diff --git a/source_code/MODULE_marigold_vector/internal/internal_marigold_vector.h b/source_code/MODULE_marigold_vector/internal/internal_marigold_vector.h
index d1aaeed..f7403e8 100644
--- a/source_code/MODULE_marigold_vector/internal/internal_marigold_vector.h
+++ b/source_code/MODULE_marigold_vector/internal/internal_marigold_vector.h
@@ -1,10 +1,9 @@
+#ifndef INTERNAL_MARIGOLD_VECTOR_H
+#define INTERNAL_MARIGOLD_VECTOR_H
 
-/**
- * @brief Destroy a dynamic array and free its memory.
- *
- * Frees the memory block and the array structure itself.
- * Sets owner_count to 0 before freeing.
- *
- * @param array Pointer to the dynamic_array to destroy.
- */
-void dynamic_array_destroy(dynamic_array* array);
+
+struct vector_struct* vector_initialize();
+
+void vector_free_members();
+
+#endif /* INTERNAL_MARIGOLD_VECTOR_H */
diff --git a/source_code/MODULE_marigold_vector/marigold_vector.c b/source_code/MODULE_marigold_vector/marigold_vector.c
index 3c0bf40..555736b 100644
--- a/source_code/MODULE_marigold_vector/marigold_vector.c
+++ b/source_code/MODULE_marigold_vector/marigold_vector.c
@@ -1,4 +1,5 @@
 #include "marigold_vector.h"
+#include "internal/internal_marigold_vector.h"
 
 #include <stdio.h>