diff --git a/python/paddle/fluid/tests/unittests/CMakeLists.txt b/python/paddle/fluid/tests/unittests/CMakeLists.txt
index 402e65f76d5b1716a12a815c22c34f6098943401..a78c820e1e66a3a47aefcd7c811b5f36c87e21d0 100755
--- a/python/paddle/fluid/tests/unittests/CMakeLists.txt
+++ b/python/paddle/fluid/tests/unittests/CMakeLists.txt
@@ -620,22 +620,22 @@ endif()
 py_test_modules(test_bilinear_interp_op MODULES test_bilinear_interp_op ENVS ${GC_ENVS})
 py_test_modules(test_nearest_interp_op MODULES test_nearest_interp_op ENVS ${GC_ENVS})
 py_test_modules(test_imperative_resnet MODULES test_imperative_resnet ENVS
-    FLAGS_cudnn_deterministic=1 SERIAL)
+    FLAGS_cudnn_deterministic=1)
 set_tests_properties(test_imperative_resnet PROPERTIES LABELS "RUN_TYPE=EXCLUSIVE:NIGHTLY")
 py_test_modules(test_imperative_resnet_sorted_gradient MODULES test_imperative_resnet_sorted_gradient ENVS
-        FLAGS_cudnn_deterministic=1 SERIAL)
+        FLAGS_cudnn_deterministic=1)
 set_tests_properties(test_imperative_resnet_sorted_gradient PROPERTIES LABELS "RUN_TYPE=EXCLUSIVE:NIGHTLY")
 py_test_modules(test_imperative_mnist MODULES test_imperative_mnist ENVS
     FLAGS_cudnn_deterministic=1)
 py_test_modules(test_imperative_mnist_sorted_gradient MODULES test_imperative_mnist_sorted_gradient ENVS
         FLAGS_cudnn_deterministic=1)
 py_test_modules(test_imperative_se_resnext MODULES test_imperative_se_resnext ENVS
-    FLAGS_cudnn_deterministic=1 SERIAL)
+    FLAGS_cudnn_deterministic=1)
 set_tests_properties(test_imperative_se_resnext PROPERTIES LABELS "RUN_TYPE=EXCLUSIVE:NIGHTLY")
 py_test_modules(test_imperative_ocr_attention_model MODULES test_imperative_ocr_attention_model ENVS
-        FLAGS_cudnn_deterministic=1 SERIAL)
+        FLAGS_cudnn_deterministic=1)
 py_test_modules(test_install_check MODULES test_install_check ENVS
-        FLAGS_cudnn_deterministic=1 SERIAL)
+        FLAGS_cudnn_deterministic=1)
 set_tests_properties(test_install_check PROPERTIES LABELS "RUN_TYPE=DIST")
 py_test_modules(test_imperative_static_runner_mnist MODULES test_imperative_static_runner_mnist ENVS
     FLAGS_cudnn_deterministic=1)
@@ -763,19 +763,19 @@ if(WITH_DISTRIBUTE)
         # port range (20000, 23000) is reserved for dist-ops
         set(dist_ut_port 20001)
         foreach(TEST_OP ${DIST_TEST_OPS})
-            bash_test_modules(${TEST_OP} START_BASH dist_test.sh SERIAL LABELS "RUN_TYPE=EXCLUSIVE" ENVS "PADDLE_DIST_UT_PORT=${dist_ut_port}")
+            bash_test_modules(${TEST_OP} START_BASH dist_test.sh LABELS "RUN_TYPE=EXCLUSIVE" ENVS "PADDLE_DIST_UT_PORT=${dist_ut_port}")
             MATH(EXPR dist_ut_port "${dist_ut_port}+20")
             if(dist_ut_port GREATER_EQUAL 22998)
                 message(FATAL_ERROR "available ports have been exhausted:${dist_ut_port}")
             endif()
         endforeach(TEST_OP)
         # solve it later.
-        bash_test_modules(test_fleet_launch_ps START_BASH test_fleet_launch_ps.sh SERIAL LABELS "RUN_TYPE=EXCLUSIVE" ENVS "PADDLE_DIST_UT_PORT=${dist_ut_port}" PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR} )
+        bash_test_modules(test_fleet_launch_ps START_BASH test_fleet_launch_ps.sh LABELS "RUN_TYPE=EXCLUSIVE" ENVS "PADDLE_DIST_UT_PORT=${dist_ut_port}" PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR} )
         if (WITH_GLOO)
-            bash_test_modules(test_cpuonly_launch START_BASH test_cpuonly_launch.sh SERIAL LABELS "RUN_TYPE=EXCLUSIVE" ENVS "PADDLE_DIST_UT_PORT=${dist_ut_port}" PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR} )
+            bash_test_modules(test_cpuonly_launch START_BASH test_cpuonly_launch.sh LABELS "RUN_TYPE=EXCLUSIVE" ENVS "PADDLE_DIST_UT_PORT=${dist_ut_port}" PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR} )
         endif()
         if (WITH_GPU OR WITH_XPU OR WITH_ASCEND OR WITH_ASCEND_CL)
-            bash_test_modules(test_new_group START_BASH test_new_group.sh SERIAL LABELS "RUN_TYPE=EXCLUSIVE" ENVS "PADDLE_DIST_UT_PORT=${dist_ut_port}+20" PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR} )
+            bash_test_modules(test_new_group START_BASH test_new_group.sh LABELS "RUN_TYPE=EXCLUSIVE" ENVS "PADDLE_DIST_UT_PORT=${dist_ut_port}+20" PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR} )
         endif()
     endif(NOT APPLE)
 endif()