diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
index fc08c42bd35..2a0c26a0fec 100644
--- a/Modules/_ctypes/callproc.c
+++ b/Modules/_ctypes/callproc.c
@@ -1405,7 +1405,7 @@ static PyObject *load_library(PyObject *self, PyObject *args)
 #ifdef _WIN64
     return PyLong_FromVoidPtr(hMod);
 #else
-    return Py_BuildValue("i", hMod);
+    return PyLong_FromLong((int)hMod);
 #endif
 }
 
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index d339a8aa798..d04d1e973af 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -3673,7 +3673,7 @@ _curses_mousemask_impl(PyObject *module, unsigned long newmask)
 #endif
 
 /*[clinic input]
-_curses.napms
+_curses.napms -> int
 
     ms: int
         Duration in milliseconds.
@@ -3682,13 +3682,13 @@ _curses.napms
 Sleep for specified time.
 [clinic start generated code]*/
 
-static PyObject *
+static int
 _curses_napms_impl(PyObject *module, int ms)
-/*[clinic end generated code: output=a40a1da2e39ea438 input=20cd3af2b6900f56]*/
+/*[clinic end generated code: output=5f292a6a724491bd input=c6d6e01f2f1df9f7]*/
 {
     PyCursesInitialised;
 
-    return Py_BuildValue("i", napms(ms));
+    return napms(ms);
 }
 
 
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 684a628806f..9938ed5f809 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -4060,8 +4060,8 @@ static PyObject *
 timezone_getinitargs(PyDateTime_TimeZone *self, PyObject *Py_UNUSED(ignored))
 {
     if (self->name == NULL)
-        return Py_BuildValue("(O)", self->offset);
-    return Py_BuildValue("(OO)", self->offset, self->name);
+        return PyTuple_Pack(1, self->offset);
+    return PyTuple_Pack(2, self->offset, self->name);
 }
 
 static PyMethodDef timezone_methods[] = {
diff --git a/Modules/_opcode.c b/Modules/_opcode.c
index dac9c019b24..f0b547795b8 100644
--- a/Modules/_opcode.c
+++ b/Modules/_opcode.c
@@ -244,8 +244,7 @@ _opcode_get_nb_ops_impl(PyObject *module)
     }
 #define ADD_NB_OP(NUM, STR) \
     do { \
-        PyObject *pair = Py_BuildValue( \
-            "NN", PyUnicode_FromString(#NUM), PyUnicode_FromString(STR)); \
+        PyObject *pair = Py_BuildValue("ss", #NUM, STR); \
         if (pair == NULL) { \
             Py_DECREF(list); \
             return NULL; \
diff --git a/Modules/_winapi.c b/Modules/_winapi.c
index eec33499b98..8c48b6f3ec6 100644
--- a/Modules/_winapi.c
+++ b/Modules/_winapi.c
@@ -212,7 +212,7 @@ class DWORD_return_converter(CReturnConverter):
         self.declare(data)
         self.err_occurred_if("_return_value == PY_DWORD_MAX", data)
         data.return_conversion.append(
-            'return_value = Py_BuildValue("k", _return_value);\n')
+            'return_value = PyLong_FromUnsignedLong(_return_value);\n')
 
 class LPVOID_return_converter(CReturnConverter):
     type = 'LPVOID'
@@ -223,7 +223,7 @@ class LPVOID_return_converter(CReturnConverter):
         data.return_conversion.append(
             'return_value = HANDLE_TO_PYNUM(_return_value);\n')
 [python start generated code]*/
-/*[python end generated code: output=da39a3ee5e6b4b0d input=011ee0c3a2244bfe]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=ef52a757a1830d92]*/
 
