diff --git a/src/common/errors.rs b/src/common/errors.rs
index 44bc7fd215c7133ab2fca3d8ede2cf2ff5e3b482..899aa3ef4bd3e20a7eb782ba43271c3218f3106e 100644
--- a/src/common/errors.rs
+++ b/src/common/errors.rs
@@ -1,7 +1,3 @@
-#[derive(Fail, Debug)]
-#[fail(display = "Supplied an invalid index")]
-pub struct IndexOutOfBoundsError;
-
 #[derive(Fail, Debug, PartialEq)]
 #[fail(display = "The supplied bitvector is not valid for this tree.")]
 pub struct InvalidBitvecError;