diff --git a/lldb/source/Core/Debugger.cpp b/lldb/source/Core/Debugger.cpp
index 51a4aaa08add..e596fc23b508 100644
--- a/lldb/source/Core/Debugger.cpp
+++ b/lldb/source/Core/Debugger.cpp
@@ -1089,6 +1089,7 @@ Debugger::FindDebuggerWithID (lldb::user_id_t id)
     return debugger_sp;
 }
 
+#if 0
 static void
 TestPromptFormats (StackFrame *frame)
 {
@@ -1149,6 +1150,7 @@ TestPromptFormats (StackFrame *frame)
         printf ("what we got: %s\n", s.GetData());
     }
 }
+#endif
 
 static bool
 ScanFormatDescriptor (const char* var_name_begin,