diff --git a/hugr-passes/src/call_graph.rs b/hugr-core/src/call_graph.rs
similarity index 98%
rename from hugr-passes/src/call_graph.rs
rename to hugr-core/src/call_graph.rs
index 7baf8530dd..1996be3d16 100644
--- a/hugr-passes/src/call_graph.rs
+++ b/hugr-core/src/call_graph.rs
@@ -1,9 +1,10 @@
 //! Data structure for call graphs of a Hugr
 use std::collections::HashMap;
 
-use hugr_core::{HugrView, Node, core::HugrNode, ops::OpType};
 use petgraph::Graph;
 
+use crate::{HugrView, Node, core::HugrNode, ops::OpType};
+
 /// Weight for an edge in a [`CallGraph`]
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum CallGraphEdge<N = Node> {
diff --git a/hugr-core/src/lib.rs b/hugr-core/src/lib.rs
index 862b8dee8a..1a471a822e 100644
--- a/hugr-core/src/lib.rs
+++ b/hugr-core/src/lib.rs
@@ -10,6 +10,7 @@
 #![cfg_attr(coverage_nightly, feature(coverage_attribute))]
 
 pub mod builder;
+pub mod call_graph;
 pub mod core;
 pub mod envelope;
 pub mod export;
diff --git a/hugr-passes/src/lib.rs b/hugr-passes/src/lib.rs
index 6e97f3422e..4d3e2e4f89 100644
--- a/hugr-passes/src/lib.rs
+++ b/hugr-passes/src/lib.rs
@@ -1,6 +1,7 @@
 //! Compilation passes acting on the HUGR program representation.
 
-pub mod call_graph;
+#[deprecated(note = "Re-exported from hugr-core", since = "0.22.3")]
+pub use hugr_core::call_graph;
 pub mod composable;
 pub use composable::ComposablePass;
 pub mod const_fold;