Index: lldb/include/lldb/DataFormatters/FormatCache.h
===================================================================
--- lldb/include/lldb/DataFormatters/FormatCache.h
+++ lldb/include/lldb/DataFormatters/FormatCache.h
@@ -49,9 +49,6 @@
   CacheMap m_map;
   std::recursive_mutex m_mutex;
 
-  uint64_t m_cache_hits;
-  uint64_t m_cache_misses;
-
   Entry &GetEntry(ConstString type);
 
 public:
Index: lldb/source/DataFormatters/FormatCache.cpp
===================================================================
--- lldb/source/DataFormatters/FormatCache.cpp
+++ lldb/source/DataFormatters/FormatCache.cpp
@@ -53,10 +53,6 @@
 
 FormatCache::FormatCache()
     : m_map(), m_mutex()
-#ifdef LLDB_CONFIGURATION_DEBUG
-      ,
-      m_cache_hits(0), m_cache_misses(0)
-#endif
 {
 }
 
@@ -87,15 +83,9 @@
   std::lock_guard<std::recursive_mutex> guard(m_mutex);
   auto entry = GetEntry(type);
   if (entry.IsCached<ImplSP>()) {
-#ifdef LLDB_CONFIGURATION_DEBUG
-    m_cache_hits++;
-#endif
     entry.Get(format_impl_sp);
     return true;
   }
-#ifdef LLDB_CONFIGURATION_DEBUG
-  m_cache_misses++;
-#endif
   format_impl_sp.reset();
   return false;
 }