diff --git a/sha1-lookup.h b/sha1-lookup.h
index 20af285681..cf5314f402 100644
--- a/sha1-lookup.h
+++ b/sha1-lookup.h
@@ -7,10 +7,4 @@ extern int sha1_pos(const unsigned char *sha1,
 		    void *table,
 		    size_t nr,
 		    sha1_access_fn fn);
-
-extern int sha1_entry_pos(const void *table,
-			  size_t elem_size,
-			  size_t key_offset,
-			  unsigned lo, unsigned hi, unsigned nr,
-			  const unsigned char *key);
 #endif