diff --git a/src/image.c b/src/image.c
index 8900320..792f9c1 100644
--- a/src/image.c
+++ b/src/image.c
@@ -600,22 +600,6 @@ const struct ec3_extent_info *ec3_image_ioctx_get_extent_info(
 	return b_buffer_ptr(image->io_extent_table);
 }
 
-enum ec3_status ec3_image_ioctx_open_string_table(
-	struct ec3_image_ioctx *image,
-	enum ec3_image_ioctx_mode mode,
-	struct string_table **out)
-{
-	return EC3_ERR_NOT_SUPPORTED;
-}
-
-enum ec3_status ec3_image_ioctx_open_chunk_table(
-	struct ec3_image_ioctx *image,
-	enum ec3_image_ioctx_mode mode,
-	struct chunk_table **out)
-{
-	return EC3_ERR_NOT_SUPPORTED;
-}
-
 static uint64_t allocate_tag_id(struct ec3_image_ioctx *image)
 {
 	uint64_t id = 0;