diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c
index 736293c..f01804b 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
@@ -182,7 +182,7 @@
 	printf("Corenet Platform Cache: %d KB enabled\n", size);
 }
 
-void invalidate_cpc(void)
+static void invalidate_cpc(void)
 {
 	int i;
 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
diff --git a/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c b/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c
index e6b1b1b..7f466ac 100644
--- a/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c
@@ -489,7 +489,7 @@
 }
 
 
-void __soc_serdes_init(void)
+static void __soc_serdes_init(void)
 {
 	/* Allow for SoC-specific initialization in <SOC>_serdes.c  */
 };