diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c
--- a/sys/kern/init_main.c
+++ b/sys/kern/init_main.c
@@ -144,13 +144,6 @@
 FEATURE(invariants, "Kernel compiled with INVARIANTS, may affect performance");
 #endif
 
-/*
- * This ensures that there is at least one entry so that the sysinit_set
- * symbol is not undefined.  A sybsystem ID of SI_SUB_DUMMY is never
- * executed.
- */
-SYSINIT(placeholder, SI_SUB_DUMMY, SI_ORDER_ANY, NULL, NULL);
-
 /*
  * The sysinit linker set compiled into the kernel.  These are placed onto the
  * sysinit list by mi_startup; sysinit_add can add (e.g., from klds) additional