diff --git a/.drone.yml b/.drone.yml
index b5d60b3..97e1315 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -27,9 +27,6 @@ steps:
 - name: unit tests
   image: ci:latest
   pull: if-not-exists
-  environment:
-    - DISPLAY=${DISPLAY}
-
   commands:
     - env
     - echo ${PATH}