diff --git a/scripts/install b/scripts/install
index 91c9d65..103f38a 100755
--- a/scripts/install
+++ b/scripts/install
@@ -189,7 +189,6 @@ pushd "$final_path"
 	ynh_use_nodejs
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --production --frozen-lockfile
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn cache clean
-	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn add -D
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn build
 popd