diff --git a/scst/include/scst.h b/scst/include/scst.h
index bce713839..3fea05c8c 100644
--- a/scst/include/scst.h
+++ b/scst/include/scst.h
@@ -215,6 +215,16 @@ static inline unsigned int queue_max_hw_sectors(struct request_queue *q)
 }
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
+/*
+ * See also patch "kernel.h: add pr_warn for symmetry to dev_warn,
+ * netdev_warn" (commit fc62f2f19edf46c9bdbd1a54725b56b18c43e94f).
+ */
+#ifndef pr_warn
+#define pr_warn pr_warning
+#endif
+#endif
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37)
 /*
  * See also patch "sched: Fix softirq time accounting" (commit ID
diff --git a/scst/include/scst_debug.h b/scst/include/scst_debug.h
index 99740bf46..d5b343241 100644
--- a/scst/include/scst_debug.h
+++ b/scst/include/scst_debug.h
@@ -53,7 +53,6 @@
         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_warning(fmt, ...) \
         printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
-#define pr_warn pr_warning
 #define pr_notice(fmt, ...) \
         printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
 #endif