diff --git a/.github/workflows/root-638.yml b/.github/workflows/root-638.yml
deleted file mode 100644
index d6375504d7ca9..0000000000000
--- a/.github/workflows/root-638.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-
-name: 'ROOT 6.38'
-
-on:
-  schedule:
-    - cron: '01 0 * * *'
-
-  workflow_dispatch:
-    inputs:
-      incremental:
-        description: 'Do incremental build'
-        type: boolean
-        required: true
-        default: true
-      binaries:
-        description: Create binary packages and upload them as artifacts
-        type: boolean
-        required: true
-        default: false
-      buildtype:
-        description: The CMAKE_BUILD_TYPE to use for non-Windows.
-        type: choice
-        options:
-        - Debug
-        - RelWithDebInfo
-        - Release
-        - MinSizeRel
-        default: Debug
-        required: true
-
-jobs:
-  run_nightlies:
-    uses: root-project/root/.github/workflows/root-ci.yml@v6-38-00-patches
-    secrets: inherit