diff --git a/contrib/libcxxrt/unwind-itanium.h b/contrib/libcxxrt/unwind-itanium.h
index 16b3eed6d700..a5c0e755ad09 100644
--- a/contrib/libcxxrt/unwind-itanium.h
+++ b/contrib/libcxxrt/unwind-itanium.h
@@ -80,7 +80,7 @@ struct _Unwind_Exception
     _Unwind_Exception_Cleanup_Fn exception_cleanup;
     unsigned long private_1;
     unsigned long private_2;
-  } __attribute__((__aligned__));
+  };
 
 extern _Unwind_Reason_Code _Unwind_RaiseException (struct _Unwind_Exception *);
 extern _Unwind_Reason_Code _Unwind_ForcedUnwind (struct _Unwind_Exception *,