diff --git a/content/fs_backing_store.c b/content/fs_backing_store.c
index aff1534ff..a145c6fe1 100644
--- a/content/fs_backing_store.c
+++ b/content/fs_backing_store.c
@@ -88,14 +88,6 @@
 /** length in bytes of a block files use map */
 #define BLOCK_USE_MAP_SIZE (1 << (BLOCK_ENTRY_COUNT - 3))
 
-/**
- * The type used to store index values referring to store entries. Care
- * must be taken with this type as it is used to build address to
- * entry mapping so changing the size will have large impacts on
- * memory usage.
- */
-typedef uint16_t entry_index_t;
-
 /**
  * The type used as a binary identifier for each entry derived from
  * the URL. A larger identifier will have fewer collisions but