diff --git a/src/source_clang.cc b/src/source_clang.cc
index b65e4a6..1e4668f 100644
--- a/src/source_clang.cc
+++ b/src/source_clang.cc
@@ -122,7 +122,7 @@ void Source::ClangViewParse::parse_initialize() {
     Info::get().print(file_path.filename().string() + ": could not find a supported build system");
   build->update_default();
   auto arguments = CompileCommands::get_arguments(build->get_default_path(), file_path);
-  clang_tu = std::make_unique<clangmm::TranslationUnit>(std::make_shared<clangmm::Index>(1, Config::get().log.libclang), file_path.string(), arguments, &buffer_raw);
+  clang_tu = std::make_unique<clangmm::TranslationUnit>(std::make_shared<clangmm::Index>(0, Config::get().log.libclang), file_path.string(), arguments, &buffer_raw);
   clang_tokens = clang_tu->get_tokens();
   clang_tokens_offsets.clear();
   clang_tokens_offsets.reserve(clang_tokens->size());
diff --git a/src/usages_clang.cc b/src/usages_clang.cc
index 1e5ea17..4f5acb9 100644
--- a/src/usages_clang.cc
+++ b/src/usages_clang.cc
@@ -253,7 +253,7 @@ std::vector<Usages::Clang::Usages> Usages::Clang::get_usages(const boost::filesy
           flags |= CXTranslationUnit_KeepGoing;
 #endif
 
-          static auto index = std::make_shared<clangmm::Index>(1, 0);
+          static auto index = std::make_shared<clangmm::Index>(0, 0);
           clangmm::TranslationUnit translation_unit(index, path.string(), arguments, &buffer, flags);
 
           {