diff --git a/qla2x00t/qla_attr.c b/qla2x00t/qla_attr.c
index 35ec12e6a..f541a682b 100644
--- a/qla2x00t/qla_attr.c
+++ b/qla2x00t/qla_attr.c
@@ -14,10 +14,6 @@
 #include "qla2x_tgt.h"
 #include <linux/ctype.h>
 
-#ifndef RHEL_RELEASE_VERSION
-#define RHEL_RELEASE_VERSION(maj, min) 0
-#endif
-
 static int qla24xx_vport_disable(struct fc_vport *, bool);
 
 /* SYSFS attributes --------------------------------------------------------- */
diff --git a/qla2x00t/qla_os.c b/qla2x00t/qla_os.c
index af84e81ce..05e6e8def 100644
--- a/qla2x00t/qla_os.c
+++ b/qla2x00t/qla_os.c
@@ -22,10 +22,6 @@
 #include <scsi/scsi_transport.h>
 #include <scsi/scsi_transport_fc.h>
 
-#ifndef RHEL_RELEASE_VERSION
-#define RHEL_RELEASE_VERSION(maj, min) 0
-#endif
-
 /*
  * Driver version
  */
diff --git a/scst/include/backport.h b/scst/include/backport.h
index 0bc413b1d..c58d43b93 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -21,6 +21,9 @@
  */
 
 #include <linux/version.h>
+#ifndef RHEL_RELEASE_VERSION
+#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
+#endif
 #include <linux/bio.h>
 #include <linux/blkdev.h>	/* struct request_queue */
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 21, 0) || \
diff --git a/scst/src/scst_dlm.c b/scst/src/scst_dlm.c
index 652306189..dff421cb7 100644
--- a/scst/src/scst_dlm.c
+++ b/scst/src/scst_dlm.c
@@ -30,10 +30,6 @@
 #include "scst_pres.h"
 #include "scst_dlm.h"
 
-#ifndef RHEL_RELEASE_VERSION
-#define RHEL_RELEASE_VERSION(maj, min) 0
-#endif
-
 #if (defined(CONFIG_DLM) || defined(CONFIG_DLM_MODULE)) && \
 	!defined(CONFIG_SCST_NO_DLM)
 
diff --git a/scst_local/scst_local.c b/scst_local/scst_local.c
index fa8d1f580..97575e668 100644
--- a/scst_local/scst_local.c
+++ b/scst_local/scst_local.c
@@ -46,10 +46,6 @@ static inline u32 blk_mq_unique_tag(struct request *rq)
 #include <scst_debug.h>
 #endif
 
-#ifndef RHEL_RELEASE_VERSION
-#define RHEL_RELEASE_VERSION(maj, min) 0
-#endif
-
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25))
 #define SG_MAX_SINGLE_ALLOC	(PAGE_SIZE / sizeof(struct scatterlist))
 #endif