diff --git a/libcudacxx/test/utils/libcudacxx/test/config.py b/libcudacxx/test/utils/libcudacxx/test/config.py
index 595619ff51e..03c4673ce48 100644
--- a/libcudacxx/test/utils/libcudacxx/test/config.py
+++ b/libcudacxx/test/utils/libcudacxx/test/config.py
@@ -788,8 +788,6 @@ def configure_compile_flags(self):
         compute_archs = self.get_lit_conf("compute_archs")
         if self.cxx.type == "nvrtcc":
             self.config.available_features.add("nvrtc")
-            self.cxx.compile_flags += ["-device-int128"]
-            self.cxx.compile_flags += ["-device-float128"]
         if self.cxx.type == "nvcc":
             self.cxx.compile_flags += ["--extended-lambda"]
         real_arch_format = "-gencode=arch=compute_{0},code=sm_{0}"