diff --git a/lldb/source/Symbol/ClangASTContext.cpp b/lldb/source/Symbol/ClangASTContext.cpp
index e6435a2611741d..cf7f2caa51d2d6 100644
--- a/lldb/source/Symbol/ClangASTContext.cpp
+++ b/lldb/source/Symbol/ClangASTContext.cpp
@@ -8924,7 +8924,7 @@ void ClangASTContext::DumpFromSymbolFile(Stream &s,
 
 void ClangASTContext::DumpValue(
     lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, Stream *s,
-    lldb::Format format, const DataExtractor &data,
+    lldb::Format format, const lldb_private::DataExtractor &data,
     lldb::offset_t data_byte_offset, size_t data_byte_size,
     uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset, bool show_types,
     bool show_summary, bool verbose, uint32_t depth) {
@@ -9381,8 +9381,8 @@ static bool DumpEnumValue(const clang::QualType &qual_type, Stream *s,
 
 bool ClangASTContext::DumpTypeValue(
     lldb::opaque_compiler_type_t type, Stream *s, lldb::Format format,
-    const DataExtractor &data, lldb::offset_t byte_offset, size_t byte_size,
-    uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset,
+    const lldb_private::DataExtractor &data, lldb::offset_t byte_offset,
+    size_t byte_size, uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset,
     ExecutionContextScope *exe_scope) {
   if (!type)
     return false;