diff --git a/core_info.c b/core_info.c
index 371083b46c..56307864b3 100644
--- a/core_info.c
+++ b/core_info.c
@@ -463,7 +463,7 @@ bool core_info_list_get_info(core_info_list_t *core_info_list,
    return false;
 }
 
-bool core_info_does_support_any_file(const core_info_t *core,
+static bool core_info_does_support_any_file(const core_info_t *core,
       const struct string_list *list)
 {
    size_t i;
diff --git a/core_info.h b/core_info.h
index ac0130acbc..727a20cef7 100644
--- a/core_info.h
+++ b/core_info.h
@@ -90,9 +90,6 @@ typedef struct core_info_ctx_find
 
 size_t core_info_list_num_info_files(core_info_list_t *list);
 
-bool core_info_does_support_any_file(const core_info_t *info,
-      const struct string_list *list);
-
 /* Non-reentrant, does not allocate. Returns pointer to internal state. */
 void core_info_list_get_supported_cores(core_info_list_t *list,
       const char *path, const core_info_t **infos, size_t *num_infos);