1 files changed, 0 insertions, 20 deletions
diff --git a/simpleperf/OfflineUnwinder_impl.h b/simpleperf/OfflineUnwinder_impl.h
index 1a523547..01f03369 100644
--- a/simpleperf/OfflineUnwinder_impl.h
+++ b/simpleperf/OfflineUnwinder_impl.h
@@ -17,7 +17,6 @@
 #pragma once
 
 #include <unwindstack/Maps.h>
-#include <unwindstack/Regs.h>
 
 #include "thread_tree.h"
 
@@ -32,23 +31,4 @@ class UnwindMaps : public unwindstack::Maps {
   std::vector<const MapEntry*> entries_;
 };
 
-class OfflineUnwinderImpl : public OfflineUnwinder {
- public:
-  OfflineUnwinderImpl(bool collect_stat) : collect_stat_(collect_stat) {
-    unwindstack::Elf::SetCachingEnabled(true);
-  }
-
-  bool UnwindCallChain(const ThreadEntry& thread, const RegSet& regs, const char* stack,
-                       size_t stack_size, std::vector<uint64_t>* ips,
-                       std::vector<uint64_t>* sps) override;
-
-  void LoadMetaInfo(const std::unordered_map<std::string, std::string>& info_map) override;
-  unwindstack::Regs* GetBacktraceRegs(const RegSet& regs);
-
- private:
-  bool collect_stat_;
-  std::unordered_map<pid_t, UnwindMaps> cached_maps_;
-  uint64_t arm64_pac_mask_ = 0;
-};
-
 }  // namespace simpleperf