diff --git a/tests/arp/test_wr_arp.py b/tests/arp/test_wr_arp.py
index 6af49d18eb1..86e567ec35d 100644
--- a/tests/arp/test_wr_arp.py
+++ b/tests/arp/test_wr_arp.py
@@ -124,6 +124,12 @@ def setupFerret(self, duthost, ptfhost):
         logger.info('Refreshing supervisor control with ferret configuration')
         ptfhost.shell('supervisorctl reread && supervisorctl update')
 
+    @pytest.fixture(scope='class', autouse=True)
+    def clean_dut(self, duthost):
+        yield
+        logger.info("Clear ARP cache on DUT")
+        duthost.command('sonic-clear arp')
+
     @pytest.fixture(scope='class', autouse=True)
     def setupRouteToPtfhost(self, duthost, ptfhost):
         '''
diff --git a/tests/bgp/test_bgp_speaker.py b/tests/bgp/test_bgp_speaker.py
index f7b7ef5f546..d6f5c0a2eb4 100644
--- a/tests/bgp/test_bgp_speaker.py
+++ b/tests/bgp/test_bgp_speaker.py
@@ -112,6 +112,8 @@ def common_setup_teardown(duthost, ptfhost, localhost):
     ptfhost.shell("ip route flush %s/%d" % (lo_addr, lo_addr_prefixlen))
     ptfhost.shell("ip route add %s/%d via %s" % (lo_addr, lo_addr_prefixlen, vlan_addr))
 
+    logging.info("clear ARP cache on DUT")
+    duthost.command("sonic-clear arp")
     for ip in vlan_ips:
         duthost.command("ip route flush %s/32" % ip.ip)
         # The ping here is workaround for known issue: