diff --git a/tests/common/helpers/thermal_control_test_helper.py b/tests/common/helpers/thermal_control_test_helper.py
index 9f1dab9e214..d747c1246d5 100644
--- a/tests/common/helpers/thermal_control_test_helper.py
+++ b/tests/common/helpers/thermal_control_test_helper.py
@@ -284,18 +284,9 @@ def restart_thermal_control_daemon(dut):
     output = dut.shell(find_thermalctld_pid_cmd)
 
     assert output["rc"] == 0, "Run command '{}' failed".format(find_thermalctld_pid_cmd)
-    # Usually there should be 2 thermalctld processes, but there is chance that
-    # sonic platform API might use subprocess which creates extra thermalctld process.
-    # For example, chassis.get_all_sfps will call sfp constructor, and sfp constructor may
-    # use subprocess to call ethtool to do initialization.
-    # So we check here thermalcltd must have at least 2 processes.
-    # For mellanox, it has at least two processes, but for celestica(broadcom),
     # it only has one thermalctld process
     # For kvm, there is no thermalctld process
-    if dut.facts["asic_type"] == "mellanox":
-        assert len(output["stdout_lines"]
-                   ) >= 2, "There should be at least 2 thermalctld process"
-    elif dut.facts["asic_type"] == "vs":
+    if dut.facts["asic_type"] == "vs":
         assert len(output["stdout_lines"]) == 0, "There should be 0 thermalctld process"
     else:
         assert len(output["stdout_lines"]
@@ -307,12 +298,8 @@ def restart_thermal_control_daemon(dut):
         output = dut.shell(find_thermalctld_pid_cmd)
         assert output["rc"] == 0, "Run command '{}' failed after restart of thermalctld on {}".format(
             find_thermalctld_pid_cmd, dut.hostname)
-        if dut.facts["asic_type"] == "mellanox":
-            assert len(
-                output["stdout_lines"]) >= 2, "There should be at least 2 thermalctld process"
-        else:
-            assert len(
-                output["stdout_lines"]) >= 1, "There should be at least 1 thermalctld process"
+        assert len(
+            output["stdout_lines"]) >= 1, "There should be at least 1 thermalctld process"
         logging.info(
             "thermalctld processes restarted successfully on {}".format(dut.hostname))
         return