diff --git a/sys/cddl/dev/kinst/amd64/kinst_isa.h b/sys/cddl/dev/kinst/amd64/kinst_isa.h
--- a/sys/cddl/dev/kinst/amd64/kinst_isa.h
+++ b/sys/cddl/dev/kinst/amd64/kinst_isa.h
@@ -18,7 +18,6 @@
  * to 16 bytes, 32 bytes is enough to cover even the worst case scenario.
  */
 #define	KINST_TRAMP_SIZE	32
-#define	KINST_TRAMPCHUNK_SIZE	PAGE_SIZE
 
 typedef uint8_t kinst_patchval_t;
 
diff --git a/sys/cddl/dev/kinst/trampoline.c b/sys/cddl/dev/kinst/trampoline.c
--- a/sys/cddl/dev/kinst/trampoline.c
+++ b/sys/cddl/dev/kinst/trampoline.c
@@ -31,6 +31,7 @@
 #define KINST_TRAMP_FILL_PATTERN	((kinst_patchval_t []){KINST_PATCHVAL})
 #define KINST_TRAMP_FILL_SIZE		sizeof(kinst_patchval_t)
 
+#define KINST_TRAMPCHUNK_SIZE		PAGE_SIZE
 #define KINST_TRAMPS_PER_CHUNK		(KINST_TRAMPCHUNK_SIZE / KINST_TRAMP_SIZE)
 
 struct trampchunk {