diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 802f81f1..efbb81b0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,9 +19,6 @@ jobs:
     runs-on: self-hosted
     container:
       image: ghcr.io/espressosystems/nix:main
-      credentials:
-        username: ancient123
-        password: ${{ secrets.ORG_GITHUB_PAT }}
       volumes:
         - github_nix_251:/nix
     steps:
diff --git a/.github/workflows/slow-tests.yml b/.github/workflows/slow-tests.yml
index d91d5c6b..04a43fb0 100644
--- a/.github/workflows/slow-tests.yml
+++ b/.github/workflows/slow-tests.yml
@@ -5,7 +5,7 @@ on:
     branches:
       - main
   schedule:
-    - cron: '0 1 * * 1'
+    - cron: "0 1 * * 1"
   workflow_dispatch:
 
 env:
@@ -18,9 +18,6 @@ jobs:
     runs-on: self-hosted
     container:
       image: ghcr.io/espressosystems/nix:main
-      credentials:
-        username: ancient123
-        password: ${{ secrets.ORG_GITHUB_PAT }}
       volumes:
         - github_nix_251:/nix
     steps:
diff --git a/.github/workflows/testnet-build.yml b/.github/workflows/testnet-build.yml
index 81b94200..48f66ef0 100644
--- a/.github/workflows/testnet-build.yml
+++ b/.github/workflows/testnet-build.yml
@@ -2,7 +2,7 @@ name: Testnet Build
 
 on:
   schedule:
-    - cron: '0 10 * * *' # run at 10:00 UTC
+    - cron: "0 10 * * *" # run at 10:00 UTC
   workflow_dispatch:
 
 jobs:
@@ -13,9 +13,6 @@ jobs:
     runs-on: self-hosted
     container:
       image: ghcr.io/espressosystems/nix:main
-      credentials:
-         username: ancient123
-         password: ${{ secrets.ORG_GITHUB_PAT }}
       volumes:
         - github_nix_251:/nix
     steps: