // Will become dangling after erase
               includes(mex_compilation_done.begin(), mex_compilation_done.end(),
@@ -1968,27 +1970,32 @@ ModelTree::initializeMEXCompilationWorkers(int numworkers, const filesystem::pat
               mex_compilation_failed.insert(output);
             else
               mex_compilation_done.insert(output);
+  */
             /* The object just compiled may be a prerequisite for several
                other objects, so notify all waiting workers. Also needed to
                notify the main thread when in
                ModelTree::waitForMEXCompilationWorkers().*/
-            mex_compilation_cv.notify_all();
+  /*
+    mex_compilation_cv.notify_all();
           }
     });
-
+  */
   /* Set some environment variables needed for compilation on Windows/MATLAB
      and macOS/Octave.
      For Windows/MATLAB, this should be done only once, because otherwise
      the PATH variable can become too long and GCC will not be found. */
+  /*
   if (mexext == "mexw64")
     {
       // Put the MinGW environment shipped with Dynare in the path
       auto mingwpath = dynareroot / "mingw64" / "bin";
       string newpath = "PATH=" + mingwpath.string() + ';' + getenv("PATH");
+  */
       /* We can’t use setenv() since it is not available on MinGW. Note that
          putenv() seems to make an internal copy of the string on MinGW,
          contrary to what is done on GNU/Linux and macOS. */
-      if (putenv(const_cast<char*>(newpath.c_str())) != 0)
+  /*
+    if (putenv(const_cast<char *>(newpath.c_str())) != 0)
         {
           cerr << "Can't set PATH" << endl;
           exit(EXIT_FAILURE);
@@ -1997,10 +2004,12 @@ ModelTree::initializeMEXCompilationWorkers(int numworkers, const filesystem::pat
 #ifdef __APPLE__
   else if (mexext == "mex")
     {
+  */
       /* On macOS, with Octave, enforce our compiler. In particular this is
          necessary if we’ve selected GCC; otherwise Clang will be used, and
          it does not accept the same optimization flags (see dynare#1797) */
-      auto [compiler_path, is_clang] {findCompilerOnMacos(mexext)};
+  /*
+  auto [compiler_path, is_clang] { findCompilerOnMacos(mexext) };
       if (setenv("CC", compiler_path.c_str(), 1) != 0)
         {
           cerr << "Can't set CC environment variable" << endl;
@@ -2013,7 +2022,8 @@ ModelTree::initializeMEXCompilationWorkers(int numworkers, const filesystem::pat
           exit(EXIT_FAILURE);
         }
     }
-*/
+#endif
+  */
 }
 
 void