diff --git a/.github/daily_ci_cases.tsv b/.github/daily_ci_cases.tsv
deleted file mode 100644
index d5f91096..00000000
--- a/.github/daily_ci_cases.tsv
+++ /dev/null
@@ -1,12 +0,0 @@
-# Daily-CI extra parametric cases.
-#
-# Format: <file>  <extra_args...>
-#   - First whitespace-separated token = file path; rest = args passed verbatim.
-#   - Each row runs *in addition* to the default invocation (every model file is
-#     always run once with no extra args).
-#   - Blank lines and lines starting with '#' are ignored.
-
-models/qwen3/14b/qwen3_14b_decode.py	--batch 1
-models/qwen3/14b/qwen3_14b_decode.py	--batch 20
-models/qwen3/14b/qwen3_14b_decode_full.py	--num-layers 1 --pass-rate 1.0
-models/qwen3/14b/qwen3_14b_decode_full.py	--num-layers 10 --pass-rate 0.999
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 16eb4c42..192cee15 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -179,6 +179,7 @@ jobs:
           git checkout ${{ env.PTO_ISA_COMMIT }}
 
       - name: Run ${{ matrix.platform }} tests
+        shell: bash
         env:
           PYTHONPATH: ${{ github.workspace }}
         run: |
@@ -323,6 +324,7 @@ jobs:
           chmod +x "$GITHUB_WORKSPACE/ptoas-bin/bin/ptoas"
 
       - name: Run a2a3 tests
+        shell: bash
         env:
           PYTHONPATH: ${{ github.workspace }}
         run: |
diff --git a/.github/workflows/daily_ci.yml b/.github/workflows/daily_ci.yml
index 4b09fecf..7feefc0f 100644
--- a/.github/workflows/daily_ci.yml
+++ b/.github/workflows/daily_ci.yml
@@ -107,18 +107,10 @@ jobs:
             fi
             echo "::endgroup::"
           }
-          # Default: every model file once with no extra args.
+          # Run every model file once with no extra args.
           for f in $(find models -name '*.py' ! -name '*draft*' | sort); do
             run_case "$f" "$f"
           done
-          # Extras from .github/daily_ci_cases.tsv (file <whitespace> args; '#' = comment).
-          while IFS= read -r line || [ -n "$line" ]; do
-            case "$line" in ''|\#*) continue ;; esac
-            read -r file extra <<< "$line"
-            [ -z "$file" ] && continue
-            # shellcheck disable=SC2086  # $extra must word-split into argv
-            run_case "$file" "${file}[${extra}]" $extra
-          done < .github/daily_ci_cases.tsv
           if [ ${#failed[@]} -ne 0 ]; then
             echo "Failed cases (${#failed[@]}):"
             printf '  - %s\n' "${failed[@]}"
@@ -270,18 +262,10 @@ jobs:
             fi
             echo "::endgroup::"
           }
-          # Default: every model file once with no extra args.
+          # Run every model file once with no extra args.
           for f in $(find models -name '*.py' ! -name '*draft*' | sort); do
             run_case "$f" "$f"
           done
-          # Extras from .github/daily_ci_cases.tsv (file <whitespace> args; '#' = comment).
-          while IFS= read -r line || [ -n "$line" ]; do
-            case "$line" in ''|\#*) continue ;; esac
-            read -r file extra <<< "$line"
-            [ -z "$file" ] && continue
-            # shellcheck disable=SC2086  # $extra must word-split into argv
-            run_case "$file" "${file}[${extra}]" $extra
-          done < .github/daily_ci_cases.tsv
           if [ ${#failed[@]} -ne 0 ]; then
             echo "Failed cases (${#failed[@]}):"
             printf '  - %s\n' "${failed[@]}"