diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use.mask b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use.mask
index 53d3e82b68..9c3c4b3929 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use.mask
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use.mask
@@ -12,3 +12,6 @@ sys-apps/util-linux python
 
 # not needed, requires lots of Perl
 sys-boot/syslinux perl
+
+# not needed, problems building with GCC 7.3.0
+sys-libs/ncurses cxx