diff --git a/sys/mips/mips/cache.c b/sys/mips/mips/cache.c
index 3fafede83500..4e7f35ff7896 100644
--- a/sys/mips/mips/cache.c
+++ b/sys/mips/mips/cache.c
@@ -80,10 +80,12 @@ __FBSDID("$FreeBSD$");
 
 struct mips_cache_ops mips_cache_ops;
 
+#if defined(MIPS_DISABLE_L1_CACHE) || defined(CPU_RMI) || defined(CPU_NLM)
 static void
 cache_noop(vm_offset_t va, vm_size_t size)
 {
 }
+#endif
 
 void
 mips_config_cache(struct mips_cpuinfo * cpuinfo)