diff --git a/LibOS/shim/include/shim_types.h b/LibOS/shim/include/shim_types.h
index 2547c30c..2c3814e9 100644
--- a/LibOS/shim/include/shim_types.h
+++ b/LibOS/shim/include/shim_types.h
@@ -56,7 +56,9 @@ struct __kernel_timespec {
     __kernel_time_t tv_sec;         /* seconds */
     long            tv_nsec;        /* nanoseconds */
 };
+#endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 19, 0)
 struct __kernel_itimerspec {
     struct __kernel_timespec it_interval;    /* timer period */
     struct __kernel_timespec it_value;       /* timer expiration */