diff --git a/.github/workflows/maintain-runners.yml b/.github/workflows/maintain-runners.yml
index e025029c..64e16d96 100644
--- a/.github/workflows/maintain-runners.yml
+++ b/.github/workflows/maintain-runners.yml
@@ -148,8 +148,9 @@ jobs:
           sudo rm *.conf 2>/dev/null || true
           sudo rm *.txt 2>/dev/null || true
           sudo rm -rf cache/sources/ || true
-          sudo rm -rf output/ || true
+          sudo rm -rf output/ || true          
           sudo chown -R $USER:$USER build || true
+          rm $HOME/.ssh/known_hosts
 
       - name: Checkout Armbian build script
         uses: actions/checkout@v2