diff --git a/.circleci/config.yml b/.circleci/config.yml
index 26215b0..d368a96 100755
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -123,8 +123,6 @@ jobs:
           command: yarn test:e2e-browser
           environment:
             BROWSER_STRING: browserstack/local/ie:9
-            BROWSERSTACK_KEY: $BROWSERSTACK_KEY
-            BROWSERSTACK_USER: $BROWSERSTACK_USER
 
   test-e2e-edge:
     <<: *e2e_browsers