diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h b/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h
index 0350fe84b045b3..15616f899d01ec 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h
@@ -67,8 +67,6 @@ struct StackTrace {
   static uptr GetCurrentPc();
   static inline uptr GetPreviousInstructionPc(uptr pc);
   static uptr GetNextInstructionPc(uptr pc);
-  typedef bool (*SymbolizeCallback)(const void *pc, char *out_buffer,
-                                    int out_size);
 };
 
 // Performance-critical, must be in the header.