diff --git a/src/config.hh b/src/config.hh
index e4360660..ccddb2ab 100644
--- a/src/config.hh
+++ b/src/config.hh
@@ -273,6 +273,11 @@ struct Config {
     std::vector<std::string> multiVersionBlacklist;
     std::vector<std::string> multiVersionWhitelist;
 
+    struct Name {
+      // Suppress inline and unnamed namespaces in identifier names.
+      bool suppressUnwrittenScope = false;
+    } name;
+
     // Allow indexing on textDocument/didChange.
     // May be too slow for big projects, so it is off by default.
     bool onChange = false;
@@ -338,9 +343,10 @@ REFLECT_STRUCT(Config::Completion, caseSensitivity, detailedLabel,
 REFLECT_STRUCT(Config::Diagnostics, blacklist, onChange, onOpen, onSave,
                spellChecking, whitelist)
 REFLECT_STRUCT(Config::Highlight, largeFileSize, lsRanges, blacklist, whitelist)
+REFLECT_STRUCT(Config::Index::Name, suppressUnwrittenScope);
 REFLECT_STRUCT(Config::Index, blacklist, comments, initialBlacklist,
                initialWhitelist, maxInitializerLines, multiVersion,
-               multiVersionBlacklist, multiVersionWhitelist, onChange,
+               multiVersionBlacklist, multiVersionWhitelist, name, onChange,
                parametersInDeclarations, threads, trackDependency, whitelist);
 REFLECT_STRUCT(Config::Request, timeout);
 REFLECT_STRUCT(Config::Session, maxNum);
diff --git a/src/indexer.cc b/src/indexer.cc
index 51ca076a..f4e9be8b 100644
--- a/src/indexer.cc
+++ b/src/indexer.cc
@@ -490,6 +490,7 @@ public:
     PP.PolishForDeclaration = true;
     PP.ConstantsAsWritten = true;
     PP.SuppressTagKeyword = true;
+    PP.SuppressUnwrittenScope = g_config->index.name.suppressUnwrittenScope;
     PP.SuppressInitializers = true;
     PP.FullyQualifiedName = false;
     return PP;