diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index cafcfe9890..2a2ada3d10 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -173,14 +173,16 @@ jobs:
           os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - name: Delete Dotnet
-      run: find / -name "dotnet" -type d -exec rm -rf {} \;
-    - name: Delete Haskell
-      run: find / -name "ghc" -type d -exec rm -rf {} \;
     - uses: actions-rs/toolchain@v1
       with:
         profile: minimal
         toolchain: stable
+    - name: Remove Dotnet (macOS)
+      if: runner.os == 'macOS'
+      run: rm -rf /usr/local/bin/dotnet
+    - name: Remove Dotnet & Haskell (Linux)
+      if: runner.os == 'Linux'
+      run: rm -rf /usr/share/dotnet && rm -rf /opt/ghc
     - name: Add nightly rustfmt and clippy
       run: rustup toolchain install nightly --component rustfmt --component clippy --allow-downgrade
     - name: Add no_std toolchain