diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index 828d43a..a43e13c 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -285,10 +285,14 @@
 bool arm_io_is_toc_valid(void);
 
 /* Utility functions for Dynamic Config */
-void arm_bl2_dyn_cfg_init(void);
+
 void arm_bl1_set_mbedtls_heap(void);
 int arm_get_mbedtls_heap(void **heap_addr, size_t *heap_size);
 
+#if IMAGE_BL2
+void arm_bl2_dyn_cfg_init(void);
+#endif /* IMAGE_BL2 */
+
 #if MEASURED_BOOT
 #if DICE_PROTECTION_ENVIRONMENT
 int arm_set_nt_fw_info(int *ctx_handle);