diff --git a/.github/workflows/PR-arm.yml b/.github/workflows/PR-arm.yml
index cba5561d2a0d7..5dfad362431da 100644
--- a/.github/workflows/PR-arm.yml
+++ b/.github/workflows/PR-arm.yml
@@ -59,9 +59,6 @@ jobs:
           eval "$(conda shell.bash hook)"
           conda activate bioconda
 
-          # Use SDK with arm64 support
-          export MACOSX_DEPLOYMENT_TARGET=11.0
-
           # Clean up lingering build artifacts
           rm -f /opt/mambaforge/envs/bioconda/conda-bld/osx-arm64/*.tar.bz2