diff --git a/COPYING b/COPYING
index d8c261f..8844fad 100644
--- a/COPYING
+++ b/COPYING
@@ -1,7 +1,7 @@
 This license applies to all works under this directory.
 
 Libbitcoin - C++ Bitcoin Development Toolkit and Applications
-Copyright © 2011-2017 libbitcoin developers (see AUTHORS)
+Copyright © 2011-2018 libbitcoin developers (see AUTHORS)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by
diff --git a/builds/cmake/CMakeLists.txt b/builds/cmake/CMakeLists.txt
index 7ebf29d..3c09021 100644
--- a/builds/cmake/CMakeLists.txt
+++ b/builds/cmake/CMakeLists.txt
@@ -42,18 +42,9 @@ set( CMAKE_CXX_STANDARD_REQUIRED ON )
 # Warn on all stuff.
 add_compile_options( "-Wall" )
 
-# Warn on all stuff.
-add_compile_options( "-Wall" )
-
 # Warn on extra stuff.
 add_compile_options( "-Wextra" )
 
-# Warn on extra stuff.
-add_compile_options( "-Wextra" )
-
-# Be really annoying.
-add_compile_options( "-Wpedantic" )
-
 # Be really annoying.
 add_compile_options( "-Wpedantic" )
 
diff --git a/examples/console/client.cpp b/examples/console/client.cpp
index 21c0e2f..ddfb0d0 100644
--- a/examples/console/client.cpp
+++ b/examples/console/client.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/examples/console/client.hpp b/examples/console/client.hpp
index f7d702e..6c14183 100644
--- a/examples/console/client.hpp
+++ b/examples/console/client.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/examples/console/main.cpp b/examples/console/main.cpp
index f98e607..08dbfc6 100644
--- a/examples/console/main.cpp
+++ b/examples/console/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/examples/console/read_line.cpp b/examples/console/read_line.cpp
index fe2416e..8a0281f 100644
--- a/examples/console/read_line.cpp
+++ b/examples/console/read_line.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/examples/console/read_line.hpp b/examples/console/read_line.hpp
index 3b57ec2..2583bdd 100644
--- a/examples/console/read_line.hpp
+++ b/examples/console/read_line.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/examples/get_height/main.cpp b/examples/get_height/main.cpp
index 101fc87..80fe3e5 100644
--- a/examples/get_height/main.cpp
+++ b/examples/get_height/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/client/define.hpp b/include/bitcoin/client/define.hpp
index 4fe3865..b0b5d73 100644
--- a/include/bitcoin/client/define.hpp
+++ b/include/bitcoin/client/define.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/client/history.hpp b/include/bitcoin/client/history.hpp
index a46680d..99be32b 100644
--- a/include/bitcoin/client/history.hpp
+++ b/include/bitcoin/client/history.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/client/obelisk_client.hpp b/include/bitcoin/client/obelisk_client.hpp
index 7f97901..fcb64ef 100644
--- a/include/bitcoin/client/obelisk_client.hpp
+++ b/include/bitcoin/client/obelisk_client.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/client/stealth.hpp b/include/bitcoin/client/stealth.hpp
index c0bbfbf..a576fee 100644
--- a/include/bitcoin/client/stealth.hpp
+++ b/include/bitcoin/client/stealth.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/obelisk_client.cpp b/src/obelisk_client.cpp
index 9ba896b..a90882f 100644
--- a/src/obelisk_client.cpp
+++ b/src/obelisk_client.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/main.cpp b/test/main.cpp
index 4611ac7..9560682 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/obelisk_client.cpp b/test/obelisk_client.cpp
index 159bc7f..456220e 100644
--- a/test/obelisk_client.cpp
+++ b/test/obelisk_client.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *