diff --git a/.github/workflows/__build-mode-none.yml b/.github/workflows/__build-mode-none.yml
index 822f7fc48..66dd220dd 100644
--- a/.github/workflows/__build-mode-none.yml
+++ b/.github/workflows/__build-mode-none.yml
@@ -79,7 +79,10 @@ jobs:
           exit 1
         fi
 
+  # The latest nightly supports omitting the autobuild Action when the build mode is specified.
     - uses: ./../action/autobuild
+      if: matrix.version != 'nightly-latest'
+
     - uses: ./../action/analyze
     env:
       CODEQL_ACTION_TEST_MODE: true
diff --git a/pr-checks/checks/build-mode-none.yml b/pr-checks/checks/build-mode-none.yml
index e8d62286f..43b22bf3a 100644
--- a/pr-checks/checks/build-mode-none.yml
+++ b/pr-checks/checks/build-mode-none.yml
@@ -20,5 +20,8 @@ steps:
         exit 1
       fi
 
+  # The latest nightly supports omitting the autobuild Action when the build mode is specified.
   - uses: ./../action/autobuild
+    if: matrix.version != 'nightly-latest'
+
   - uses: ./../action/analyze