diff --git a/.gitattributes b/.gitattributes
index 21290ab876c..e01372ce88b 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1316,6 +1316,7 @@ src/mame/audio/norautp.c svneol=native#text/plain
 src/mame/audio/orbit.c svneol=native#text/plain
 src/mame/audio/phoenix.c svneol=native#text/plain
 src/mame/audio/pleiads.c svneol=native#text/plain
+src/mame/audio/pleiads.h svneol=native#text/plain
 src/mame/audio/polepos.c svneol=native#text/plain
 src/mame/audio/polyplay.c svneol=native#text/plain
 src/mame/audio/poolshrk.c svneol=native#text/plain
diff --git a/src/mame/audio/pleiads.h b/src/mame/audio/pleiads.h
new file mode 100644
index 00000000000..de5f621fed0
--- /dev/null
+++ b/src/mame/audio/pleiads.h
@@ -0,0 +1,7 @@
+WRITE8_HANDLER( pleiads_sound_control_a_w );
+WRITE8_HANDLER( pleiads_sound_control_b_w );
+WRITE8_HANDLER( pleiads_sound_control_c_w );
+
+DECLARE_LEGACY_SOUND_DEVICE(PLEIADS, pleiads_sound);
+DECLARE_LEGACY_SOUND_DEVICE(NAUGHTYB, naughtyb_sound);
+DECLARE_LEGACY_SOUND_DEVICE(POPFLAME, popflame_sound);