diff --git a/cd.sh b/cd.sh
index 5058593..80e40d9 100644
--- a/cd.sh
+++ b/cd.sh
@@ -373,7 +373,6 @@ Acquire::https::Verify-Peer False;
 }
 
 cd_set_packages_repositories () {
-local expression
 local file
     cd_step "Set packages repositories"
     case "${CD_OS_ID}" in