diff --git a/hack/generate-groups.sh b/hack/generate-groups.sh
index 39fab3030..8f8471481 100755
--- a/hack/generate-groups.sh
+++ b/hack/generate-groups.sh
@@ -46,7 +46,6 @@ APIS_PKG="$3"
 GROUPS_WITH_VERSIONS="$4"
 shift 4
 
-#go install -mod=mod k8s.io/code-generator/cmd/{defaulter-gen,client-gen,lister-gen,informer-gen,deepcopy-gen}
 go install k8s.io/code-generator/cmd/{defaulter-gen,client-gen,lister-gen,informer-gen,deepcopy-gen}
 
 # Go installs the above commands to get installed in $GOBIN if defined, and $GOPATH/bin otherwise:
@@ -66,7 +65,8 @@ FQ_APIS+=("${APIS_PKG}/${G}/${V}")
 done
 done
 
-#set -x
+# for debugging uncomment the following line
+# set -x
 if [ "${GENS}" = "all" ] || grep -qw "deepcopy" <<<"${GENS}"; then
 echo "Generating deepcopy funcs"
 "${gobin}/deepcopy-gen" --input-dirs "$(codegen::join , "${FQ_APIS[@]}")" -O zz_generated.deepcopy --bounding-dirs "${APIS_PKG}" "$@"
diff --git a/hack/update-codegen.sh b/hack/update-codegen.sh
index e720defd5..a8bf55100 100755
--- a/hack/update-codegen.sh
+++ b/hack/update-codegen.sh
@@ -17,6 +17,7 @@
 set -o errexit
 set -o nounset
 set -o pipefail
+# for debugging uncomment the following line
 # set -x
 SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
 
@@ -31,11 +32,6 @@ ${SCRIPT_ROOT}/hack/generate-groups.sh "all" \
   --go-header-file "$(dirname ${BASH_SOURCE})/custom-boilerplate.go.txt" \
   --output-base "$(dirname ${BASH_SOURCE})/../../../.."
 
-# ${SCRIPT_ROOT}/hack/generate-groups.sh "all" \
-#   ./pkg/client ./pkg/apis \
-#   sparkoperator.k8s.io:v1beta1,v1beta2 \
-#   --go-header-file "$(dirname ${BASH_SOURCE})/custom-boilerplate.go.txt" -v 500
-
 # To use your own boilerplate text append:
 #   --go-header-file ${SCRIPT_ROOT}/hack/custom-boilerplate.go.txt