diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 506f6fb75..b2cb1783b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -99,14 +99,6 @@ jobs:
           curl -sL "https://sourceforge.net/projects/nsis/files/NSIS%203/${nsis_version}/nsis-${nsis_version}-log.zip/download" -o "nsis-${nsis_version}-log.zip"
           7z x "nsis-${nsis_version}-log.zip" -aoa -o"$CONDA_PREFIX/NSIS/"
           echo "NSIS_USING_LOG_BUILD=1" >> $GITHUB_ENV
-      - name: Set temp dirs correctly
-        if: startsWith(matrix.os, 'windows')
-        # https://github.com/actions/virtual-environments/issues/712
-        shell: powershell
-        run: |
-          echo "TMPDIR=$env:USERPROFILE\AppData\Local\Temp" >> $env:GITHUB_ENV
-          echo "TEMP=$env:USERPROFILE\AppData\Local\Temp" >> $env:GITHUB_ENV
-          echo "TMP=$env:USERPROFILE\AppData\Local\Temp" >> $env:GITHUB_ENV
       - name: Generate self-signed certificate (Windows)
         if: startsWith(matrix.os, 'windows')
         shell: cmd