1 files changed, 0 insertions, 14 deletions
diff --git a/Source/cmDefinitions.cxx b/Source/cmDefinitions.cxx
index 69a64276bc..4a4f87d8b2 100644
--- a/Source/cmDefinitions.cxx
+++ b/Source/cmDefinitions.cxx
@@ -19,7 +19,6 @@ cmDefinitions::Def const& cmDefinitions::GetInternal(const std::string& key,
   {
     auto it = begin->Map.find(cm::String::borrow(key));
     if (it != begin->Map.end()) {
-      it->second.Used = true;
       return it->second;
     }
   }
@@ -108,16 +107,3 @@ void cmDefinitions::Unset(const std::string& key)
 {
   this->Map[key] = Def();
 }
-
-std::vector<std::string> cmDefinitions::UnusedKeys() const
-{
-  std::vector<std::string> keys;
-  keys.reserve(this->Map.size());
-  // Consider local definitions.
-  for (auto const& mi : this->Map) {
-    if (!mi.second.Used) {
-      keys.push_back(*mi.first.str_if_stable());
-    }
-  }
-  return keys;
-}