diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 713fa70..915ef10 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -31,9 +31,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          mkdir -p WallGoMatrix
           cp -r src WallGoMatrix/
-          cp src/*.m WallGoMatrix/src/
           cp WallGoMatrix.m WallGoMatrix/
           zip WallGoMatrix_${{ github.ref_name }}.zip WallGoMatrix
           rm -r WallGoMatrix