diff --git a/libbacktrace/BacktraceImpl.cpp b/libbacktrace/BacktraceImpl.cpp
index 405b042..4693600 100644
--- a/libbacktrace/BacktraceImpl.cpp
+++ b/libbacktrace/BacktraceImpl.cpp
@@ -60,24 +60,8 @@
   return impl_->Unwind(num_ignore_frames, ucontext);
 }
 
-extern "C" char* __cxa_demangle(const char* mangled, char* buf, size_t* len,
-                                int* status);
-
 std::string Backtrace::GetFunctionName(uintptr_t pc, uintptr_t* offset) {
   std::string func_name = impl_->GetFunctionNameRaw(pc, offset);
-  if (!func_name.empty()) {
-#if defined(__APPLE__)
-    // Mac OS' __cxa_demangle demangles "f" as "float"; last tested on 10.7.
-    if (func_name[0] != '_') {
-      return func_name;
-    }
-#endif
-    char* name = __cxa_demangle(func_name.c_str(), 0, 0, 0);
-    if (name) {
-      func_name = name;
-      free(name);
-    }
-  }
   return func_name;
 }