diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/make.defaults b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/make.defaults
index 581f3a7b8d..9fb8af5bf4 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/make.defaults
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/make.defaults
@@ -11,10 +11,6 @@ USE_EXPAND="${USE_EXPAND} GO_VERSION"
 # Extra use flags for CoreOS SDK
 USE="${USE} cros_host expat -cracklib -introspection -cups -tcpd -berkdb"
 
-# Only net-analyzer/nmap uses lua and it's compatible only with lua5-4.
-LUA_SINGLE_TARGET="lua5-4"
-LUA_TARGETS="lua5-4"
-
 # Use Python 3 as the default version
 USE="${USE} -python_single_target_python2_7 python_single_target_python3_11"
 USE="${USE} -python_targets_python2_7 python_targets_python3_11"
diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use
index a05049fefd..2f0b0c111d 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use
@@ -21,9 +21,6 @@ sys-libs/gdbm berkdb
 
 dev-vcs/git -perl -iconv
 
-# symlink: to add a link between ncat and nc
-net-analyzer/nmap ncat symlink
-
 # removes mta dependencies
 app-admin/sudo -sendmail
 
diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/oem-aci/make.defaults b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/oem-aci/make.defaults
index e8cb561b71..24138b6f58 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/oem-aci/make.defaults
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/oem-aci/make.defaults
@@ -20,14 +20,6 @@ INSTALL_MASK="${INSTALL_MASK}
   /usr/src
 "
 
-# Exclude nmap from OEM ACI, we just want ncat/nping in there.
-# Also remove ncat's second ca-bundle.crt, just use the system's.
-INSTALL_MASK="${INSTALL_MASK}
-  /usr/bin/nmap
-  /usr/share/ncat
-  /usr/share/nmap
-"
-
 # Remove files which depend on interpreters not present in boards.
 INSTALL_MASK="${INSTALL_MASK}
   /usr/share/git/contrib/*
diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/prod/make.defaults b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/prod/make.defaults
index 6a34f638ba..c9ba98cfe3 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/prod/make.defaults
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/prod/make.defaults
@@ -24,14 +24,6 @@ INSTALL_MASK="${INSTALL_MASK}
   /usr/src
 "
 
-# Exclude nmap from prod image, we just want ncat/nping in there
-# Also remove ncat's second ca-bundle.crt, just use the system's
-INSTALL_MASK="${INSTALL_MASK}
-  /usr/bin/nmap
-  /usr/share/ncat
-  /usr/share/nmap
-"
-
 # Remove files which depend on interpreters not present in boards.
 INSTALL_MASK="${INSTALL_MASK}
   /usr/lib*/systemd/system/xfs_scrub_all*