diff --git a/test_plans/vm_power_manager_test_plan.rst b/test_plans/vm_power_manager_test_plan.rst
index 992f315..7cac509 100644
--- a/test_plans/vm_power_manager_test_plan.rst
+++ b/test_plans/vm_power_manager_test_plan.rst
@@ -89,30 +89,6 @@ Prerequisites
     - libvirtd (libvirt) 1.1.3.5
     - Add virio-serial port
 
-4. IXIA Traffic Generator Configuration LPM table used for packet routing is:
-
-        +---------+------------------------+----+
-        | Entry # | LPM prefix (IP/length) |    |
-        +---------+------------------------+----+
-        | 0       | 1.1.1.0/24             | P0 |
-        +---------+------------------------+----+
-        | 1       | 2.1.1.0/24             | P1 |
-        +---------+------------------------+----+
-
-
-    The flows should be configured and started by the traffic generator.
-
-        +------+---------+------------+---------+------+-------+--------+
-        | Flow | Traffic | IPv4       | IPv4    | Port | Port  | L4     |
-        |      | Gen.    | Src.       | Dst.    | Src. | Dest. | Proto. |
-        |      | Port    | Address    | Address |      |       |        |
-        +------+---------+------------+---------+------+-------+--------+
-        | 1    | TG0     | 0.0.0.0    | 2.1.1.0 | any  | any   | UDP    |
-        +------+---------+------------+---------+------+-------+--------+
-        | 2    | TG1     | 0.0.0.0    | 1.1.1.0 | any  | any   | UDP    |
-        +------+---------+------------+---------+------+-------+--------+
-
-
 
 Test Case 1: VM Power Management Channel
 ========================================
@@ -282,44 +258,3 @@ Test Case 7: VM Power Management Multi VMs
 8. Poweroff VM2 and remove VM2 from host vm_power_mgr::
 
         vmpower> rm_vm <vm2_name>
-
-Test Case 8: VM l3fwd-power Latency
-===================================
-1. Connect two physical ports to IXIA
-2. Start VM and run l3fwd-power::
-
-        l3fwd-power -c 6 -n 4 -- -p 0x3 --config '(P0,0,C{1.1.0}),(P1,0,C{1.2.0})'
-
-3. Configure packet flow in IxiaNetwork
-4. Start to send packets from IXIA and check the receiving packets and latency
-5. Record the latency of frame sizes 128
-6. Compare latency value with sample l3fwd
-
-Test Case 9: VM l3fwd-power Performance
-=======================================
-Start VM and run l3fwd-power::
-
-    l3fwd-power -c 6 -n 4 -- -p 0x3 --config '(P0,0,C{1.1.0}),(P1,0,C{1.2.0})'
-
-Input traffic linerate varied from 0 to 100%, in order to see cpu frequency
-changes.
-
-The test report should provide the throughput rate measurements (in Mpps and %
-of the line rate for 2x NIC ports) and cpu frequency as listed in the table
-below:
-
-    +---------------+---------------+-----------+
-    | % Tx linerate | Rx % linerate |  Cpu freq |
-    +---------------+---------------+-----------+
-    | 0             |               |           |
-    +---------------+---------------+-----------+
-    | 20            |               |           |
-    +---------------+---------------+-----------+
-    | 40            |               |           |
-    +---------------+---------------+-----------+
-    | 60            |               |           |
-    +---------------+---------------+-----------+
-    | 80            |               |           |
-    +---------------+---------------+-----------+
-    | 100           |               |           |
-    +---------------+---------------+-----------+
diff --git a/tests/TestSuite_vm_power_manager.py b/tests/TestSuite_vm_power_manager.py
index 00910eb..fca122b 100644
--- a/tests/TestSuite_vm_power_manager.py
+++ b/tests/TestSuite_vm_power_manager.py
@@ -273,112 +273,6 @@ class TestVmPowerManager(TestCase, IxiaPacketGenerator):
         vm2_dut.send_expect("quit", "# ")
         vm2.stop()
 
