diff --git a/.github/workflows/build_push.yml b/.github/workflows/build_push.yml
index 399280a2..674aaba1 100644
--- a/.github/workflows/build_push.yml
+++ b/.github/workflows/build_push.yml
@@ -23,7 +23,6 @@ jobs:
     name: Prepare job
     runs-on: docker
     container: 
-      env: CI_CHUNK_NUM: 10
     outputs:
       individualMatrix: ${{ steps.generate-matrices.outputs.individualMatrix }}
     steps: