diff --git a/subsys/settings/src/settings_fcb.c b/subsys/settings/src/settings_fcb.c
index 78a166d07a7..d152e332e7d 100644
--- a/subsys/settings/src/settings_fcb.c
+++ b/subsys/settings/src/settings_fcb.c
@@ -26,7 +26,6 @@ LOG_MODULE_DECLARE(settings, CONFIG_SETTINGS_LOG_LEVEL);
 #define SETTINGS_FCB_VERS		1
 
 int settings_backend_init(void);
-void settings_mount_fcb_backend(struct settings_fcb *cf);
 
 static int settings_fcb_load(struct settings_store *cs,
 			     const struct settings_load_arg *arg);
diff --git a/subsys/settings/src/settings_file.c b/subsys/settings/src/settings_file.c
index 99a27a07b8a..5f8be73cf74 100644
--- a/subsys/settings/src/settings_file.c
+++ b/subsys/settings/src/settings_file.c
@@ -28,7 +28,6 @@ LOG_MODULE_DECLARE(settings, CONFIG_SETTINGS_LOG_LEVEL);
 #endif
 
 int settings_backend_init(void);
-void settings_mount_file_backend(struct settings_file *cf);
 
 static int settings_file_load(struct settings_store *cs,
 			      const struct settings_load_arg *arg);