diff --git a/src/rt/rust_obstack.cpp b/src/rt/rust_obstack.cpp
index 81e57af1984..a3a992c2c57 100644
--- a/src/rt/rust_obstack.cpp
+++ b/src/rt/rust_obstack.cpp
@@ -3,11 +3,13 @@
 #include <algorithm>
 #include <cassert>
 #include <cstdlib>
+#include <iostream>
 #include <new>
 #include <stdint.h>
 
 #include "rust_internal.h"
 #include "rust_obstack.h"
+#include "rust_shape.h"
 #include "rust_task.h"
 
 // ISAAC, let go of max()!
@@ -15,9 +17,6 @@
 #undef max
 #endif
 
-//#define DPRINT(fmt,...)     fprintf(stderr, fmt, ##__VA_ARGS__)
-#define DPRINT(fmt,...)
-
 //const size_t DEFAULT_CHUNK_SIZE = 4096;
 const size_t DEFAULT_CHUNK_SIZE = 500000;
 const size_t DEFAULT_ALIGNMENT = 16;