diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h
index 47084bc..92b16fc 100644
--- a/include/lib/aarch64/arch_helpers.h
+++ b/include/lib/aarch64/arch_helpers.h
@@ -215,11 +215,13 @@
 DEFINE_SYSOP_TYPE_FUNC(dmb, ish)
 DEFINE_SYSOP_FUNC(isb)
 
+#if !ERROR_DEPRECATED
 uint32_t get_afflvl_shift(uint32_t);
 uint32_t mpidr_mask_lower_afflvls(uint64_t, uint32_t);
 
 void __dead2 eret(uint64_t x0, uint64_t x1, uint64_t x2, uint64_t x3,
 		  uint64_t x4, uint64_t x5, uint64_t x6, uint64_t x7);
+#endif
 void __dead2 smc(uint64_t x0, uint64_t x1, uint64_t x2, uint64_t x3,
 		 uint64_t x4, uint64_t x5, uint64_t x6, uint64_t x7);
 
diff --git a/lib/aarch64/misc_helpers.S b/lib/aarch64/misc_helpers.S
index 002942e..8920f72 100644
--- a/lib/aarch64/misc_helpers.S
+++ b/lib/aarch64/misc_helpers.S
@@ -9,9 +9,11 @@
 #include <assert_macros.S>
 #include <xlat_tables_defs.h>
 
+#if !ERROR_DEPRECATED
 	.globl	get_afflvl_shift
 	.globl	mpidr_mask_lower_afflvls
 	.globl	eret
+#endif /* ERROR_DEPRECATED */
 	.globl	smc
 
 	.globl	zero_normalmem
@@ -30,6 +32,7 @@
 	.globl	enable_vfp
 #endif
 
+#if !ERROR_DEPRECATED
 func get_afflvl_shift
 	cmp	x0, #3
 	cinc	x0, x0, eq
@@ -52,7 +55,7 @@
 func eret
 	eret
 endfunc eret
-
+#endif /* ERROR_DEPRECATED */
 
 func smc
 	smc	#0