diff --git a/dropbear_install b/dropbear_install
index dfdefc4..620f479 100644
--- a/dropbear_install
+++ b/dropbear_install
@@ -6,8 +6,6 @@ get_fingerprint() {
 }
 
 display_fingerprints() {
-    keyfile
-
     for keyfile in "/etc/dropbear/dropbear_rsa_host_key" "/etc/dropbear/dropbear_ecdsa_host_key"; do
         if [ -s "${keyfile}" ]; then
             echo "$(basename "${keyfile}") : $(get_fingerprint "${keyfile}")"
@@ -37,7 +35,6 @@ copy_openssh_keys() {
 }
 
 generate_keys() {
-    keyfile keytype
     for keytype in rsa ecdsa; do
         keyfile="/etc/dropbear/dropbear_${keytype}_host_key"
         if [ ! -s "$keyfile" ]; then