diff --git a/.github/scripts/riscv_dv_parse_testlist.py b/.github/scripts/riscv_dv_parse_testlist.py
index 3f2ae2ae24f..be7825cdf47 100644
--- a/.github/scripts/riscv_dv_parse_testlist.py
+++ b/.github/scripts/riscv_dv_parse_testlist.py
@@ -1,4 +1,5 @@
 import sys
+import os
 from json import dumps
 from yaml import load, Loader
 from typing import Generator
@@ -24,6 +25,16 @@ def parse_yaml(path: str) -> Generator[str, None, None]:
     else:
         testlist = parse_yaml(RISCV_DV_HOME + 'yaml/base_testlist.yaml')
     testlist = list(testlist)
+
     # remove, will cause incomplete sim, need customized RTL
     testlist.remove("riscv_csr_test")
+
+    # remove excluded tests
+    excluded = os.environ.get("EXCLUDE_TESTS", None)
+    if excluded is not None:
+        excluded = [s.strip() for s in excluded.split(",")]
+        for test in excluded:
+            if test in testlist:
+                testlist.remove(test)
+
     print(dumps(testlist))
diff --git a/.github/workflows/test-riscv-dv.yml b/.github/workflows/test-riscv-dv.yml
index ed548004063..13271d07c27 100644
--- a/.github/workflows/test-riscv-dv.yml
+++ b/.github/workflows/test-riscv-dv.yml
@@ -107,6 +107,8 @@ jobs:
   generate-config:
     name: Generate configs
     runs-on: ubuntu-latest
+    env:
+      EXCLUDE_TESTS: "riscv_illegal_instr_test,riscv_unaligned_load_store_test"
     outputs:
       test-types: ${{ steps.test-types.outputs.tests }}
       test-include-generate: ${{ steps.test-types.outputs.include-generate }}