diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1ba7f1b..f8b99a4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,10 +33,6 @@ jobs:
       - name: Build the extension
         run: |
           set -eux
-          export LANG=en_US.UTF-8
-          export LANGUAGE=en_US:en
-          export LC_ALL=en_US.UTF-8
-
           jlpm dev
 
           jupyter labextension list