diff --git a/object-test/simple.c b/ds-test/simple.c
similarity index 75%
rename from object-test/simple.c
rename to ds-test/simple.c
index 59225de..d9db6e1 100644
--- a/object-test/simple.c
+++ b/ds-test/simple.c
@@ -1,4 +1,4 @@
-#include <blue/object/string.h>
+#include <blue/ds/string.h>
 
 int main(void)
 {
@@ -6,6 +6,6 @@ int main(void)
 	printf("string object = ");
 	b_object_to_string(string, b_stdout);
 	printf("\n");
-	b_release(string);
+	b_string_unref(string);
 	return 0;
 }
diff --git a/object-test/unicode-strings.c b/ds-test/unicode-strings.c
similarity index 95%
rename from object-test/unicode-strings.c
rename to ds-test/unicode-strings.c
index 2aa9e98..933792f 100644
--- a/object-test/unicode-strings.c
+++ b/ds-test/unicode-strings.c
@@ -1,5 +1,5 @@
 #include <blue/core/stringstream.h>
-#include <blue/object/string.h>
+#include <blue/ds/string.h>
 #include <stdio.h>
 #include <stdlib.h>