diff --git a/build/push-federation-images.sh b/build/push-federation-images.sh
index 7085f6cb47a..3ebf7d4dce2 100755
--- a/build/push-federation-images.sh
+++ b/build/push-federation-images.sh
@@ -23,7 +23,6 @@ set -o pipefail
 KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
 
 source "${KUBE_ROOT}/build/util.sh"
-source "${KUBE_ROOT}/build/lib/release.sh"
 
 source "${KUBE_ROOT}/federation/cluster/common.sh"