diff --git a/functions b/functions
index b4e8463..797b7a1 100644
--- a/functions
+++ b/functions
@@ -203,3 +203,11 @@ failcache_failure() {
     mkdir -p "${option_failcache_dir}"
     echo "${BUILDBOT_BUILDURL:-unknown}" > "${option_failcache_dir}/${key}"
 }
+
+get-maintainers() {
+    # 'username@macports.org github_username' => 'username@macports.org'
+    # $option_prefix is set in mpbb
+    # shellcheck disable=SC2154
+    "${option_prefix}/bin/port" info --index --maintainers --line "$@" \
+        | tr ', ' '\n' | fgrep '@' | tr '\n' ',' | sed 's/,$//'
+}
diff --git a/mpbb-install-dependencies b/mpbb-install-dependencies
index d95d66e..f83ec20 100644
--- a/mpbb-install-dependencies
+++ b/mpbb-install-dependencies
@@ -17,14 +17,6 @@ Run \`$prog help' for global options and a list of other subcommands.
 EOF
 }
 
-get-maintainers() {
-    # 'username@macports.org github_username' => 'username@macports.org'
-    # $option_prefix is set in mpbb
-    # shellcheck disable=SC2154
-    "${option_prefix}/bin/port" info --index --maintainers --line "$@" \
-        | tr ', ' '\n' | fgrep '@' | tr '\n' ',' | sed 's/,$//'
-}
-
 install-dependencies() {
     local port=${1-}
     if [[ -z $port ]]; then
diff --git a/mpbb-install-port b/mpbb-install-port
index 4de432d..33099da 100644
--- a/mpbb-install-port
+++ b/mpbb-install-port
@@ -17,14 +17,6 @@ Run \`$prog help' for global options and a list of other subcommands.
 EOF
 }
 
-get-maintainers() {
-    # 'username@macports.org github_username' => 'username@macports.org'
-    # $option_prefix is set in mpbb
-    # shellcheck disable=SC2154
-    "${option_prefix}/bin/port" info --index --maintainers --line "$@" \
-        | tr ', ' '\n' | fgrep '@' | tr '\n' ',' | sed 's/,$//'
-}
-
 install-port() {
     local port=${1-}
     if [[ -z $port ]]; then