diff --git a/build_tools/update_translations.fish b/build_tools/update_translations.fish
index f69fc08cb..476b9763a 100755
--- a/build_tools/update_translations.fish
+++ b/build_tools/update_translations.fish
@@ -31,7 +31,6 @@
 set -gx LC_ALL C.UTF-8
 
 set -l build_tools (status dirname)
-set -g tmpdir
 set -l po_dir $build_tools/../po
 
 set -l extract