diff --git a/src/connectivity/mod.rs b/src/connectivity/mod.rs
index a22e4036b..ebb3bba33 100644
--- a/src/connectivity/mod.rs
+++ b/src/connectivity/mod.rs
@@ -115,7 +115,7 @@ pub fn strongly_connected_components(graph: &digraph::PyDiGraph) -> Vec<Vec<usiz
         .collect()
 }
 
-pub fn condensation_inner<'a, N, E, Ty, Ix>(
+fn condensation_inner<'a, N, E, Ty, Ix>(
     py: &'a Python,
     g: Graph<N, E, Ty, Ix>,
     make_acyclic: bool,