diff --git a/tools/build-system/build_tarball.sh b/tools/build-system/build_tarball.sh
index 8240531cd6aa7a5527e5e27770a72a7b0af83648..60b4cb49ee085c32c9acf4faf7256abc074fd06a 100755
--- a/tools/build-system/build_tarball.sh
+++ b/tools/build-system/build_tarball.sh
@@ -83,9 +83,7 @@ sed -e 's/ -lmilenage-$(TARGET_NAME) / /' build.mak.in > build.mak.in.new
 mv build.mak.in.new build.mak.in
 sed -e 's/ $(PJ_DIR)\/third_party\/lib\/libmilenage-$(LIB_SUFFIX) / /' build.mak.in > build.mak.in.new
 mv build.mak.in.new build.mak.in
-rm -rf third_party/build/ilbc/
 rm -rf third_party/build/milenage/
-rm -rf third_party/ilbc/
 rm -rf third_party/milenage/
 
 aclocal --force