diff --git a/builtin/replace.c b/builtin/replace.c
index 83d3235..9f01f3f 100644
--- a/builtin/replace.c
+++ b/builtin/replace.c
@@ -56,8 +56,8 @@ static int show_reference(const char *refname, const struct object_id *oid,
 			obj_type = sha1_object_info(object.hash, NULL);
 			repl_type = sha1_object_info(oid->hash, NULL);
 
-			printf("%s (%s) -> %s (%s)\n", refname, typename(obj_type),
-			       oid_to_hex(oid), typename(repl_type));
+			printf("%s (%s) -> %s (%s)\n", refname, type_name(obj_type),
+			       oid_to_hex(oid), type_name(repl_type));
 		}
 	}
 
@@ -168,8 +168,8 @@ static int replace_object_oid(const char *object_ref,
 		die("Objects must be of the same type.\n"
 		    "'%s' points to a replaced object of type '%s'\n"
 		    "while '%s' points to a replacement object of type '%s'.",
-		    object_ref, typename(obj_type),
-		    replace_ref, typename(repl_type));
+		    object_ref, type_name(obj_type),
+		    replace_ref, type_name(repl_type));
 
 	check_ref_valid(object, &prev, &ref, force);
 
@@ -215,7 +215,7 @@ static void export_object(const struct object_id *oid, enum object_type type,
 	argv_array_push(&cmd.args, "--no-replace-objects");
 	argv_array_push(&cmd.args, "cat-file");
 	if (raw)
-		argv_array_push(&cmd.args, typename(type));
+		argv_array_push(&cmd.args, type_name(type));
 	else
 		argv_array_push(&cmd.args, "-p");
 	argv_array_push(&cmd.args, oid_to_hex(oid));
@@ -284,30 +284,30 @@ static int edit_and_replace(const char *object_ref, int force, int raw)
 {
 	char *tmpfile = git_pathdup("REPLACE_EDITOBJ");
 	enum object_type type;
-	struct object_id old, new, prev;
+	struct object_id old_oid, new_oid, prev;
 	struct strbuf ref = STRBUF_INIT;
 
-	if (get_oid(object_ref, &old) < 0)
+	if (get_oid(object_ref, &old_oid) < 0)
 		die("Not a valid object name: '%s'", object_ref);
 
-	type = sha1_object_info(old.hash, NULL);
+	type = sha1_object_info(old_oid.hash, NULL);
 	if (type < 0)
-		die("unable to get object type for %s", oid_to_hex(&old));
+		die("unable to get object type for %s", oid_to_hex(&old_oid));
 
-	check_ref_valid(&old, &prev, &ref, force);
+	check_ref_valid(&old_oid, &prev, &ref, force);
 	strbuf_release(&ref);
 
-	export_object(&old, type, raw, tmpfile);
+	export_object(&old_oid, type, raw, tmpfile);
 	if (launch_editor(tmpfile, NULL, NULL) < 0)
 		die("editing object file failed");
-	import_object(&new, type, raw, tmpfile);
+	import_object(&new_oid, type, raw, tmpfile);
 
 	free(tmpfile);
 
-	if (!oidcmp(&old, &new))
-		return error("new object is the same as the old one: '%s'", oid_to_hex(&old));
+	if (!oidcmp(&old_oid, &new_oid))
+		return error("new object is the same as the old one: '%s'", oid_to_hex(&old_oid));
 
-	return replace_object_oid(object_ref, &old, "replacement", &new, force);
+	return replace_object_oid(object_ref, &old_oid, "replacement", &new_oid, force);
 }
 
 static void replace_parents(struct strbuf *buf, int argc, const char **argv)
@@ -355,7 +355,7 @@ static void check_one_mergetag(struct commit *commit,
 	struct tag *tag;
 	int i;
 
-	hash_object_file(extra->value, extra->len, typename(OBJ_TAG), &tag_oid);
+	hash_object_file(extra->value, extra->len, type_name(OBJ_TAG), &tag_oid);
 	tag = lookup_tag(&tag_oid);
 	if (!tag)
 		die(_("bad mergetag in commit '%s'"), ref);
@@ -386,16 +386,16 @@ static void check_mergetags(struct commit *commit, int argc, const char **argv)
 
 static int create_graft(int argc, const char **argv, int force)
 {
-	struct object_id old, new;
+	struct object_id old_oid, new_oid;
 	const char *old_ref = argv[0];
 	struct commit *commit;
 	struct strbuf buf = STRBUF_INIT;
 	const char *buffer;
 	unsigned long size;
 
-	if (get_oid(old_ref, &old) < 0)
+	if (get_oid(old_ref, &old_oid) < 0)
 		die(_("Not a valid object name: '%s'"), old_ref);
-	commit = lookup_commit_or_die(&old, old_ref);
+	commit = lookup_commit_or_die(&old_oid, old_ref);
 
 	buffer = get_commit_buffer(commit, &size);
 	strbuf_add(&buf, buffer, size);
@@ -410,15 +410,15 @@ static int create_graft(int argc, const char **argv, int force)
 
 	check_mergetags(commit, argc, argv);
 
-	if (write_object_file(buf.buf, buf.len, commit_type, &new))
+	if (write_object_file(buf.buf, buf.len, commit_type, &new_oid))
 		die(_("could not write replacement commit for: '%s'"), old_ref);
 
 	strbuf_release(&buf);
 
-	if (!oidcmp(&old, &new))
-		return error("new commit is the same as the old one: '%s'", oid_to_hex(&old));
+	if (!oidcmp(&old_oid, &new_oid))
+		return error("new commit is the same as the old one: '%s'", oid_to_hex(&old_oid));
 
-	return replace_object_oid(old_ref, &old, "replacement", &new, force);
+	return replace_object_oid(old_ref, &old_oid, "replacement", &new_oid, force);
 }
 
 int cmd_replace(int argc, const char **argv, const char *prefix)