diff --git a/sflphone-common/libs/pjproject-1.0.3/third_party/build/os-auto.mak b/sflphone-common/libs/pjproject-1.0.3/third_party/build/os-auto.mak
deleted file mode 100644
index 16e37e22b0f30fdb29d2b9a6f62255d41e3bc2d0..0000000000000000000000000000000000000000
--- a/sflphone-common/libs/pjproject-1.0.3/third_party/build/os-auto.mak
+++ /dev/null
@@ -1,16 +0,0 @@
-
-ifneq (,1)
-DIRS += gsm
-endif
-
-ifneq (,1)
-DIRS += ilbc
-endif
-
-ifneq (,1)
-DIRS += speex
-endif
-
-ifneq ($(findstring pa,pa_unix),)
-DIRS += portaudio
-endif