Index: include/llvm/Support/Timer.h
===================================================================
--- include/llvm/Support/Timer.h
+++ include/llvm/Support/Timer.h
@@ -155,8 +155,6 @@
 /// is primarily used for debugging and for hunting performance problems.
 ///
 struct NamedRegionTimer : public TimeRegion {
-  explicit NamedRegionTimer(StringRef Name,
-                            bool Enabled = true);
   explicit NamedRegionTimer(StringRef Name, StringRef GroupName,
                             bool Enabled = true);
 };
Index: lib/Support/Timer.cpp
===================================================================
--- lib/Support/Timer.cpp
+++ lib/Support/Timer.cpp
@@ -210,22 +210,8 @@
 
 }
 
-static ManagedStatic<Name2TimerMap> NamedTimers;
 static ManagedStatic<Name2PairMap> NamedGroupedTimers;
 
-static Timer &getNamedRegionTimer(StringRef Name) {
-  sys::SmartScopedLock<true> L(*TimerLock);
-
-  Timer &T = (*NamedTimers)[Name];
-  if (!T.isInitialized())
-    T.init(Name);
-  return T;
-}
-
-NamedRegionTimer::NamedRegionTimer(StringRef Name,
-                                   bool Enabled)
-  : TimeRegion(!Enabled ? nullptr : &getNamedRegionTimer(Name)) {}
-
 NamedRegionTimer::NamedRegionTimer(StringRef Name, StringRef GroupName,
                                    bool Enabled)
   : TimeRegion(!Enabled ? nullptr : &NamedGroupedTimers->get(Name, GroupName)){}
Index: lib/Target/Hexagon/HexagonGenInsert.cpp
===================================================================
--- lib/Target/Hexagon/HexagonGenInsert.cpp
+++ lib/Target/Hexagon/HexagonGenInsert.cpp
@@ -1474,8 +1474,6 @@
 
   bool Timing = OptTiming, TimingDetail = Timing && OptTimingDetail;
   bool Changed = false;
-  TimerGroup __G("hexinsert");
-  NamedRegionTimer __T("hexinsert", Timing && !TimingDetail);
 
   // Sanity check: one, but not both.
   assert(!OptSelectAll0 || !OptSelectHas0);