diff --git a/crates/collab/src/tests/randomized_integration_tests.rs b/crates/collab/src/tests/randomized_integration_tests.rs
index 34ae96e66563b5815178aeaf8c93de015934f59f..cd51a2e1f8196ed140c9c96fd841f22cf09aebcf 100644
--- a/crates/collab/src/tests/randomized_integration_tests.rs
+++ b/crates/collab/src/tests/randomized_integration_tests.rs
@@ -597,6 +597,7 @@ async fn apply_client_operation(
                 .unwrap();
             cx.update(|_| {
                 client.remote_projects_mut().remove(ix);
+                client.buffers().retain(|project, _| project != project);
                 drop(project);
             });
         }