diff --git a/package/gstreamer/gst-plugins-good/Config.in b/package/gstreamer/gst-plugins-good/Config.in
index 9c2b884dea..3ec93cfa10 100644
--- a/package/gstreamer/gst-plugins-good/Config.in
+++ b/package/gstreamer/gst-plugins-good/Config.in
@@ -207,6 +207,7 @@ config BR2_PACKAGE_GST_PLUGINS_GOOD_PLUGIN_OSS4
 config BR2_PACKAGE_GST_PLUGINS_GOOD_PLUGIN_PULSE
 	depends on BR2_TOOLCHAIN_HAS_THREADS # pulseaudio
 	depends on BR2_LARGEFILE # pulseaudio -> libsndfile
+	depends on BR2_USE_MMU # pulseaudio
 	select BR2_PACKAGE_PULSEAUDIO
 	bool "pulseaudio"
 
diff --git a/package/gstreamer1/gst1-plugins-good/Config.in b/package/gstreamer1/gst1-plugins-good/Config.in
index 9fd6114f3b..7159c5a0a3 100644
--- a/package/gstreamer1/gst1-plugins-good/Config.in
+++ b/package/gstreamer1/gst1-plugins-good/Config.in
@@ -303,6 +303,7 @@ comment "gdkpixbuf needs a toolchain w/ wchar, threads"
 config BR2_PACKAGE_GST1_PLUGINS_GOOD_PLUGIN_PULSE
 	depends on BR2_TOOLCHAIN_HAS_THREADS # pulseaudio
 	depends on BR2_LARGEFILE # pulseaudio -> libsndfile
+	depends on BR2_USE_MMU # pulseaudio
 	select BR2_PACKAGE_PULSEAUDIO
 	bool "pulseaudio"
 	help
diff --git a/package/mpd/Config.in b/package/mpd/Config.in
index 7237b89d3f..1bf7ad121d 100644
--- a/package/mpd/Config.in
+++ b/package/mpd/Config.in
@@ -48,6 +48,7 @@ config BR2_PACKAGE_MPD_PULSEAUDIO
 	bool "pulseaudio"
 	depends on BR2_TOOLCHAIN_HAS_THREADS # pulseaudio
 	depends on BR2_LARGEFILE # pulseaudio -> libsndfile
+	depends on BR2_USE_MMU # pulseaudio
 	select BR2_PACKAGE_PULSEAUDIO
 	help
 	  Enable pulseaudio output support.
diff --git a/package/pulseaudio/Config.in b/package/pulseaudio/Config.in
index e5b9d8a476..ac6222c59a 100644
--- a/package/pulseaudio/Config.in
+++ b/package/pulseaudio/Config.in
@@ -7,6 +7,7 @@ config BR2_PACKAGE_PULSEAUDIO
 	select BR2_PACKAGE_LIBSNDFILE
 	select BR2_PACKAGE_SPEEX
 	depends on BR2_LARGEFILE
+	depends on BR2_USE_MMU # fork()
 	help
 	  PulseAudio is a sound system for POSIX OSes, meaning that it
 	  is a proxy for your sound applications. It allows you to do
@@ -30,4 +31,5 @@ config BR2_PACKAGE_PULSEAUDIO_DAEMON
 endif
 
 comment "pulseaudio needs a toolchain w/ wchar, largefile, threads"
+	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_LARGEFILE || !BR2_TOOLCHAIN_HAS_THREADS