diff --git a/Modules/_multiprocessing/multiprocessing.c b/Modules/_multiprocessing/multiprocessing.c
--- a/Modules/_multiprocessing/multiprocessing.c
+++ b/Modules/_multiprocessing/multiprocessing.c
@@ -123,17 +123,17 @@ multiprocessing_send(PyObject *self, PyO
  */
 
 static PyMethodDef module_methods[] = {
 #ifdef MS_WINDOWS
     {"closesocket", multiprocessing_closesocket, METH_VARARGS, ""},
     {"recv", multiprocessing_recv, METH_VARARGS, ""},
     {"send", multiprocessing_send, METH_VARARGS, ""},
 #endif
-#ifndef POSIX_SEMAPHORES_NOT_ENABLED
+#if defined(HAVE_SEM_UNLINK) && !defined(POSIX_SEMAPHORES_NOT_ENABLED) && !defined(__ANDROID__)
     {"sem_unlink", _PyMp_sem_unlink, METH_VARARGS, ""},
 #endif
     {NULL}
 };
 
 
 /*
  * Initialize