diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/dev/make.defaults b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/dev/make.defaults
new file mode 100644
index 0000000000..b1c02221ae
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/dev/make.defaults
@@ -0,0 +1,7 @@
+# Copyright (c) 2014 The CoreOS Authors. All rights reserved.
+# Distributed under the terms of the GNU General Public License v2
+
+# full debug info is way to big to fit into our 1GB /usr partitions.
+INSTALL_MASK="${INSTALL_MASK}
+    /usr/lib/debug
+"
diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/prod/make.defaults b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/prod/make.defaults
new file mode 100644
index 0000000000..e37423ee7f
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/prod/make.defaults
@@ -0,0 +1,6 @@
+# Copyright (c) 2014 The CoreOS Authors. All rights reserved.
+# Distributed under the terms of the GNU General Public License v2
+
+# default to the full PROD_INSTALL_MASK
+# TODO: after transitioning that list will just be defined here.
+INSTALL_MASK="${PROD_INSTALL_MASK}"