diff --git a/LICENSE b/LICENSE
index ea42641..8dada3e 100644
--- a/LICENSE
+++ b/LICENSE
@@ -199,27 +199,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-=======================================================================
-Apache ServiceComb Service Center Subcomponents:
-
-The Apache ServiceComb Service Center project contains subcomponents with
-seperate copyright notices and license terms. Your use of the source code
-for these subcomponents is subject to the terms and conditions of the
-following licenses.
-
-
-=======================================================================
-For vendor/github.com/grpc-ecosystem/grpc-gateway
-=======================================================================
-This product bundles grpc-gateway which is licensed under the the
-3-Clause-BSD License.
-For details, see https://github.com/grpc-ecosystem/grpc-gateway
-You can find a copy of the License at licenses/LICENSE-grpc-gateway
-
-=======================================================================
-For vendor/github.com/grpc-ecosystem/go-grpc-prometheus
-=======================================================================
-This product bundles go-grpc-prometheus which is licensed under the the
-Apache License v2.
-For details, see https://github.com/grpc-ecosystem/go-grpc-prometheus
diff --git a/licenses/LICENSE-grpc-gateway b/licenses/LICENSE-grpc-gateway
deleted file mode 100644
index 3645162..0000000
--- a/licenses/LICENSE-grpc-gateway
+++ /dev/null
@@ -1,27 +0,0 @@
-Copyright (c) 2015, Gengo, Inc.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright notice,
-      this list of conditions and the following disclaimer.
-
-    * Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimer in the documentation
-      and/or other materials provided with the distribution.
-
-    * Neither the name of Gengo, Inc. nor the names of its
-      contributors may be used to endorse or promote products derived from this
-      software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.