diff --git a/src/include/non_abi/device/pt-to-pt/utils_device.h b/src/include/non_abi/device/pt-to-pt/utils_device.h
index 8342ebe06aeed8fcd5461e0fb45b36de266f7ae5..58a2a874d63e9a716544b17c9e3c55ea2b0e7e6c 100644
--- a/src/include/non_abi/device/pt-to-pt/utils_device.h
+++ b/src/include/non_abi/device/pt-to-pt/utils_device.h
@@ -29,6 +29,8 @@
 
 #ifdef NVSHMEMI_COMM_DEVICE_UTILS_USE_PTX
 
+#if defined __CUDA_ARCH__
+
 __device__ static inline uint64_t BSWAP64(uint64_t x) {
     uint64_t ret;
     asm volatile(
@@ -83,6 +85,8 @@ __device__ static inline uint16_t BSWAP16(uint16_t x) {
     return ret;
 }
 
+#endif /*! __CUDA_ARCH__ */
+
 #else /* NVSHMEMI_COMM_DEVICE_UTILS_USE_PTX */
 
 #define BSWAP64(x)                                                               \