diff --git a/securitycenter/.coveragerc b/securitycenter/.coveragerc
index b178b094aa1d..6b9ab9da4a1b 100644
--- a/securitycenter/.coveragerc
+++ b/securitycenter/.coveragerc
@@ -1,4 +1,3 @@
-# Generated by synthtool. DO NOT EDIT!
 [run]
 branch = True
 
diff --git a/securitycenter/.flake8 b/securitycenter/.flake8
index 0268ecc9c55c..61766fa84d02 100644
--- a/securitycenter/.flake8
+++ b/securitycenter/.flake8
@@ -1,4 +1,3 @@
-# Generated by synthtool. DO NOT EDIT!
 [flake8]
 ignore = E203, E266, E501, W503
 exclude =
diff --git a/securitycenter/setup.cfg b/securitycenter/setup.cfg
index 3bd555500e37..2a9acf13daa9 100644
--- a/securitycenter/setup.cfg
+++ b/securitycenter/setup.cfg
@@ -1,3 +1,2 @@
-# Generated by synthtool. DO NOT EDIT!
 [bdist_wheel]
 universal = 1
diff --git a/securitycenter/synth.metadata b/securitycenter/synth.metadata
index 5eb6fe22fa9b..0203f12fbd6f 100644
--- a/securitycenter/synth.metadata
+++ b/securitycenter/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-06-14T12:28:51.070137Z",
+  "updateTime": "2019-06-17T16:51:13.627075Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.25.0",
-        "dockerImage": "googleapis/artman@sha256:ef1a98ab1e2b8f05f4d9a56f27d63347aefe14020e5f2d585172b14ca76f1d90"
+        "version": "0.26.0",
+        "dockerImage": "googleapis/artman@sha256:6db0735b0d3beec5b887153a2a7c7411fc7bb53f73f6f389a822096bd14a3a15"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "c23b68eecb00c4d285a730a49b1d7d943cd56183",
-        "internalRef": "253113405"
+        "sha": "7b58b37559f6a5337c4c564518e9573d742df225",
+        "internalRef": "253322136"
       }
     },
     {
diff --git a/securitycenter/synth.py b/securitycenter/synth.py
index ab084d4a0ed0..19fde3bc21af 100644
--- a/securitycenter/synth.py
+++ b/securitycenter/synth.py
@@ -32,10 +32,6 @@
 # Use the highest version library to generate import alias.
 s.move(library / "google/cloud/securitycenter.py")
 
-# Add encoding header to protoc-generated files.
-# See: https://github.com/googleapis/gapic-generator/issues/2097
-s.replace("**/proto/*_pb2.py", r"(^.*$\n)*", r"# -*- coding: utf-8 -*-\n\g<0>")
-
 # ----------------------------------------------------------------------------
 # Add templated files
 # ----------------------------------------------------------------------------