1 files changed, 0 insertions, 20 deletions
diff --git a/lib/fuzzer/FuzzerTracePC.h b/lib/fuzzer/FuzzerTracePC.h
index 39f97acdb..46d6c2488 100644
--- a/lib/fuzzer/FuzzerTracePC.h
+++ b/lib/fuzzer/FuzzerTracePC.h
@@ -74,11 +74,6 @@ class TracePC {
   // How many bits of PC are used from __sanitizer_cov_trace_pc.
   static const size_t kTracePcBits = 18;
 
-  enum HandleUnstableOptions {
-    MinUnstable = 1,
-    ZeroUnstable = 2,
-  };
-
   void HandleInit(uint32_t *Start, uint32_t *Stop);
   void HandleInline8bitCountersInit(uint8_t *Start, uint8_t *Stop);
   void HandlePCsInit(const uintptr_t *Start, const uintptr_t *Stop);
@@ -109,7 +104,6 @@ class TracePC {
 
   void PrintCoverage();
   void DumpCoverage();
-  void PrintUnstableStats();
 
   template<class CallBack>
   void IterateCoveredFunctions(CallBack CB);
@@ -142,18 +136,7 @@ class TracePC {
   void SetFocusFunction(const std::string &FuncName);
   bool ObservedFocusFunction();
 
-  void InitializeUnstableCounters();
-  bool UpdateUnstableCounters(int UnstableMode);
-  void UpdateAndApplyUnstableCounters(int UnstableMode);
-
 private:
-  struct UnstableEdge {
-    uint8_t Counter;
-    bool IsUnstable;
-  };
-
-  UnstableEdge UnstableCounters[kNumPCs];
-
   bool UseCounters = false;
   uint32_t UseValueProfileMask = false;
   bool DoPrintNewPCs = false;
@@ -185,9 +168,6 @@ private:
   Set<uintptr_t> ObservedPCs;
   std::unordered_map<uintptr_t, uintptr_t> ObservedFuncs;  // PC => Counter.
 
-  template <class Callback>
-  void IterateInline8bitCounters(Callback CB) const;
-
   std::pair<size_t, size_t> FocusFunction = {-1, -1};  // Module and PC IDs.
 
   ValueBitMap ValueProfileMap;