diff --git a/3rd_party/inc/pybind11/detail/internals.h b/3rd_party/inc/pybind11/detail/internals.h
index 86fbe92..31ff371 100644
--- a/3rd_party/inc/pybind11/detail/internals.h
+++ b/3rd_party/inc/pybind11/detail/internals.h
@@ -265,7 +265,6 @@ PYBIND11_NOINLINE inline internals &get_internals() {
         auto *&internals_ptr = *internals_pp;
         internals_ptr = new internals();
 #if defined(WITH_THREAD)
-        PyEval_InitThreads();
         PyThreadState *tstate = PyThreadState_Get();
         #if PY_VERSION_HEX >= 0x03070000
             internals_ptr->tstate = PyThread_tss_alloc();