diff --git a/Dockerfile.18.04 b/Dockerfile.18.04
index d3fa1d75..49a06fa1 100644
--- a/Dockerfile.18.04
+++ b/Dockerfile.18.04
@@ -58,9 +58,9 @@ EXPOSE 22
 WORKDIR /home/peerplays/
 
 RUN \
-    wget -c 'http://sourceforge.net/projects/boost/files/boost/1.67.0/boost_1_67_0.tar.bz2/download' -O boost_1_67_0.tar.bz2 && \
-    tar xjf boost_1_67_0.tar.bz2 && \
-    cd boost_1_67_0/ && \
+    wget -c 'https://boostorg.jfrog.io/artifactory/main/release/1.71.0/source/boost_1_71_0.tar.bz2' -O boost_1_71_0.tar.bz2 && \
+    tar xjf boost_1_71_0.tar.bz2 && \
+    cd boost_1_71_0/ && \
     ./bootstrap.sh && \
     ./b2 install
 
diff --git a/libraries/CMakeLists.txt b/libraries/CMakeLists.txt
index dfe3d397..df872464 100644
--- a/libraries/CMakeLists.txt
+++ b/libraries/CMakeLists.txt
@@ -1,4 +1,3 @@
-add_subdirectory( vendor )
 add_subdirectory( app )
 add_subdirectory( chain )
 add_subdirectory( db )
@@ -8,4 +7,5 @@ add_subdirectory( net )
 add_subdirectory( plugins )
 add_subdirectory( time )
 add_subdirectory( utilities )
+add_subdirectory( vendor )
 add_subdirectory( wallet )
diff --git a/libraries/plugins/peerplays_sidechain/CMakeLists.txt b/libraries/plugins/peerplays_sidechain/CMakeLists.txt
index d82e874b..ca995c10 100755
--- a/libraries/plugins/peerplays_sidechain/CMakeLists.txt
+++ b/libraries/plugins/peerplays_sidechain/CMakeLists.txt
@@ -42,7 +42,7 @@ unset(ENABLE_PEERPLAYS_ASSET_DEPOSITS)
 unset(ENABLE_PEERPLAYS_ASSET_DEPOSITS CACHE)
 
 target_link_directories( peerplays_sidechain PUBLIC ${SHA3IUF_link_dirs} )
-target_link_libraries( peerplays_sidechain PRIVATE curl graphene_plugin zmq ${SHA3IUF_libraries} )
+target_link_libraries( peerplays_sidechain PRIVATE graphene_plugin zmq ${SHA3IUF_libraries} )
 target_include_directories( peerplays_sidechain PUBLIC
         "${CMAKE_CURRENT_SOURCE_DIR}/include"
         "${SHA3IUF_include_dirs}" )
diff --git a/libraries/plugins/peerplays_sidechain/common/rpc_client.cpp b/libraries/plugins/peerplays_sidechain/common/rpc_client.cpp
index 1bbe0721..06093ce0 100644
--- a/libraries/plugins/peerplays_sidechain/common/rpc_client.cpp
+++ b/libraries/plugins/peerplays_sidechain/common/rpc_client.cpp
@@ -1,8 +1,6 @@
 #include <graphene/peerplays_sidechain/common/rpc_client.hpp>
 
-#include <regex>
 #include <sstream>
-#include <string>
 
 #include <boost/asio/buffers_iterator.hpp>
 #include <boost/beast/core.hpp>
@@ -11,8 +9,6 @@
 #include <boost/property_tree/ptree.hpp>
 #include <boost/xpressive/xpressive.hpp>
 
-#include <curl/curl.h>
-
 #include <fc/log/logger.hpp>
 
 namespace graphene { namespace peerplays_sidechain {