diff --git a/libunwind/src/config.h b/libunwind/src/config.h
--- a/libunwind/src/config.h
+++ b/libunwind/src/config.h
@@ -122,8 +122,7 @@
 #else
 #define _LIBUNWIND_ABORT(msg)                                                  \
   do {                                                                         \
-    fprintf(stderr, "libunwind: %s %s:%d - %s\n", __func__, __FILE__,          \
-            __LINE__, msg);                                                    \
+    fprintf(stderr, "libunwind: %s - %s\n", __func__, msg);                    \
     fflush(stderr);                                                            \
     abort();                                                                   \
   } while (0)