diff --git a/src/rt/rust_shape.cpp b/src/rt/rust_shape.cpp
index aecb9254158f..3a83f3d4c78b 100644
--- a/src/rt/rust_shape.cpp
+++ b/src/rt/rust_shape.cpp
@@ -35,24 +35,6 @@ const uint8_t CMP_LE = 2u;
 
 namespace shape {
 
-// NB: This function does not align.
-template<typename T>
-inline data_pair<T>
-bump_dp(ptr_pair &ptr) {
-    data_pair<T> data(*reinterpret_cast<T *>(ptr.fst),
-                      *reinterpret_cast<T *>(ptr.snd));
-    ptr += sizeof(T);
-    return data;
-}
-
-template<typename T>
-inline data_pair<T>
-get_dp(ptr_pair &ptr) {
-    data_pair<T> data(*reinterpret_cast<T *>(ptr.fst),
-                      *reinterpret_cast<T *>(ptr.snd));
-    return data;
-}
-
 // A shape printer, useful for debugging
 
 void
diff --git a/src/rt/rust_shape.h b/src/rt/rust_shape.h
index d0e72005a346..2f1ba6c62abd 100644
--- a/src/rt/rust_shape.h
+++ b/src/rt/rust_shape.h
@@ -665,6 +665,24 @@ public:
     }
 };
 
+// NB: This function does not align.
+template<typename T>
+inline data_pair<T>
+bump_dp(ptr_pair &ptr) {
+    data_pair<T> data(*reinterpret_cast<T *>(ptr.fst),
+                      *reinterpret_cast<T *>(ptr.snd));
+    ptr += sizeof(T);
+    return data;
+}
+
+template<typename T>
+inline data_pair<T>
+get_dp(ptr_pair &ptr) {
+    data_pair<T> data(*reinterpret_cast<T *>(ptr.fst),
+                      *reinterpret_cast<T *>(ptr.snd));
+    return data;
+}
+
 }   // end namespace shape