diff --git a/libc/src/__support/GPU/nvptx/utils.h b/libc/src/__support/GPU/nvptx/utils.h
--- a/libc/src/__support/GPU/nvptx/utils.h
+++ b/libc/src/__support/GPU/nvptx/utils.h
@@ -130,11 +130,7 @@
 
 /// Waits for all threads in the warp to reconverge for independent scheduling.
 [[clang::convergent]] LIBC_INLINE void sync_lane(uint64_t mask) {
-#if __CUDA_ARCH__ >= 700
   __nvvm_bar_warp_sync(mask);
-#else
-  (void)mask;
-#endif
 }
 
 } // namespace gpu