diff --git a/tests/pytest/util/dnodes.py b/tests/pytest/util/dnodes.py
index 698c3caa5541fbf39570b66fd1a130888d8d8be2..0f4919ba96771804e2a3027f76c5a718ff1e9573 100644
--- a/tests/pytest/util/dnodes.py
+++ b/tests/pytest/util/dnodes.py
@@ -436,7 +436,7 @@ class TDDnodes:
         psCmd = "ps -ef|grep -w taosd| grep -v grep| grep -v defunct | awk '{print $2}'"
         processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
         while(processID):
-            killCmd = "kill -TERM %s > /dev/null 2>&1" % processID
+            killCmd = "kill -9 %s > /dev/null 2>&1" % processID
             os.system(killCmd)
             time.sleep(1)
             processID = subprocess.check_output(
@@ -445,7 +445,7 @@ class TDDnodes:
         psCmd = "ps -ef|grep -w valgrind.bin| grep -v grep | awk '{print $2}'"
         processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
         while(processID):
-            killCmd = "kill -TERM %s > /dev/null 2>&1" % processID
+            killCmd = "kill -9 %s > /dev/null 2>&1" % processID
             os.system(killCmd)
             time.sleep(1)
             processID = subprocess.check_output(