diff --git a/scst/src/dev_handlers/scst_vdisk.c b/scst/src/dev_handlers/scst_vdisk.c
index 7858214c7..f550b351a 100644
--- a/scst/src/dev_handlers/scst_vdisk.c
+++ b/scst/src/dev_handlers/scst_vdisk.c
@@ -27,7 +27,6 @@
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/unistd.h>
-#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <linux/init.h>
 #include <linux/uio.h>
diff --git a/scst/src/scst_pres.c b/scst/src/scst_pres.c
index b6a9db7f0..f0b0f0495 100644
--- a/scst/src/scst_pres.c
+++ b/scst/src/scst_pres.c
@@ -23,7 +23,6 @@
 #include <linux/spinlock.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
-#include <linux/smp_lock.h>
 #include <linux/unistd.h>
 #include <linux/string.h>
 #include <linux/kthread.h>
diff --git a/scst/src/scst_targ.c b/scst/src/scst_targ.c
index df25f2c20..bcbb7bea5 100644
--- a/scst/src/scst_targ.c
+++ b/scst/src/scst_targ.c
@@ -24,7 +24,6 @@
 #include <linux/spinlock.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
-#include <linux/smp_lock.h>
 #include <linux/unistd.h>
 #include <linux/string.h>
 #include <linux/kthread.h>