diff --git a/source/modules/water/water.files.cpp b/source/modules/water/water.files.cpp
index da9a1755f..ce67fc4b9 100644
--- a/source/modules/water/water.files.cpp
+++ b/source/modules/water/water.files.cpp
@@ -41,3 +41,16 @@ HINSTANCE water_getCurrentModuleInstanceHandle() noexcept
 #include "text/CharacterFunctions.cpp"
 #include "text/StringArray.cpp"
 #include "text/String.cpp"
+
+#ifdef DEBUG
+# include "files/DirectoryIterator.cpp"
+# include "files/FileInputStream.cpp"
+# include "files/FileOutputStream.cpp"
+# include "files/TemporaryFile.cpp"
+# include "maths/Random.cpp"
+# include "memory/MemoryBlock.cpp"
+# include "misc/Time.cpp"
+# include "streams/InputStream.cpp"
+# include "streams/MemoryOutputStream.cpp"
+# include "streams/OutputStream.cpp"
+#endif