diff --git a/sdk_container/src/third_party/coreos-overlay/coreos/config/env/sys-devel/libtool b/sdk_container/src/third_party/coreos-overlay/coreos/config/env/sys-devel/libtool
deleted file mode 100644
index 47d205fa5f..0000000000
--- a/sdk_container/src/third_party/coreos-overlay/coreos/config/env/sys-devel/libtool
+++ /dev/null
@@ -1,4 +0,0 @@
-# Remove the *.la masking since libtool's autoconf detection code
-# relies on its existence.
-INSTALL_MASK=${INSTALL_MASK/\/usr\/lib\*\/\*.la}
-PKG_INSTALL_MASK=${PKG_INSTALL_MASK/\/usr\/lib\*\/\*.la}