diff --git a/src/meta_schedule/space_generator/space_generator.cc b/src/meta_schedule/space_generator/space_generator.cc
index bd124511b83c..cb89b3b817af 100644
--- a/src/meta_schedule/space_generator/space_generator.cc
+++ b/src/meta_schedule/space_generator/space_generator.cc
@@ -25,7 +25,7 @@ String GetRuleKindFromTarget(const Target& target) {
   if (target->kind->name == "llvm") {
     static const PackedFunc* f_check_vnni =
         runtime::Registry::Get("tvm.topi.x86.utils.target_has_vnni");
-    ICHECK(*f_check_vnni != nullptr) << "The `target_has_vnni` func is not in tvm registry.";
+    ICHECK(f_check_vnni != nullptr) << "The `target_has_vnni` func is not in tvm registry.";
     if (target->GetAttr<String>("mcpu") &&
         (*f_check_vnni)(target->GetAttr<String>("mcpu").value())) {
       return "vnni";
diff --git a/tests/python/unittest/test_meta_schedule_space_cpu_winograd.py b/tests/python/unittest/test_meta_schedule_space_cpu_winograd.py
index 78b75d592ed4..135304286b4b 100644
--- a/tests/python/unittest/test_meta_schedule_space_cpu_winograd.py
+++ b/tests/python/unittest/test_meta_schedule_space_cpu_winograd.py
@@ -19,7 +19,6 @@
 from tvm.meta_schedule.testing.space_generation import (
     check_sketches,
     generate_design_space,
-    print_sketches,
 )
 from tvm.meta_schedule.testing.te_workload import create_te_workload
 from tvm.script import tir as T