diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index e5c2a9cfc1eccb..c2a4e1968bb093 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -11820,22 +11820,7 @@ os_cpu_count_impl(PyObject *module)
 {
     int ncpu = 0;
 #ifdef MS_WINDOWS
-    /* Vista is supported and the GetMaximumProcessorCount API is Win7+
-       Need to fallback to Vista behavior if this call isn't present */
-    HINSTANCE hKernel32;
-    hKernel32 = GetModuleHandleW(L"KERNEL32");
-
-    static DWORD(CALLBACK *_GetMaximumProcessorCount)(WORD) = NULL;
-    *(FARPROC*)&_GetMaximumProcessorCount = GetProcAddress(hKernel32,
-        "GetMaximumProcessorCount");
-    if (_GetMaximumProcessorCount != NULL) {
-        ncpu = _GetMaximumProcessorCount(ALL_PROCESSOR_GROUPS);
-    }
-    else {
-        SYSTEM_INFO sysinfo;
-        GetSystemInfo(&sysinfo);
-        ncpu = sysinfo.dwNumberOfProcessors;
-    }
+    ncpu = GetMaximumProcessorCount(ALL_PROCESSOR_GROUPS);
 #elif defined(__hpux)
     ncpu = mpctl(MPC_GETNUMSPUS, NULL, NULL);
 #elif defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)