diff --git a/script/deploy b/script/deploy
index fcb2db4e29bbe632e932dadfcc309025c9a53eaf..b6da3f8f848e02e236095c3d70e2823cf0efcebd 100755
--- a/script/deploy
+++ b/script/deploy
@@ -4,13 +4,17 @@ set -eu
 source script/lib/deploy-helpers.sh
 
 if [[ $# < 2 ]]; then
-  # TODO kb nightly deploy?
-  echo "Usage: $0 <production|staging|preview> <tag-name>"
+  echo "Usage: $0 <production|staging|preview> <tag-name> (nightly is not yet supported)"
   exit 1
 fi
 environment=$1
 version=$2
 
+if [[ ${environment} == "nightly" ]]; then
+  echo "nightly is not yet supported"
+  exit 1
+fi
+
 export_vars_for_environment ${environment}
 image_id=$(image_id_for_version ${version})
 
diff --git a/script/deploy-migration b/script/deploy-migration
index 4ea36993fe5c40e1761f8c8e41d794bac81de820..340e6cef1f6a25bcc341586f8cd10fccd91a4673 100755
--- a/script/deploy-migration
+++ b/script/deploy-migration
@@ -4,13 +4,17 @@ set -eu
 source script/lib/deploy-helpers.sh
 
 if [[ $# < 2 ]]; then
-  # TODO kb nightly migrations?
-  echo "Usage: $0 <production|staging|preview> <tag-name>"
+  echo "Usage: $0 <production|staging|preview> <tag-name> (nightly is not yet supported)"
   exit 1
 fi
 environment=$1
 version=$2
 
+if [[ ${environment} == "nightly" ]]; then
+  echo "nightly is not yet supported"
+  exit 1
+fi
+
 export_vars_for_environment ${environment}
 image_id=$(image_id_for_version ${version})
 
diff --git a/script/what-is-deployed b/script/what-is-deployed
index 6d18edbd311381d9a5ef30b1636e44269c478e7b..b6a68dd3b3245bdf925ffe2d80c23725e43c1c81 100755
--- a/script/what-is-deployed
+++ b/script/what-is-deployed
@@ -4,12 +4,16 @@ set -eu
 source script/lib/deploy-helpers.sh
 
 if [[ $# < 1 ]]; then
-  # TODO kb infra for nightly?
-  echo "Usage: $0 <production|staging|preview>"
+  echo "Usage: $0 <production|staging|preview> (nightly is not yet supported)"
   exit 1
 fi
 environment=$1
 
+if [[ ${environment} == "nightly" ]]; then
+  echo "nightly is not yet supported"
+  exit 1
+fi
+
 export_vars_for_environment ${environment}
 target_zed_kube_cluster