diff --git a/.github/workflows/ignore.list b/.github/workflows/ignore.list
new file mode 100644
index 000000000..dfbdb5956
--- /dev/null
+++ b/.github/workflows/ignore.list
@@ -0,0 +1,2 @@
+egs/librispeech/ASR/conformer_ctc/test_label_smoothing.py
+egs/librispeech/ASR/conformer_ctc/test_subsampling.py
diff --git a/.github/workflows/style_check.yml b/.github/workflows/style_check.yml
index 2a743705a..47c37451f 100644
--- a/.github/workflows/style_check.yml
+++ b/.github/workflows/style_check.yml
@@ -52,8 +52,13 @@ jobs:
         working-directory: ${{github.workspace}}
         run: |
           # stop the build if there are Python syntax errors or undefined names
-          flake8 . --count --show-source --statistics
-          flake8 .
+
+          while read -r line; do
+            exclude_list=${exclude_list}" $line";
+          done < .github/workflows/ignore.list
+
+          flake8 . --count --show-source --statistics --extend-exclude="${exclude_list}"
+          flake8 . --extend-exclude="${exclude_list}"
 
       - name: Run black
         shell: bash