diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index e8c15a9473..d137d63d09 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -8522,7 +8522,7 @@ os_mkfifo_impl(PyObject *module, path_t *path, int mode, int dir_fd)
 
     do {
         Py_BEGIN_ALLOW_THREADS
-#ifdef HAVE_MKFIFOAT
+#if defined(HAVE_MKFIFOAT) && ! defined(__ANDROID__)
         if (dir_fd != DEFAULT_DIR_FD)
             result = mkfifoat(dir_fd, path->narrow, mode);
         else
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index 7982139822..d89a11899b 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -971,7 +971,7 @@ fill_siginfo(siginfo_t *si)
 }
 #endif
 
-#ifdef HAVE_SIGWAITINFO
+#if defined(HAVE_SIGWAITINFO) && ! defined(__ANDROID__)
 
 /*[clinic input]
 signal.sigwaitinfo
@@ -1010,7 +1010,7 @@ signal_sigwaitinfo(PyObject *module, PyObject *sigset)
 
 #endif   /* #ifdef HAVE_SIGWAITINFO */
 
-#ifdef HAVE_SIGTIMEDWAIT
+#if defined(HAVE_SIGTIMEDWAIT) && ! defined(__ANDROID__)
 
 /*[clinic input]
 signal.sigtimedwait
@@ -1136,8 +1136,10 @@ static PyMethodDef signal_methods[] = {
     SIGNAL_PTHREAD_SIGMASK_METHODDEF
     SIGNAL_SIGPENDING_METHODDEF
     SIGNAL_SIGWAIT_METHODDEF
+#ifndef __ANDROID__
     SIGNAL_SIGWAITINFO_METHODDEF
     SIGNAL_SIGTIMEDWAIT_METHODDEF
+#endif
     {NULL, NULL}           /* sentinel */
 };