diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
index a1c5c7c..d134905 100644
--- a/arch/sandbox/cpu/cpu.c
+++ b/arch/sandbox/cpu/cpu.c
@@ -286,6 +286,14 @@
 	enable_pci_map = enable;
 }
 
+void dcache_enable(void)
+{
+}
+
+void dcache_disable(void)
+{
+}
+
 int dcache_status(void)
 {
 	return 1;