-    def test_perf_vmpower_latency(self):
-        """
-        Measure packet latency in VM
-        """
-        latency_header = ['Frame Size', 'Max latency', 'Min lantecy',
-                          'Avg latency']
-
-        self.result_table_create(latency_header)
-
-        rx_port = self.dut_ports[0]
-        tx_port = self.dut_ports[1]
-
-        # build l3fwd-power
-        out = self.vm_dut.send_expect("make -C examples/l3fwd-power", "# ")
-        self.verify("Error" not in out, "compilation error 1")
-        self.verify("No such file" not in out, "compilation error 2")
-        # start l3fwd-power
-        l3fwd_app = "./examples/l3fwd-power/build/l3fwd-power"
-
-        cmd = l3fwd_app + " -c 6 -n 4 -- -p 0x3 --config " + \
-                          "'(0,0,1),(1,0,2)'"
-
-        self.vm_dut.send_expect(cmd, "L3FWD_POWER: entering main loop")
-
-        for frame_size in self.frame_sizes:
-            # Prepare traffic flow
-            payload_size = frame_size - HEADER_SIZE['udp'] - \
-                HEADER_SIZE['ip'] - HEADER_SIZE['eth']
-            dmac = self.dut.get_mac_address(self.dut_ports[0])
-            flow = 'Ether(dst="%s")/IP(dst="2.1.1.0")/UDP()' % dmac + \
-                   '/Raw("X"*%d)' % payload_size
-            self.tester.scapy_append('wrpcap("vmpower.pcap", [%s])' % flow)
-            self.tester.scapy_execute()
-
-            tgen_input = []
-            tgen_input.append((self.tester.get_local_port(rx_port),
-                              self.tester.get_local_port(tx_port),
-                              "vmpower.pcap"))
-            # run traffic generator
-            [latency] = self.tester.traffic_generator_latency(tgen_input)
-            print(latency)
-            table_row = [frame_size, latency['max'], latency['min'],
-                         latency['average']]
-            self.result_table_add(table_row)
-
-        self.result_table_print()
-
-        self.vm_dut.kill_all()
-
-    def test_perf_vmpower_frequency(self):
-        """
-        Measure cpu frequency fluctuate with work load
-        """
-        latency_header = ['Tx linerate%', 'Rx linerate%', 'Cpu freq']
-
-        self.result_table_create(latency_header)
-
-        rx_port = self.dut_ports[0]
-        tx_port = self.dut_ports[1]
-
-        # build l3fwd-power
-        out = self.vm_dut.send_expect("make -C examples/l3fwd-power", "# ")
-        self.verify("Error" not in out, "compilation error 1")
-        self.verify("No such file" not in out, "compilation error 2")
-        # start l3fwd-power
-        l3fwd_app = "./examples/l3fwd-power/build/l3fwd-power"
-
-        cmd = l3fwd_app + " -c 6 -n 4 -- -p 0x3 --config " + \
-                          "'(0,0,1),(1,0,2)'"
-
-        self.vm_dut.send_expect(cmd, "L3FWD_POWER: entering main loop")
-
-        for rate in self.perf_rates:
-            # Prepare traffic flow
-            payload_size = self.def_framesize - HEADER_SIZE['udp'] - \
-                HEADER_SIZE['ip'] - HEADER_SIZE['eth']
-            dmac = self.dut.get_mac_address(self.dut_ports[0])
-            flow = 'Ether(dst="%s")/IP(dst="2.1.1.0")/UDP()' % dmac + \
-                   '/Raw("X"*%d)' % payload_size
-            self.tester.scapy_append('wrpcap("vmpower.pcap", [%s])' % flow)
-            self.tester.scapy_execute()
-
-            tgen_input = []
-            tgen_input.append((self.tester.get_local_port(rx_port),
-                              self.tester.get_local_port(tx_port),
-                              "vmpower.pcap"))
-
-            # register hook function for current cpu frequency
-            self.hook_transmissoin_func = self.get_freq_in_transmission
-            self.tester.extend_external_packet_generator(TestVmPowerManager,
-                                                         self)
-            # run traffic generator, run 20 seconds for frequency stable
-            _, pps = self.tester.traffic_generator_throughput(tgen_input,
-                                                              rate,
-                                                              delay=20)
-            pps /= 1000000.0
-            freq = self.cur_freq / 1000000.0
-            wirespeed = self.wirespeed(self.nic, self.def_framesize, 1)
-            pct = pps * 100 / wirespeed
-            table_row = [rate, pct, freq]
-            self.result_table_add(table_row)
-
-        self.result_table_print()
-
-        self.vm_dut.kill_all()
-
     def get_freq_in_transmission(self):
         self.cur_freq = self.get_cpu_frequency(self.vcpu_map[1])
         print((utils.GREEN("Current cpu frequency %d" % self.cur_freq)))