 #include "clinic/_winapi.c.h"
 
diff --git a/Modules/_zoneinfo.c b/Modules/_zoneinfo.c
index 3f14dd13988..97e550197a2 100644
--- a/Modules/_zoneinfo.c
+++ b/Modules/_zoneinfo.c
@@ -816,7 +816,7 @@ zoneinfo_ZoneInfo__unpickle_impl(PyTypeObject *type, PyTypeObject *cls,
 /*[clinic end generated code: output=556712fc709deecb input=6ac8c73eed3de316]*/
 {
     if (from_cache) {
-        PyObject *val_args = Py_BuildValue("(O)", key);
+        PyObject *val_args = PyTuple_Pack(1, key);
         if (val_args == NULL) {
             return NULL;
         }
diff --git a/Modules/clinic/_cursesmodule.c.h b/Modules/clinic/_cursesmodule.c.h
index dd9f1ab6841..f7e0aaf7b23 100644
--- a/Modules/clinic/_cursesmodule.c.h
+++ b/Modules/clinic/_cursesmodule.c.h
@@ -3163,7 +3163,7 @@ PyDoc_STRVAR(_curses_napms__doc__,
 #define _CURSES_NAPMS_METHODDEF    \
     {"napms", (PyCFunction)_curses_napms, METH_O, _curses_napms__doc__},
 
-static PyObject *
+static int
 _curses_napms_impl(PyObject *module, int ms);
 
 static PyObject *
@@ -3171,12 +3171,17 @@ _curses_napms(PyObject *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     int ms;
+    int _return_value;
 
     ms = PyLong_AsInt(arg);
     if (ms == -1 && PyErr_Occurred()) {
         goto exit;
     }
-    return_value = _curses_napms_impl(module, ms);
+    _return_value = _curses_napms_impl(module, ms);
+    if ((_return_value == -1) && PyErr_Occurred()) {
+        goto exit;
+    }
+    return_value = PyLong_FromLong((long)_return_value);
 
 exit:
     return return_value;
@@ -4313,4 +4318,4 @@ _curses_has_extended_color_support(PyObject *module, PyObject *Py_UNUSED(ignored
 #ifndef _CURSES_USE_DEFAULT_COLORS_METHODDEF
     #define _CURSES_USE_DEFAULT_COLORS_METHODDEF
 #endif /* !defined(_CURSES_USE_DEFAULT_COLORS_METHODDEF) */
-/*[clinic end generated code: output=24ad16254d1eef9c input=a9049054013a1b77]*/
+/*[clinic end generated code: output=96887782374f070a input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_winapi.c.h b/Modules/clinic/_winapi.c.h
index ae8cc1d6283..3a3231c051e 100644
--- a/Modules/clinic/_winapi.c.h
+++ b/Modules/clinic/_winapi.c.h
@@ -568,7 +568,7 @@ _winapi_GetExitCodeProcess(PyObject *module, PyObject *arg)
     if ((_return_value == PY_DWORD_MAX) && PyErr_Occurred()) {
         goto exit;
     }
-    return_value = Py_BuildValue("k", _return_value);
+    return_value = PyLong_FromUnsignedLong(_return_value);
 
 exit:
     return return_value;
@@ -595,7 +595,7 @@ _winapi_GetLastError(PyObject *module, PyObject *Py_UNUSED(ignored))
     if ((_return_value == PY_DWORD_MAX) && PyErr_Occurred()) {
         goto exit;
     }
-    return_value = Py_BuildValue("k", _return_value);
+    return_value = PyLong_FromUnsignedLong(_return_value);
 
 exit:
     return return_value;
@@ -1305,7 +1305,7 @@ _winapi_GetFileType(PyObject *module, PyObject *const *args, Py_ssize_t nargs, P
     if ((_return_value == PY_DWORD_MAX) && PyErr_Occurred()) {
         goto exit;
     }
-    return_value = Py_BuildValue("k", _return_value);
+    return_value = PyLong_FromUnsignedLong(_return_value);
 
 exit:
     return return_value;
@@ -1479,4 +1479,4 @@ exit:
 
