diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.unmask b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.unmask
index 097022d351..7fb457c8f5 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.unmask
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.unmask
@@ -1,7 +1,3 @@
-# masked upstream due to lua dep, but we don't enable lua support
-~net-analyzer/nmap-6.40
-
 # masked in portage-stable, but is unmasked in upstream.
 # remove this when upstream portage-stable package.mask is sync'd.
 =sys-block/open-iscsi-2.0.873
-