diff --git a/.github/workflows/scripts/unix-build.sh b/.github/workflows/scripts/unix-build.sh
index 2d39ffd0aa1926..31cd8546c3279d 100755
--- a/.github/workflows/scripts/unix-build.sh
+++ b/.github/workflows/scripts/unix-build.sh
@@ -7,7 +7,7 @@ set -ex
 [[ "$IN_DOCKER" == "true" ]] && cd taichi
 
 if [[ $OSTYPE == "linux-"* ]]; then
-  if ["$AMDGPU_TEST"]; then
+  if [ ! -z "$AMDGPU_TEST" ]; then
     sudo ln -s /usr/bin/clang++-10 /usr/bin/clang++
     sudo ln -s /usr/bin/clang-10 /usr/bin/clang
     sudo ln -s /usr/bin/ld.lld-10 /usr/bin/ld.lld
diff --git a/.github/workflows/scripts/unix_test.sh b/.github/workflows/scripts/unix_test.sh
index c719f129cd2a88..a2f41fd2d9d342 100755
--- a/.github/workflows/scripts/unix_test.sh
+++ b/.github/workflows/scripts/unix_test.sh
@@ -14,7 +14,7 @@ setup_python
 
 [[ "$IN_DOCKER" == "true" ]] && cd taichi
 
-if ["$AMDGPU_TEST"]; then
+if [ ! -z "$AMDGPU_TEST" ]; then
     sudo chmod 666 /dev/kfd
     sudo chmod 666 /dev/dri/*
 fi
@@ -108,7 +108,7 @@ if [ -z "$GPU_TEST" ]; then
         fi
         python3 tests/run_tests.py -vr2 -t4 -k "not paddle" -a "$TI_WANTED_ARCHS"
     fi
-elif ["$AMDGPU_TEST"]; then
+elif [ ! -z "$AMDGPU_TEST" ]; then
     run-it cpu    $(nproc)
     # run-it amdgpu 4
 else
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index a11b794b05c321..a68f0d0bb8b21b 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -277,7 +277,6 @@ jobs:
         tags:
           - [self-hosted, amdgpu]
 
-    runs-on: ${{ matrix.tags }}
     steps:
       - uses: actions/checkout@v3
         with:
@@ -318,7 +317,7 @@ jobs:
              /home/dev/taichi/.github/workflows/scripts/unix_test.sh
         env:
           PY: py38
-          TI_WANTED_ARCHS: 'cc,cpu,amdgpu'
+          TI_WANTED_ARCHS: 'cpu,amdgpu'
           TI_DEVICE_MEMORY_GB: '1'
           TI_RUN_RELEASE_TESTS: '0'