diff --git a/CMakeLists.txt b/CMakeLists.txt
index b36e05ea4..e4aa75c00 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -393,20 +393,11 @@ endif()
 list(INSERT CMAKE_MODULE_PATH 0
   "${CMAKE_SOURCE_DIR}/cmake")
 
-if (NOT DEFINED ENV{DEVELOPER_LOCAL_TOOLS})
-  message(STATUS "Could not find DEVELOPER_LOCAL_TOOLS in env (not required)")
-  set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT OFF)
-elseif ("$ENV{DEVELOPER_LOCAL_TOOLS}" EQUAL 1)
-  message(STATUS "Found: env DEVELOPER_LOCAL_TOOLS = 1")
-  set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT ON)
-else()
-  message(STATUS "Found: env DEVELOPER_LOCAL_TOOLS = 0")
-  set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT OFF)
+option(BOOST_IGNORE_SYSTEM_PATHS "Ignore boost system paths for local boost installation" OFF)
+if (BOOST_IGNORE_SYSTEM_PATHS)
+  set(Boost_NO_SYSTEM_PATHS TRUE)
 endif()
 
-message(STATUS "BOOST_IGNORE_SYSTEM_PATHS defaults to ${BOOST_IGNORE_SYSTEM_PATHS_DEFAULT}")
-option(BOOST_IGNORE_SYSTEM_PATHS "Ignore boost system paths for local boost installation" ${BOOST_IGNORE_SYSTEM_PATHS_DEFAULT})
-
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 enable_testing()
 
@@ -1024,10 +1015,6 @@ include(CheckTrezor)
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${STATIC_FLAGS} ")
   endif()
 
-if (${BOOST_IGNORE_SYSTEM_PATHS} STREQUAL "ON")
-  set(Boost_NO_SYSTEM_PATHS TRUE)
-endif()
-
 set(OLD_LIB_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
 set(Boost_NO_BOOST_CMAKE ON)
 if(STATIC)