diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index da9b1a5..ab127a1 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -28,12 +28,9 @@ jobs:
           pip install -r requirements-tests.txt
           pip install pytest pytest-cov
 
-      - name: Export environment variable
-        run: echo "LRU_CACHE_MAXSIZE=0" >> $GITHUB_ENV 
-
       - name: Run tests with coverage
         env:
-          LRU_CACHE_MAXSIZE: ${{ env.LRU_CACHE_MAXSIZE }}
+          LRU_CACHE_MAXSIZE: '0'
         run: pytest --cov tests
 
       - name: Upload coverage reports to Codecov