diff --git a/os/arch/arm/src/cy4390x/src/.gitignore b/os/arch/arm/src/cy4390x/src/.gitignore
index c62ac5d323..7726574548 100644
--- a/os/arch/arm/src/cy4390x/src/.gitignore
+++ b/os/arch/arm/src/cy4390x/src/.gitignore
@@ -1,25 +1,4 @@
-.depend
-Make.dep
-.built
-*.o
-*.d
-*.i
-*~
-*~*
-.#*
-*#
-*.orig
-*.rej
-.swp
-.*.swp
-.gdbinit
-cscope.out
+/libboard.a
+!/libboard_audio.a
+!/libboard_noaudio.a
 
-# ctags index file
-.tags
-.tags_sorted_by_file
-
-# Developer playground
-/tmp/
-*.tmp
-*.tmp.*
diff --git a/os/arch/arm/src/cy4390x/src/libboard.a b/os/arch/arm/src/cy4390x/src/libboard_audio.a
similarity index 100%
rename from os/arch/arm/src/cy4390x/src/libboard.a
rename to os/arch/arm/src/cy4390x/src/libboard_audio.a
diff --git a/os/arch/arm/src/cy4390x/src/libboard_noaudio.a b/os/arch/arm/src/cy4390x/src/libboard_noaudio.a
new file mode 100644
index 0000000000..a96b33974b
Binary files /dev/null and b/os/arch/arm/src/cy4390x/src/libboard_noaudio.a differ