     return return_value;
 }
-/*[clinic end generated code: output=aaf29735c47f55fe input=a9049054013a1b77]*/
+/*[clinic end generated code: output=e1a9908bb82a6379 input=a9049054013a1b77]*/
diff --git a/Modules/overlapped.c b/Modules/overlapped.c
index e23db22dadb..fd40e91d0f5 100644
--- a/Modules/overlapped.c
+++ b/Modules/overlapped.c
@@ -599,8 +599,7 @@ _overlapped_FormatMessage_impl(PyObject *module, DWORD code)
     if (n) {
         while (iswspace(lpMsgBuf[n-1]))
             --n;
-        lpMsgBuf[n] = L'\0';
-        res = Py_BuildValue("u", lpMsgBuf);
+        res = PyUnicode_FromWideChar(lpMsgBuf, n);
     } else {
         res = PyUnicode_FromFormat("unknown error code %u", code);
     }
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 650ae4bbd68..f9797f6d708 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -11276,9 +11276,9 @@ os_sendfile_impl(PyObject *module, int out_fd, int in_fd, PyObject *offobj,
 
 done:
     #if !defined(HAVE_LARGEFILE_SUPPORT)
-        return Py_BuildValue("l", sbytes);
+        return PyLong_FromLong(sbytes);
     #else
-        return Py_BuildValue("L", sbytes);
+        return PyLong_FromLongLong(sbytes);
     #endif
 
 #else
@@ -11291,7 +11291,7 @@ done:
         } while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
         if (ret < 0)
             return (!async_err) ? posix_error() : NULL;
-        return Py_BuildValue("n", ret);
+        return PyLong_FromSsize_t(ret);
     }
 #endif
     off_t offset;
@@ -11312,7 +11312,7 @@ done:
         return (!async_err) ? posix_error() : NULL;
 
     if (offset >= st.st_size) {
-        return Py_BuildValue("i", 0);
+        return PyLong_FromLong(0);
     }
 
     // On illumos specifically sendfile() may perform a partial write but
@@ -11338,7 +11338,7 @@ done:
     } while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
     if (ret < 0)
         return (!async_err) ? posix_error() : NULL;
-    return Py_BuildValue("n", ret);
+    return PyLong_FromSsize_t(ret);
 #endif
 }
 #endif /* HAVE_SENDFILE */
diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
index bd24523eac8..21579a80dd7 100644
--- a/Modules/pyexpat.c
+++ b/Modules/pyexpat.c
@@ -895,7 +895,7 @@ static PyObject *
 pyexpat_xmlparser_GetBase_impl(xmlparseobject *self)
 /*[clinic end generated code: output=2886cb21f9a8739a input=918d71c38009620e]*/
 {
-    return Py_BuildValue("z", XML_GetBase(self->itself));
+    return conv_string_to_unicode(XML_GetBase(self->itself));
 }
 
 /*[clinic input]
@@ -1585,7 +1585,7 @@ static PyObject *
 pyexpat_ErrorString_impl(PyObject *module, long code)
 /*[clinic end generated code: output=2feae50d166f2174 input=cc67de010d9e62b3]*/
 {
-    return Py_BuildValue("z", XML_ErrorString((int)code));
+    return conv_string_to_unicode(XML_ErrorString((int)code));
 }
 
 /* List of methods defined in the module */
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index bc5cdf0ab6b..2932d94858a 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -657,7 +657,7 @@ signal_strsignal_impl(PyObject *module, int signalnum)
         Py_RETURN_NONE;
 #endif
 
-    return Py_BuildValue("s", res);
+    return PyUnicode_FromString(res);
 }
 
 #ifdef HAVE_SIGINTERRUPT
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 3d099d41d1e..5064aa28d61 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1489,9 +1489,7 @@ makesockaddr(SOCKET_T sockfd, struct sockaddr *addr, size_t addrlen, int proto)
 #if defined(__NetBSD__) || defined(__DragonFly__)
             return makebdaddr(&_BT_HCI_MEMB(a, bdaddr));
 #else /* __NetBSD__ || __DragonFly__ */
-            PyObject *ret = NULL;
-            ret = Py_BuildValue("i", _BT_HCI_MEMB(a, dev));
-            return ret;
+            return PyLong_FromLong(_BT_HCI_MEMB(a, dev));
 #endif /* !(__NetBSD__ || __DragonFly__) */
         }