diff --git a/CMakeLists.txt b/CMakeLists.txt
index e132b4628..2f7d761aa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,7 +83,7 @@ OPTION (MSGPACK_BUILD_EXAMPLES "Build msgpack examples." ON)
 
 SET (Boost_USE_MULTITHREADED      ON)
 SET (Boost_USE_STATIC_RUNTIME    OFF)
-FIND_PACKAGE (Boost REQUIRED COMPONENTS chrono context system timer)
+FIND_PACKAGE (Boost REQUIRED COMPONENTS chrono system timer)
 
 INCLUDE_DIRECTORIES (
    ${Boost_INCLUDE_DIRS}
diff --git a/appveyor.yml b/appveyor.yml
index 5dc7037ce..85a751959 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -48,7 +48,7 @@ build_script:
       cd ..
       cd ..
       if ($env:msvc -ne '"Visual Studio 14 2015"') {
-        ((Get-Content CMakeLists.txt) -replace "COMPONENTS chrono context system timer", "") | Set-Content -Path CMakeLists.txt
+        ((Get-Content CMakeLists.txt) -replace "COMPONENTS chrono system timer", "") | Set-Content -Path CMakeLists.txt
       }
       md build
       cd build
diff --git a/example/x3/CMakeLists.txt b/example/x3/CMakeLists.txt
index 30cb78878..f67ff80a8 100644
--- a/example/x3/CMakeLists.txt
+++ b/example/x3/CMakeLists.txt
@@ -1,4 +1,6 @@
 IF (MSGPACK_USE_X3_PARSE AND MSGPACK_DEFAULT_API_VERSION VERSION_GREATER 1)
+    FIND_PACKAGE (Boost REQUIRED COMPONENTS context)
+
     INCLUDE_DIRECTORIES (
         ../include
     )