diff --git a/lldb/include/lldb/DataFormatters/FormatManager.h b/lldb/include/lldb/DataFormatters/FormatManager.h
--- a/lldb/include/lldb/DataFormatters/FormatManager.h
+++ b/lldb/include/lldb/DataFormatters/FormatManager.h
@@ -189,9 +189,6 @@
   GetCandidateLanguages(lldb::LanguageType lang_type);
 
 private:
-  static std::vector<lldb::LanguageType>
-  GetCandidateLanguages(ValueObject &valobj);
-
   static void GetPossibleMatches(ValueObject &valobj,
                                  CompilerType compiler_type, uint32_t reason,
                                  lldb::DynamicValueType use_dynamic,
diff --git a/lldb/source/DataFormatters/FormatClasses.cpp b/lldb/source/DataFormatters/FormatClasses.cpp
--- a/lldb/source/DataFormatters/FormatClasses.cpp
+++ b/lldb/source/DataFormatters/FormatClasses.cpp
@@ -24,7 +24,8 @@
       m_formatters_match_vector({}, false), m_type_for_cache(),
       m_candidate_languages() {
   m_type_for_cache = FormatManager::GetTypeForCache(valobj, use_dynamic);
-  m_candidate_languages = FormatManager::GetCandidateLanguages(valobj);
+  m_candidate_languages =
+      FormatManager::GetCandidateLanguages(valobj.GetObjectRuntimeLanguage());
 }
 
 FormattersMatchVector FormattersMatchData::GetMatchesVector() {
diff --git a/lldb/source/DataFormatters/FormatManager.cpp b/lldb/source/DataFormatters/FormatManager.cpp
--- a/lldb/source/DataFormatters/FormatManager.cpp
+++ b/lldb/source/DataFormatters/FormatManager.cpp
@@ -238,7 +238,8 @@
     }
   }
 
-  for (lldb::LanguageType language_type : GetCandidateLanguages(valobj)) {
+  for (lldb::LanguageType language_type :
+       GetCandidateLanguages(valobj.GetObjectRuntimeLanguage())) {
     if (Language *language = Language::FindPlugin(language_type)) {
       for (ConstString candidate :
            language->GetPossibleFormattersMatches(valobj, use_dynamic)) {
@@ -579,8 +580,7 @@
 }
 
 std::vector<lldb::LanguageType>
-FormatManager::GetCandidateLanguages(ValueObject &valobj) {
-  lldb::LanguageType lang_type = valobj.GetObjectRuntimeLanguage();
+FormatManager::GetCandidateLanguages(lldb::LanguageType lang_type) {
   switch (lang_type) {
   case lldb::eLanguageTypeC:
   case lldb::eLanguageTypeC89: