diff --git a/src/tests/kits/storage/StatableTest.h b/src/tests/kits/storage/StatableTest.h
index 59589ac0f0..faa02a9ac3 100644
--- a/src/tests/kits/storage/StatableTest.h
+++ b/src/tests/kits/storage/StatableTest.h
@@ -11,6 +11,10 @@
 
 #include "BasicTest.h"
 
+class BStatable;
+class BEntry;
+class BNode;
+
 // TestEntries
 
 template <typename C>