diff --git a/backend/reconcile/src/errors.rs b/backend/reconcile/src/errors.rs
index bb9ffb8..0a43c8e 100644
--- a/backend/reconcile/src/errors.rs
+++ b/backend/reconcile/src/errors.rs
@@ -2,9 +2,6 @@ use thiserror::Error;
 
 #[derive(Error, Debug)]
 pub enum SyncLibError {
-    #[error("Failed to shift the operation's index {0}")]
-    NegativeOperationIndexError(String),
-
     #[error("Failed to apply operation because {0}")]
     OperationApplicationError(String),
 }