diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
index 1540bdbea6ab..2b51be84752a 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -2385,10 +2385,10 @@ Function *DWARFASTParserClang::ParseFunctionFromDWARF(CompileUnit &comp_unit,
 
 void DWARFASTParserClang::ParseSingleMember(
     const DWARFDIE &die, const DWARFDIE &parent_die,
-    lldb_private::CompilerType &class_clang_type,
+    const lldb_private::CompilerType &class_clang_type,
     const lldb::LanguageType class_language,
     std::vector<int> &member_accessibilities,
-    lldb::AccessType &default_accessibility,
+    lldb::AccessType default_accessibility,
     DelayedPropertyList &delayed_properties,
     lldb_private::ClangASTImporter::LayoutInfo &layout_info,
     FieldInfo &last_field_info) {
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
index 020d29d65eae..71d978536f8f 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
@@ -194,10 +194,10 @@ private:
 
   void
   ParseSingleMember(const DWARFDIE &die, const DWARFDIE &parent_die,
-                    lldb_private::CompilerType &class_clang_type,
+                    const lldb_private::CompilerType &class_clang_type,
                     const lldb::LanguageType class_language,
                     std::vector<int> &member_accessibilities,
-                    lldb::AccessType &default_accessibility,
+                    lldb::AccessType default_accessibility,
                     DelayedPropertyList &delayed_properties,
                     lldb_private::ClangASTImporter::LayoutInfo &layout_info,
                     FieldInfo &last_field_info);