diff --git a/CMakeLists.txt b/CMakeLists.txt
index 241e2b4df..6b4cc80d3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -451,6 +451,7 @@ ExternalProject_Add(generate_translations_header
   CMAKE_ARGS -DLRELEASE_PATH=${LRELEASE_PATH}
   INSTALL_COMMAND cmake -E echo "")
 include_directories("${CMAKE_CURRENT_BINARY_DIR}/translations")
+add_subdirectory(external)
 
 # Final setup for libunbound
 include_directories(${UNBOUND_INCLUDE})
@@ -1023,5 +1024,3 @@ if (iwyu_tool_path AND PYTHONINTERP_FOUND)
     VERBATIM
   )
 endif()
-
-add_subdirectory(external)
diff --git a/external/easylogging++/CMakeLists.txt b/external/easylogging++/CMakeLists.txt
index b9b9aea91..35fb86552 100644
--- a/external/easylogging++/CMakeLists.txt
+++ b/external/easylogging++/CMakeLists.txt
@@ -40,7 +40,6 @@ add_library(easylogging
 
 include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
 include_directories("${CMAKE_CURRENT_BINARY_DIR}")
-include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
 target_link_libraries(easylogging
   PRIVATE
     ${CMAKE_THREAD_LIBS_INIT}