diff --git a/src/messages/textDocument_documentSymbol.cc b/src/messages/textDocument_documentSymbol.cc
index 53b63960..9991cc93 100644
--- a/src/messages/textDocument_documentSymbol.cc
+++ b/src/messages/textDocument_documentSymbol.cc
@@ -84,7 +84,7 @@ struct Handler_TextDocumentDocumentSymbol
       for (auto [sym, refcnt] : symbol2refcnt) {
         if (refcnt <= 0) continue;
         if (std::optional<lsSymbolInformation> info =
-                GetSymbolInfo(db, working_files, sym, false)) {
+                GetSymbolInfo(db, sym, false)) {
           if (sym.kind == SymbolKind::Var) {
             QueryVar &var = db->GetVar(sym);
             auto *def = var.AnyDef();
diff --git a/src/messages/workspace_symbol.cc b/src/messages/workspace_symbol.cc
index 2449e072..c78e9462 100644
--- a/src/messages/workspace_symbol.cc
+++ b/src/messages/workspace_symbol.cc
@@ -31,8 +31,7 @@ MethodType kMethodType = "workspace/symbol";
 bool AddSymbol(
     DB *db, WorkingFiles *working_files, SymbolIdx sym, bool use_detailed,
     std::vector<std::tuple<lsSymbolInformation, int, SymbolIdx>> *result) {
-  std::optional<lsSymbolInformation> info =
-      GetSymbolInfo(db, working_files, sym, true);
+  std::optional<lsSymbolInformation> info = GetSymbolInfo(db, sym, true);
   if (!info)
     return false;
 
diff --git a/src/query_utils.cc b/src/query_utils.cc
index 749b9088..4390ae14 100644
--- a/src/query_utils.cc
+++ b/src/query_utils.cc
@@ -286,11 +286,8 @@ lsSymbolKind GetSymbolKind(DB *db, SymbolIdx sym) {
   return ret;
 }
 
-// Returns a symbol. The symbol will have *NOT* have a location assigned.
-std::optional<lsSymbolInformation> GetSymbolInfo(DB *db,
-                                                 WorkingFiles *working_files,
-                                                 SymbolIdx sym,
-                                                 bool detailed_name) {
+std::optional<lsSymbolInformation> GetSymbolInfo(DB *db, SymbolIdx sym,
+                                                 bool detailed) {
   switch (sym.kind) {
   case SymbolKind::Invalid:
     break;
@@ -307,12 +304,11 @@ std::optional<lsSymbolInformation> GetSymbolInfo(DB *db,
   default: {
     lsSymbolInformation info;
     EachEntityDef(db, sym, [&](const auto &def) {
-      if (detailed_name)
+      if (detailed)
         info.name = def.detailed_name;
       else
         info.name = def.Name(true);
       info.kind = def.kind;
-      info.containerName = def.detailed_name;
       return false;
     });
     return info;
diff --git a/src/query_utils.h b/src/query_utils.h
index 262fbdfa..cd07d963 100644
--- a/src/query_utils.h
+++ b/src/query_utils.h
@@ -47,11 +47,9 @@ std::optional<lsLocationEx> GetLsLocationEx(DB *db, WorkingFiles *working_files,
                                             Use use, bool container);
 std::vector<lsLocationEx> GetLsLocationExs(DB *db, WorkingFiles *working_files,
                                            const std::vector<Use> &refs);
-// Returns a symbol. The symbol will have *NOT* have a location assigned.
-std::optional<lsSymbolInformation> GetSymbolInfo(DB *db,
-                                                 WorkingFiles *working_files,
-                                                 SymbolIdx sym,
-                                                 bool detailed_name);
+// Returns a symbol. The symbol will *NOT* have a location assigned.
+std::optional<lsSymbolInformation> GetSymbolInfo(DB *db, SymbolIdx sym,
+                                                 bool detailed);
 
 std::vector<SymbolRef> FindSymbolsAtLocation(WorkingFile *working_file,
                                              QueryFile *file,
diff --git a/src/symbol.h b/src/symbol.h
index a4f3c05d..16e4de11 100644
--- a/src/symbol.h
+++ b/src/symbol.h
@@ -76,6 +76,6 @@ struct lsSymbolInformation {
   std::string_view name;
   lsSymbolKind kind;
   lsLocation location;
-  std::string_view containerName;
+  std::optional<std::string_view> containerName;
 };
 MAKE_REFLECT_STRUCT(lsSymbolInformation, name, kind, location, containerName);