diff --git a/stacktrace.c b/stacktrace.c
index 1e79bfa..bbe4358 100644
--- a/stacktrace.c
+++ b/stacktrace.c
@@ -38,13 +38,7 @@
     intptr_t* addrs;
 } stack_crawl_state_t;
 
-
-/* depends how the system includes define this */
-#ifdef HAVE_UNWIND_CONTEXT_STRUCT
 typedef struct _Unwind_Context __unwind_context;
-#else
-typedef _Unwind_Context __unwind_context;
-#endif
 
 static _Unwind_Reason_Code trace_function(__unwind_context *context, void *arg)
 {