diff --git a/sys/dev/mpr/mprvar.h b/sys/dev/mpr/mprvar.h
--- a/sys/dev/mpr/mprvar.h
+++ b/sys/dev/mpr/mprvar.h
@@ -913,10 +913,6 @@
 SYSCTL_DECL(_hw_mpr);
 
 /* Compatibility shims for different OS versions */
-#define mpr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
-    kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
-#define mpr_kproc_exit(arg)	kproc_exit(arg)
-
 #if defined(CAM_PRIORITY_XPT)
 #define MPR_PRIORITY_XPT	CAM_PRIORITY_XPT
 #else
diff --git a/sys/dev/mps/mpsvar.h b/sys/dev/mps/mpsvar.h
--- a/sys/dev/mps/mpsvar.h
+++ b/sys/dev/mps/mpsvar.h
@@ -831,10 +831,6 @@
 SYSCTL_DECL(_hw_mps);
 
 /* Compatibility shims for different OS versions */
-#define mps_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
-    kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
-#define mps_kproc_exit(arg)	kproc_exit(arg)
-
 #if defined(CAM_PRIORITY_XPT)
 #define MPS_PRIORITY_XPT	CAM_PRIORITY_XPT
 #else