diff --git a/pyrs/Cargo.toml b/pyrs/Cargo.toml
index 7f113b24..0008e1ce 100644
--- a/pyrs/Cargo.toml
+++ b/pyrs/Cargo.toml
@@ -18,4 +18,3 @@ tket-json-rs = { git = "https://github.com/CQCL/tket-json-rs", rev="619db15d3",
 quantinuum-hugr = { workspace = true }
 portgraph = { workspace = true, features = ["pyo3"] }
 pyo3 = { workspace = true, features = ["extension-module"] }
-itertools.workspace = true