diff --git a/.github/workflows/TauDEM.yaml b/.github/workflows/TauDEM.yaml
index 82918ff..b108659 100644
--- a/.github/workflows/TauDEM.yaml
+++ b/.github/workflows/TauDEM.yaml
@@ -29,21 +29,6 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Install required pkgs for linux
-        if: runner.os == 'Linux'
-        run: |
-          sudo apt-get update
-          sudo apt-get install gdal-bin libgdal-dev mpich
-
-      - name: Install required pkgs for mac
-        if: runner.os == 'macOS'
-        run: |
-          brew install gdal mpich
-
-      - name: Install TauDEM on linux and mac
-        if: runner.os != 'Windows'
-        run: sh ./TauDEM.sh
-
       - name: Install TauDEM on Windows
         if: runner.os == 'Windows'
         run: |