Index: source/Core/Module.cpp
===================================================================
--- source/Core/Module.cpp
+++ source/Core/Module.cpp
@@ -1077,8 +1077,6 @@
 }
 
 void Module::GetDescription(Stream *s, lldb::DescriptionLevel level) {
-  std::lock_guard<std::recursive_mutex> guard(m_mutex);
-
   if (level >= eDescriptionLevelFull) {
     if (m_arch.IsValid())
       s->Printf("(%s) ", m_arch.GetArchitectureName());